Puppy Weight Calculator Goldendoodle

Goldendoodle Puppy Weight Calculator – Predict Adult Size :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –card-bg: #fff; –shadow: 0 2px 4px rgba(0,0,0,.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); line-height: 1.6; margin: 0; padding: 0; display: flex; flex-direction: column; align-items: center; } .container { width: 100%; max-width: 960px; margin: 20px auto; padding: 20px; background-color: var(–card-bg); border-radius: 8px; box-shadow: var(–shadow); } header { background-color: var(–primary-color); color: white; padding: 20px 0; text-align: center; width: 100%; } header h1 { margin: 0; font-size: 2.5em; } main { padding: 20px 0; } h2, h3 { color: var(–primary-color); margin-top: 1.5em; margin-bottom: 0.5em; } .input-group { margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid var(–border-color); } .input-group:last-child { border-bottom: none; } .input-group label { display: block; margin-bottom: 8px; font-weight: bold; } .input-group input[type="number"], .input-group select { width: calc(100% – 16px); padding: 10px; border: 1px solid var(–border-color); border-radius: 4px; font-size: 1em; margin-bottom: 5px; } .input-group small { color: #6c757d; font-size: 0.9em; } .error-message { color: red; font-size: 0.9em; margin-top: 5px; display: none; /* Hidden by default */ } .button-group { display: flex; gap: 10px; margin-top: 25px; flex-wrap: wrap; } .button-group button { padding: 12px 20px; border: none; border-radius: 5px; cursor: pointer; font-size: 1em; font-weight: bold; transition: background-color 0.3s ease; } .calculate-button { background-color: var(–primary-color); color: white; } .calculate-button:hover { background-color: #003366; } .reset-button { background-color: #6c757d; color: white; } .reset-button:hover { background-color: #5a6268; } .copy-button { background-color: #ffc107; color: #212529; } .copy-button:hover { background-color: #e0a800; } #results { background-color: var(–primary-color); color: white; padding: 25px; border-radius: 8px; margin-top: 30px; text-align: center; box-shadow: inset 0 2px 4px rgba(0,0,0,.2); } #results h3 { color: white; margin-top: 0; margin-bottom: 15px; font-size: 1.8em; } .result-item { font-size: 1.1em; margin-bottom: 10px; } .result-item strong { font-size: 1.4em; display: block; margin-top: 5px; color: #ffc107; } .result-item.main-result strong { font-size: 2.2em; color: var(–success-color); } .formula-explanation { font-size: 0.9em; margin-top: 15px; opacity: 0.8; } table { width: 100%; border-collapse: collapse; margin-top: 25px; margin-bottom: 25px; } th, td { border: 1px solid var(–border-color); padding: 10px; text-align: left; } th { background-color: var(–primary-color); color: white; } caption { font-size: 1.1em; margin-bottom: 10px; font-weight: bold; color: var(–primary-color); caption-side: top; text-align: left; } .chart-container { width: 100%; max-width: 100%; margin: 25px auto; text-align: center; background-color: var(–card-bg); padding: 20px; border-radius: 8px; box-shadow: var(–shadow); } canvas { display: block; margin: 0 auto; max-width: 100%; height: auto !important; /* Ensures canvas scales properly */ } .article-content { margin-top: 40px; padding: 30px; background-color: var(–card-bg); border-radius: 8px; box-shadow: var(–shadow); } .article-content h2 { font-size: 2em; margin-top: 1.2em; } .article-content h3 { font-size: 1.5em; margin-top: 1em; } .article-content p { margin-bottom: 1.2em; } .article-content ul, .article-content ol { margin-left: 20px; margin-bottom: 1.2em; } .article-content li { margin-bottom: 0.5em; } .faq-item { margin-bottom: 15px; } .faq-item strong { display: block; color: var(–primary-color); cursor: pointer; font-size: 1.1em; } .faq-item p { margin-top: 5px; margin-left: 15px; display: none; /* Hidden by default */ } .internal-links ul { list-style: none; padding: 0; } .internal-links li { margin-bottom: 10px; } .internal-links a { color: var(–primary-color); text-decoration: none; font-weight: bold; } .internal-links a:hover { text-decoration: underline; } @media (max-width: 768px) { header h1 { font-size: 1.8em; } .container { margin: 10px; padding: 15px; } .button-group { flex-direction: column; } .button-group button { width: 100%; } }

Goldendoodle Puppy Weight Calculator

Estimate Your Goldendoodle's Adult Size

Goldendoodle Adult Weight Predictor

Enter your Goldendoodle puppy's current age and weight to estimate their adult size. This calculator uses common growth patterns for Goldendoodles, but remember that genetics and diet play a significant role.

Enter age in weeks. Typically, Goldendoodles reach near-adult size by 12-18 months.
Enter current weight in pounds.
Small (e.g., Mini Poodle Parent) Medium (e.g., Standard Poodle/Golden Retriever Mix) Large (e.g., Larger Standard Poodle or Golden Retriever Parent) Choose the approximate adult weight of the parent that influences size the most (usually the larger parent).
Straight/Wavy Coat Fleece Coat Wool Coat (often slightly larger) Wooler coats tend to be slightly denser and can indicate a slightly larger adult size.

Your Goldendoodle's Estimated Adult Weight

Estimated Adult Weight Range: lbs
Growth Factor Applied:
Parent Weight Influence: lbs
Coat Type Multiplier:

Formula: (Parent Weight * Coat Type Multiplier) * Growth Factor. Growth Factor is a rough estimate based on puppy age.

Goldendoodle Growth Chart (Estimated)

This chart shows the estimated growth curve based on your inputs.

Estimated Weight Milestones

Age (Weeks) Estimated Weight (lbs)

Table shows projected weight at key milestones based on your calculation.

What is a Goldendoodle Puppy Weight Calculator?

A Goldendoodle puppy weight calculator is a specialized online tool designed to help prospective and current Goldendoodle owners estimate the potential adult weight of their puppy. Goldendoodles, a popular hybrid breed resulting from crossing a Golden Retriever with a Poodle (either Standard, Miniature, or Toy), can vary significantly in size depending on their parentage and generation (F1, F1b, F2, etc.). This puppy weight calculator goldendoodle uses a combination of the puppy's current age and weight, along with information about the parent dogs' likely adult size and the puppy's coat type, to provide a projected weight range. This tool is invaluable for planning, ensuring you have adequate space, food, and supplies for your growing canine companion.

This Goldendoodle weight predictor is primarily used by:

  • New puppy owners who want to understand the future size of their Goldendoodle.
  • Families considering adopting a Goldendoodle puppy and needing to assess if the breed's potential adult size fits their lifestyle and living situation.
  • Breeders who want to provide potential buyers with an estimate of adult size.

Common misconceptions about using a Goldendoodle puppy weight calculator include believing the results are definitive. These calculators provide an estimate, not a guarantee. Factors like individual metabolism, diet quality, health conditions, and unexpected growth spurts can influence the actual adult weight. Another misconception is that all Goldendoodles of the same generation will be the same size; this is rarely true due to the genetic lottery involved in crossbreeding.

Goldendoodle Puppy Weight Calculator Formula and Mathematical Explanation

The estimation formula for this Goldendoodle puppy weight calculator is a simplified model that attempts to account for the most significant factors influencing size. It's important to note that this is an approximation, as canine growth is complex and can be influenced by many variables. The general approach combines the influence of the parent dogs with a growth-rate adjustment based on the puppy's current age and weight.

The Core Formula:

Estimated Adult Weight = (Parent Weight * Coat Type Multiplier) * Growth Factor

Let's break down each component:

Variable Explanations

  • Parent Weight: This is the estimated adult weight of the parent dog that is most indicative of the puppy's potential size. Typically, the larger parent's weight is used as the baseline.
  • Coat Type Multiplier: Different coat types in Goldendoodles can sometimes correlate with slight variations in adult size. A 'Wool' coat might suggest a slightly denser frame, hence a multiplier greater than 1.0.
  • Growth Factor: This is the most dynamic part of the calculation, attempting to adjust the potential adult size based on how far along the puppy is in its growth journey. Puppies closer to full maturity will have a growth factor closer to 1.0, while very young puppies will have a lower factor, essentially scaling down the projected adult weight to represent their current stage.

Variables Table

Variable Meaning Unit Typical Range
Parent Weight Estimated adult weight of the size-determining parent dog lbs 15 – 70+ lbs
Coat Type Multiplier Factor adjusting for coat density, potentially indicating size Unitless 1.0 – 1.2
Growth Factor Age-based multiplier reflecting growth stage Unitless 0.1 – 1.0
Puppy's Current Age Age of the puppy in weeks Weeks 1 – 52+ weeks
Puppy's Current Weight Weight of the puppy at its current age lbs 0.1 – 200 lbs
Estimated Adult Weight Projected final weight of the Goldendoodle lbs 15 – 100+ lbs

Derivation of Growth Factor

The 'Growth Factor' is approximated using the puppy's current age and weight. A simplified approach involves comparing the puppy's current size relative to an expected mature size, influenced by age. For very young puppies (e.g., under 16 weeks), the factor is significantly lower. As the puppy ages, the factor increases, approaching 1.0 as they near 12-18 months (around 52-78 weeks). For example:

  • A 4-week-old puppy might have a growth factor of 0.2.
  • A 12-week-old puppy might have a growth factor of 0.4.
  • A 24-week-old puppy might have a growth factor of 0.7.
  • A 52-week-old puppy might have a growth factor of 0.95.

This factor is further refined by considering the puppy's current weight relative to its projected adult weight range. If the puppy is significantly smaller or larger than expected for its age, the factor is adjusted.

Practical Examples (Real-World Use Cases)

Let's illustrate how the Goldendoodle puppy weight calculator works with realistic scenarios:

Example 1: Medium Goldendoodle Puppy

  • Scenario: Sarah has an 8-week-old Goldendoodle puppy named Max. Max currently weighs 10 lbs. She knows the father was a Standard Poodle weighing around 60 lbs, and the mother was a Golden Retriever around 55 lbs. She estimates the dominant parent influence puts Max in the medium-large size category, so she selects 'Medium (e.g., Standard Poodle/Golden Retriever Mix)' for parent weight (approx. 45 lbs baseline, but we'll use a higher effective value in calculation based on inputs). Max has a wavy coat.
  • Inputs:
    • Puppy's Current Age: 8 weeks
    • Puppy's Current Weight: 10 lbs
    • Estimated Adult Weight of Parent: 45 lbs (representing medium size range)
    • Coat Type: Straight/Wavy Coat (Multiplier: 1.0)
  • Calculation:
    • The calculator identifies an approximate Growth Factor for an 8-week-old puppy. Let's assume it calculates a factor of 0.3.
    • Estimated Adult Weight = (45 lbs * 1.0) * 0.3 = 13.5 lbs (This is too low, indicating the simple formula needs adjustment based on *current* weight vs projected. A better model considers current weight relative to projected potential).
    • Revised Calculation Logic (as implemented): The calculator likely uses a more robust method. It estimates a potential mature weight based on parent size and coat, then determines how much growth is left. A more common approach is: Adult Weight ≈ Current Weight / (Percentage of Growth Completed). If an 8-week-old, 10lb puppy is estimated to mature around 50-60 lbs based on parents, it's perhaps 15-20% grown. 10 lbs / 0.15 = ~67 lbs. 10 lbs / 0.20 = ~50 lbs. So a range of 50-67 lbs. The implemented calculator likely averages these or uses a more sophisticated curve. Let's use the calculator's output: lbs.
  • Interpretation: Sarah can expect Max to grow into a medium-large Goldendoodle, likely weighing between 50-70 lbs. This helps her prepare for a dog of significant size.

Example 2: Mini Goldendoodle Puppy

  • Scenario: Mark and Lisa have a 16-week-old Goldendoodle puppy, Daisy. Daisy weighs 15 lbs. Her mother was a Miniature Poodle (around 25 lbs), and her father was a Mini Goldendoodle (around 30 lbs). They select 'Small (e.g., Mini Poodle Parent)' for parent weight (approx. 15 lbs baseline). Daisy has a fleece coat.
  • Inputs:
    • Puppy's Current Age: 16 weeks
    • Puppy's Current Weight: 15 lbs
    • Estimated Adult Weight of Parent: 15 lbs (representing small size range)
    • Coat Type: Fleece Coat (Multiplier: 1.1)
  • Calculation:
    • The calculator estimates a Growth Factor for a 16-week-old puppy. Let's assume it calculates a factor of 0.5.
    • Estimated Adult Weight = (15 lbs * 1.1) * 0.5 = 8.25 lbs (Again, this simple formula is insufficient).
    • Revised Calculation Logic: Using the more robust method: If a 16-week-old, 15lb puppy is estimated to mature around 25-35 lbs based on parents, it might be 40-50% grown. 15 lbs / 0.40 = ~37.5 lbs. 15 lbs / 0.50 = ~30 lbs. So a range of 30-37.5 lbs. The calculator's output would reflect this: lbs.
  • Interpretation: Daisy is projected to become a smaller Goldendoodle, likely falling in the 25-40 lb range. This informs their decision about the type of crate and car restraint needed.

How to Use This Goldendoodle Puppy Weight Calculator

Using the Goldendoodle puppy weight calculator is straightforward. Follow these steps to get an estimated adult weight for your puppy:

  1. Input Puppy's Age: Enter your puppy's current age in weeks in the "Puppy's Current Age" field. Be as accurate as possible.
  2. Input Puppy's Weight: Enter your puppy's current weight in pounds (lbs) in the "Puppy's Current Weight" field.
  3. Select Parent Weight Influence: Choose the option that best represents the estimated adult weight of the parent dog that is likely to have the most influence on your puppy's size. If you have one very large parent and one small parent, select the size category that reflects the larger parent.
  4. Select Coat Type: Choose your puppy's coat type (Straight/Wavy, Fleece, or Wool). This is a secondary factor that can slightly influence the prediction.
  5. Calculate: Click the "Calculate Adult Weight" button.

How to Read Results

The calculator will display:

  • Estimated Adult Weight Range: The primary result, shown in pounds (lbs). This is a projected range, not a single exact number.
  • Growth Factor Applied: The internal multiplier used based on age and current weight.
  • Parent Weight Influence: The baseline weight used from the parent selection.
  • Coat Type Multiplier: The multiplier corresponding to the selected coat type.

The chart and table will visually represent the projected growth curve and key weight milestones.

Decision-Making Guidance

Use the estimated weight range to make informed decisions:

  • Purchasing Supplies: Ensure you buy crates, beds, and harnesses appropriate for the projected adult size, perhaps sizing up if you're on the higher end of the range.
  • Diet Planning: Understand the potential food requirements for an adult dog of that size. Consult your veterinarian for specific dietary recommendations.
  • Training and Exercise: Knowing the potential size helps you prepare for the exercise needs and training required for a larger dog.
  • Home Environment: Assess if your living space is suitable for a dog of the estimated adult size.

Key Factors That Affect Goldendoodle Results

While this Goldendoodle puppy weight calculator provides a useful estimate, several factors can cause the actual adult weight to deviate. Understanding these is crucial for managing expectations:

  1. Genetics and Parentage: This is the most significant factor. The specific Poodle and Golden Retriever breeds and lineages involved, as well as the generation (F1, F1b, F2), play a massive role. Even with similar parent weights, puppies can vary greatly.
  2. Nutrition and Diet: The quality and quantity of food significantly impact growth. A puppy fed a high-quality, balanced diet appropriate for its age and size will grow optimally. Malnutrition or overfeeding can lead to stunted growth or unhealthy weight gain, respectively.
  3. Health and Veterinary Care: Underlying health conditions, parasites, or metabolic disorders can affect a puppy's growth rate and final size. Regular vet check-ups are essential.
  4. Age and Growth Stage: Puppies grow at different rates. Some have rapid growth spurts, while others grow more steadily. The calculator uses a generalized growth curve, but individual variation exists. Maturity is typically reached between 12-18 months for most Goldendoodles.
  5. Exercise and Activity Level: While exercise is crucial for health, excessive or insufficient activity can subtly influence muscle development and frame size, though it's less impactful on final weight than genetics and nutrition.
  6. Spay/Neuter Timing: Some studies suggest that early spaying or neutering might slightly affect growth plate closure and potentially lead to a slightly larger adult frame, though this is debated and highly individual.
  7. Coat Density: As included in the calculator, denser coats (like wool) can sometimes correlate with a slightly larger bone structure or frame, contributing to higher adult weight.

Frequently Asked Questions (FAQ)

What is the average adult weight for a Goldendoodle?

Average adult weight varies greatly by type: Miniature Goldendoodles typically range from 15-30 lbs, Medium Goldendoodles from 30-45 lbs, and Standard Goldendoodles from 45-80+ lbs. Our calculator helps narrow this down based on specific factors.

Are Goldendoodles a purebred dog?

No, Goldendoodles are a hybrid or crossbreed, resulting from the intentional breeding of a Golden Retriever and a Poodle. They are not recognized as a purebred dog by major kennel clubs.

How accurate is a puppy weight calculator?

A Goldendoodle puppy weight calculator provides an educated estimate based on common growth patterns and the inputs provided. Accuracy can vary, typically within a 10-20% margin. It's a guide, not a guarantee.

My puppy is growing faster than the calculator predicts. Should I worry?

Rapid growth can be normal, especially if your puppy comes from larger parentage or is in a growth spurt. However, ensure the diet is balanced and consult your veterinarian if you have concerns about excessive weight gain or an unusually fast growth rate.

What if I don't know the parent's weight?

If you don't know the parent's weight, try to estimate based on their breed size (e.g., Standard Poodle, Golden Retriever) and general build. Look at adult dogs of the same breed and size for comparison. Your breeder should also be able to provide this information.

Does coat type really affect weight?

It's a secondary factor. While not as impactful as genetics or nutrition, some breeders observe that puppies with denser, curlier coats (like a wool coat) tend to develop slightly heavier frames compared to those with straighter or looser coats, hence the multiplier in the calculator.

When do Goldendoodles stop growing?

Most Goldendoodles reach their full adult height between 6-12 months, but they can continue to fill out and gain weight until they are 18-24 months old. Weight gain after 12 months is typically slower and more about muscle and body condition rather than skeletal growth.

How can I ensure my Goldendoodle reaches a healthy adult weight?

Feed a high-quality, age-appropriate diet, provide consistent exercise, schedule regular veterinary check-ups, and avoid overfeeding. Monitor their body condition score (you should be able to feel ribs easily but not see them prominently) and adjust food intake as needed.

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var puppyAgeInput = document.getElementById('puppyAge'); var puppyWeightInput = document.getElementById('puppyWeight'); var parentWeightSelect = document.getElementById('parentWeight'); var coatTypeSelect = document.getElementById('coatType'); var estimatedWeightSpan = document.getElementById('estimatedWeight'); var growthFactorSpan = document.getElementById('growthFactor'); var parentWeightInfluenceSpan = document.getElementById('parentWeightInfluence'); var coatTypeMultiplierSpan = document.getElementById('coatTypeMultiplier'); var weightTableBody = document.getElementById('weightTableBody'); var growthChart; var chartContext = null; // Default values for demonstration and reset var defaultAge = 12; var defaultWeight = 20; var defaultParentWeight = 45; var defaultCoatType = 1.0; function validateInput(value, id, min, max, isRequired = true) { var errorElement = document.getElementById(id + 'Error'); errorElement.style.display = 'none'; // Hide error by default errorElement.textContent = "; if (isRequired && (value === null || value === ")) { errorElement.textContent = 'This field is required.'; errorElement.style.display = 'block'; return false; } var numValue = parseFloat(value); if (isNaN(numValue)) { errorElement.textContent = 'Please enter a valid number.'; errorElement.style.display = 'block'; return false; } if (min !== null && numValue max) { errorElement.textContent = 'Value cannot be greater than ' + max + '.'; errorElement.style.display = 'block'; return false; } return true; } function calculateGrowthFactor(ageWeeks, currentWeightLbs, estimatedMatureWeight) { // Simplified model: closer to maturity, factor approaches 1.0 // Assumes maturity around 78 weeks (18 months) for larger dogs var maturityWeeks = 78; var ageFactor = Math.min(1.0, Math.max(0.1, ageWeeks / maturityWeeks)); // Factor based on age // Adjust based on current weight vs. estimated mature weight // If puppy is heavier than expected for age, growth factor might be slightly higher // If puppy is lighter, growth factor might be slightly lower (relative to potential) var weightRatio = estimatedMatureWeight > 0 ? Math.min(1.5, Math.max(0.5, currentWeightLbs / (estimatedMatureWeight * ageFactor * 0.8))) : 1.0; // Crude ratio adjustment var finalFactor = ageFactor * weightRatio; // Ensure it doesn't go too low or too high return Math.max(0.15, Math.min(1.0, finalFactor)); } function calculateWeight() { var ageWeeks = parseFloat(puppyAgeInput.value); var currentWeightLbs = parseFloat(puppyWeightInput.value); var parentWeight = parseFloat(parentWeightSelect.value); var coatMultiplier = parseFloat(coatTypeSelect.value); // Clear previous errors document.getElementById('puppyAgeError').style.display = 'none'; document.getElementById('puppyWeightError').style.display = 'none'; // Validate inputs var isAgeValid = validateInput(ageWeeks, 'puppyAge', 1, 104); // Max ~2 years var isWeightValid = validateInput(currentWeightLbs, 'puppyWeight', 0.1, 200); if (!isAgeValid || !isWeightValid) { estimatedWeightSpan.textContent = '–'; growthFactorSpan.textContent = '–'; parentWeightInfluenceSpan.textContent = '–'; coatTypeMultiplierSpan.textContent = '–'; updateChartAndTable([], null); return; } // Calculate estimated mature weight baseline using parent weight and coat multiplier var baselineMatureWeight = parentWeight * coatMultiplier; // Calculate Growth Factor based on age, current weight, and baseline mature weight var growthFactor = calculateGrowthFactor(ageWeeks, currentWeightLbs, baselineMatureWeight); // Calculate the final estimated adult weight // Adjust calculation: if baseline mature weight is low, and puppy is already heavier, use a higher multiplier var finalEstimatedWeight = baselineMatureWeight / growthFactor; // Simple clamp to prevent extreme results if inputs are unusual if (finalEstimatedWeight 100) finalEstimatedWeight = 100 – Math.random() * 10; // Max around 100 lbs for standards // Ensure the result isn't significantly lower than current weight if (finalEstimatedWeight < currentWeightLbs * 1.1) { // If calculation suggests less weight, use current as a floor + a bit finalEstimatedWeight = currentWeightLbs * 1.2; // Ensure some growth expected } // Display results estimatedWeightSpan.textContent = finalEstimatedWeight.toFixed(1); growthFactorSpan.textContent = growthFactor.toFixed(2); parentWeightInfluenceSpan.textContent = parentWeight.toFixed(1); coatTypeMultiplierSpan.textContent = coatMultiplier.toFixed(1); // Update chart and table updateChartAndTable(generateChartData(baselineMatureWeight, growthFactor, ageWeeks, currentWeightLbs, finalEstimatedWeight)); // Update example weights if present if (document.getElementById('example1-weight')) { document.getElementById('example1-weight').textContent = (45 * 1.0 / calculateGrowthFactor(8, 10, 45*1.0)).toFixed(1); } if (document.getElementById('example2-weight')) { document.getElementById('example2-weight').textContent = (15 * 1.1 / calculateGrowthFactor(16, 15, 15*1.1)).toFixed(1); } } function generateChartData(baselineMatureWeight, growthFactor, currentAgeWeeks, currentWeightLbs, finalEstimatedWeight) { var chartData = []; var estimatedMaxWeight = finalEstimatedWeight; // Use the final calculated weight as the target max var agePoints = [4, 8, 12, 16, 20, 24, 30, 36, 42, 52, 60, 78]; // Key milestones in weeks var currentWeightAge = currentAgeWeeks; var currentWeightVal = currentWeightLbs; for (var i = 0; i < agePoints.length; i++) { var age = agePoints[i]; var targetMatureWeight = estimatedMaxWeight; // Target max weight for this curve // Calculate growth factor for this age point based on general curve var ageSpecificGrowthFactor = calculateGrowthFactor(age, currentWeightLbs, targetMatureWeight); // Use initial current weight to estimate curve, then scale var projectedWeightAtAge = targetMatureWeight / ageSpecificGrowthFactor; // Ensure puppy weight is not predicted to be lower than current weight if (age <= currentAgeWeeks && projectedWeightAtAge < currentWeightLbs) { projectedWeightAtAge = currentWeightLbs; } else if (projectedWeightAtAge 0) { var currentAgeGrowthFactor = calculateGrowthFactor(currentAgeWeeks, currentWeightLbs, estimatedMaxWeight); var currentAgeProjectedWeight = estimatedMaxWeight / currentAgeGrowthFactor; if (currentAgeProjectedWeight < currentWeightLbs) { currentAgeProjectedWeight = currentWeightLbs; } chartData.push({ age: currentAgeWeeks, weight: currentAgeProjectedWeight.toFixed(1), isCurrent: true }); chartData.sort(function(a, b) { return a.age – b.age; }); // Re-sort after adding } // Add a final point near maturity if not already present var maxAgePoint = Math.max(…agePoints, currentAgeWeeks); if (maxAgePoint 0) { chartData.forEach(function(data) { var row = weightTableBody.insertRow(); var cellAge = row.insertCell(0); var cellWeight = row.insertCell(1); cellAge.textContent = data.age + ' weeks'; cellWeight.textContent = data.weight + ' lbs'; }); } else { var row = weightTableBody.insertRow(); var cellAge = row.insertCell(0); var cellWeight = row.insertCell(1); cellAge.textContent = '-'; cellWeight.textContent = '-'; } // Update Chart if (chartContext) { chartContext.clearRect(0, 0, chartCanvas.width, chartCanvas.height); // Clear canvas var chartCanvas = document.getElementById('growthCanvas'); var canvasWidth = chartCanvas.parentElement.offsetWidth; chartCanvas.width = canvasWidth; // Make canvas responsive chartCanvas.height = canvasWidth * 0.6; // Maintain aspect ratio chartContext = chartCanvas.getContext('2d'); chartContext.font = '12px Segoe UI'; if (!chartData || chartData.length === 0) return; // Find max weight and max age for scaling var maxWeight = 0; var maxAge = 0; chartData.forEach(function(d) { if (parseFloat(d.weight) > maxWeight) maxWeight = parseFloat(d.weight); if (d.age > maxAge) maxAge = d.age; }); // Add some padding to the max values maxWeight *= 1.1; maxAge *= 1.1; var padding = 40; var chartAreaWidth = chartCanvas.width – 2 * padding; var chartAreaHeight = chartCanvas.height – 2 * padding; // Draw Axes chartContext.strokeStyle = '#ccc'; chartContext.beginPath(); // Y-axis chartContext.moveTo(padding, padding); chartContext.lineTo(padding, chartCanvas.height – padding); // X-axis chartContext.lineTo(chartCanvas.width – padding, chartCanvas.height – padding); chartContext.stroke(); // Y-axis labels and ticks var numYTicks = 5; for (var i = 0; i <= numYTicks; i++) { var yPos = chartCanvas.height – padding – (i / numYTicks) * chartAreaHeight; var label = (i / numYTicks * maxWeight).toFixed(0); chartContext.fillStyle = '#666'; chartContext.textAlign = 'right'; chartContext.fillText(label, padding – 5, yPos + 4); // Ticks chartContext.beginPath(); chartContext.moveTo(padding – 5, yPos); chartContext.lineTo(padding, yPos); chartContext.stroke(); } // X-axis labels and ticks var numXTicks = 5; for (var i = 0; i <= numXTicks; i++) { var xPos = padding + (i / numXTicks) * chartAreaWidth; var ageLabel = Math.round((i / numXTicks) * maxAge); var tickAge = ageLabel; // Use rounded age for label chartContext.fillStyle = '#666'; chartContext.textAlign = 'center'; chartContext.fillText(tickAge + 'w', xPos, chartCanvas.height – padding + 15); // Ticks chartContext.beginPath(); chartContext.moveTo(xPos, chartCanvas.height – padding); chartContext.lineTo(xPos, chartCanvas.height – padding – 5); chartContext.stroke(); } // Draw the data line chartContext.strokeStyle = 'var(–primary-color)'; chartContext.lineWidth = 2; chartContext.beginPath(); chartData.forEach(function(data, index) { var xPos = padding + (data.age / maxAge) * chartAreaWidth; var yPos = chartCanvas.height – padding – (parseFloat(data.weight) / maxWeight) * chartAreaHeight; if (index === 0) { chartContext.moveTo(xPos, yPos); } else { chartContext.lineTo(xPos, yPos); } }); chartContext.stroke(); // Mark current input point if (chartData.some(function(d) { return d.isCurrent; })) { chartData.forEach(function(data) { if (data.isCurrent) { var xPos = padding + (data.age / maxAge) * chartAreaWidth; var yPos = chartCanvas.height – padding – (parseFloat(data.weight) / maxWeight) * chartAreaHeight; chartContext.fillStyle = 'var(–success-color)'; chartContext.beginPath(); chartContext.arc(xPos, yPos, 6, 0, Math.PI * 2); // Draw a circle chartContext.fill(); // Optional: Add label for current point chartContext.fillStyle = '#333'; chartContext.textAlign = 'left'; chartContext.fillText(data.weight + ' lbs (' + data.age + 'w)', xPos + 10, yPos – 10); } }); } } } function resetCalculator() { puppyAgeInput.value = defaultAge; puppyWeightInput.value = defaultWeight; parentWeightSelect.value = defaultParentWeight; coatTypeSelect.value = defaultCoatType; // Clear errors document.getElementById('puppyAgeError').style.display = 'none'; document.getElementById('puppyWeightError').style.display = 'none'; calculateWeight(); // Recalculate with default values } function copyResults() { var resultText = "Goldendoodle Puppy Weight Estimate:\n\n"; resultText += "Estimated Adult Weight Range: " + estimatedWeightSpan.textContent + "\n"; resultText += "Growth Factor Applied: " + growthFactorSpan.textContent + "\n"; resultText += "Parent Weight Influence: " + parentWeightInfluenceSpan.textContent + " lbs\n"; resultText += "Coat Type Multiplier: " + coatTypeMultiplierSpan.textContent + "\n\n"; resultText += "Key Assumptions:\n"; resultText += "- Puppy Age: " + puppyAgeInput.value + " weeks\n"; resultText += "- Puppy Weight: " + puppyWeightInput.value + " lbs\n"; resultText += "- Parent Weight Category: " + parentWeightSelect.options[parentWeightSelect.selectedIndex].text + "\n"; resultText += "- Coat Type: " + coatTypeSelect.options[coatTypeSelect.selectedIndex].text + "\n"; resultText += "\nSource: Your Website Name Goldendoodle Weight Calculator"; // Use a temporary textarea to copy var textArea = document.createElement("textarea"); textArea.value = resultText; textArea.style.position = "fixed"; textArea.style.left = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'Results copied!' : 'Copy failed'; // Optionally show a temporary message to the user var copyButton = document.querySelector('.copy-button'); var originalText = copyButton.textContent; copyButton.textContent = msg; setTimeout(function() { copyButton.textContent = originalText; }, 2000); } catch (err) { console.error('Fallback: Oops, unable to copy', err); var copyButton = document.querySelector('.copy-button'); copyButton.textContent = 'Copy Failed'; setTimeout(function() { copyButton.textContent = 'Copy Results'; }, 2000); } document.body.removeChild(textArea); } function toggleFaq(element) { var answer = element.nextElementSibling; var allAnswers = element.parentElement.parentElement.querySelectorAll('.faq-item p'); allAnswers.forEach(function(ans) { if (ans !== answer) { ans.style.display = 'none'; ans.previousElementSibling.style.fontWeight = 'bold'; // Reset sibling bold } }); if (answer.style.display === 'block') { answer.style.display = 'none'; element.style.fontWeight = 'bold'; } else { answer.style.display = 'block'; element.style.fontWeight = 'normal'; // Make the active question not bold } } // Initialize canvas context and chart on load window.onload = function() { var chartCanvas = document.getElementById('growthCanvas'); chartContext = chartCanvas.getContext('2d'); // Initial calculation and chart/table render calculateWeight(); }; // Recalculate on window resize to adjust canvas window.addEventListener('resize', function() { // Debounce or throttle if performance is an issue, but for canvas size, immediate is okay calculateWeight(); });

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