Puppy Weight Calculator Yorkie

Yorkie Puppy Weight Calculator: Predict Your Yorkie's Adult Size body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f8f9fa; color: #333; line-height: 1.6; margin: 0; padding: 20px; display: flex; justify-content: center; } .container { max-width: 1000px; width: 100%; background-color: #ffffff; padding: 30px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); text-align: center; } header { background-color: #004a99; color: #ffffff; padding: 20px 0; border-radius: 8px 8px 0 0; margin: -30px -30px 20px -30px; } header h1 { margin: 0; font-size: 2.2em; } .calculator-section { margin-bottom: 40px; padding: 30px; border: 1px solid #dee2e6; border-radius: 6px; background-color: #fdfdfd; } .calculator-section h2 { color: #004a99; margin-top: 0; margin-bottom: 25px; font-size: 1.8em; } .input-group { margin-bottom: 20px; text-align: left; padding: 15px; border: 1px solid #e0e0e0; border-radius: 5px; background-color: #fcfcfc; } .input-group label { display: block; margin-bottom: 8px; font-weight: bold; color: #004a99; font-size: 1.1em; } .input-group input[type="number"], .input-group select { width: calc(100% – 22px); padding: 10px; margin-bottom: 5px; border: 1px solid #ccc; border-radius: 4px; font-size: 1em; box-sizing: border-box; } .input-group .helper-text { font-size: 0.85em; color: #6c757d; margin-top: 5px; } .error-message { color: #dc3545; font-size: 0.8em; margin-top: 5px; display: none; /* Hidden by default */ } .button-group { display: flex; justify-content: center; gap: 15px; margin-top: 25px; } button { padding: 12px 25px; border: none; border-radius: 5px; font-size: 1em; font-weight: bold; cursor: pointer; transition: background-color 0.3s ease, transform 0.2s ease; } .btn-primary { background-color: #004a99; color: #ffffff; } .btn-primary:hover { background-color: #003366; transform: translateY(-2px); } .btn-secondary { background-color: #6c757d; color: #ffffff; } .btn-secondary:hover { background-color: #5a6268; transform: translateY(-2px); } .btn-success { background-color: #28a745; color: #ffffff; } .btn-success:hover { background-color: #218838; transform: translateY(-2px); } .results-container { margin-top: 30px; padding: 25px; border: 1px dashed #004a99; border-radius: 6px; background-color: #e7f0f7; } .results-container h3 { color: #004a99; margin-top: 0; font-size: 1.6em; } #primary-result { font-size: 2.5em; font-weight: bold; color: #28a745; margin-bottom: 15px; padding: 15px; background-color: #ffffff; border-radius: 5px; box-shadow: inset 0 0 10px rgba(40, 167, 69, 0.2); } .intermediate-results span { display: block; margin-bottom: 8px; font-size: 1.1em; } .intermediate-results strong { color: #004a99; } .formula-explanation { font-size: 0.95em; color: #555; margin-top: 15px; padding-top: 15px; border-top: 1px solid #ccc; } .chart-container { margin-top: 30px; padding: 20px; border: 1px solid #dee2e6; border-radius: 6px; background-color: #ffffff; } .chart-container h3 { color: #004a99; margin-top: 0; font-size: 1.5em; } table { width: 100%; border-collapse: collapse; margin-top: 20px; } th, td { padding: 10px; border: 1px solid #ddd; text-align: left; } th { background-color: #004a99; color: #ffffff; font-weight: bold; } tr:nth-child(even) { background-color: #f2f2f2; } caption { font-size: 1.1em; color: #555; margin-bottom: 10px; font-weight: bold; text-align: left; } .article-section { margin-top: 40px; padding: 30px; border: 1px solid #dee2e6; border-radius: 6px; background-color: #ffffff; text-align: left; } .article-section h2 { color: #004a99; font-size: 2em; margin-top: 0; margin-bottom: 20px; border-bottom: 2px solid #004a99; padding-bottom: 10px; } .article-section h3 { color: #003366; font-size: 1.5em; margin-top: 25px; margin-bottom: 15px; } .article-section p, .article-section ul, .article-section ol { margin-bottom: 15px; font-size: 1.1em; color: #333; } .article-section ul, .article-section ol { padding-left: 20px; } .article-section li { margin-bottom: 10px; } .faq-item { margin-bottom: 15px; padding: 10px; border: 1px solid #e0e0e0; border-radius: 4px; background-color: #f9f9f9; } .faq-item strong { color: #004a99; display: block; margin-bottom: 5px; font-size: 1.15em; } .internal-links { margin-top: 30px; padding: 20px; border: 1px solid #ccc; border-radius: 6px; background-color: #f8f8f8; } .internal-links h3 { color: #004a99; margin-top: 0; font-size: 1.5em; margin-bottom: 15px; } .internal-links ul { list-style: none; padding: 0; margin: 0; } .internal-links li { margin-bottom: 10px; } .internal-links a { color: #004a99; text-decoration: none; font-weight: bold; } .internal-links a:hover { text-decoration: underline; } .internal-links p { font-size: 0.9em; color: #666; margin-top: 5px; } @media (max-width: 768px) { .container { padding: 20px; } header h1 { font-size: 1.8em; } .calculator-section, .article-section { padding: 20px; } button { padding: 10px 20px; font-size: 0.95em; } .button-group { flex-direction: column; gap: 10px; } }

Yorkie Puppy Weight Calculator

Estimate Your Yorkshire Terrier's Adult Weight

Yorkie Puppy Weight Predictor

Enter the current age of your Yorkie puppy in weeks (e.g., 8, 12, 20).
Please enter a valid age.
Enter the current weight of your Yorkie puppy in pounds (e.g., 1.5, 3.2, 5).
Please enter a valid weight.

Estimated Adult Weight

Formula Used: This calculator uses a common estimation formula for small breeds like Yorkies. It assumes a relatively linear growth phase until around 6 months (24-26 weeks), after which growth slows significantly. The formula is a simplified projection based on current weight and age, assuming a typical Yorkie growth curve.

Yorkie Growth Projection Chart

Chart shows projected weight up to 52 weeks (1 year).

Typical Yorkie Weight Table

Average Weight Ranges by Age (Weeks)
Age (Weeks) Approx. Weight (lbs) Notes
40.8 – 1.2Early development
81.0 – 1.8Significant growth phase
121.5 – 2.5Approaching teenage stage
162.0 – 3.0Adolescent growth
202.2 – 3.5Growth slowing
242.5 – 4.0Approaching adult size
26+2.5 – 4.5Mature adult weight

What is a Yorkie Puppy Weight Calculator?

A Yorkie puppy weight calculator is a specialized online tool designed to help Yorkshire Terrier owners estimate the future adult weight of their young dog. By inputting the puppy's current age in weeks and its current weight in pounds, the calculator provides a projected weight range for when the puppy reaches maturity, typically around 6 to 12 months of age. This puppy weight calculator yorkie tool is invaluable for new owners concerned about their puppy's growth and development.

Who should use it? This tool is primarily for owners of Yorkshire Terrier puppies. Whether you've just brought home an 8-week-old pup or a slightly older 4-month-old, the calculator can offer insights. It's also useful for breeders monitoring litters or potential adopters wanting to understand the potential size of a puppy they are considering. Understanding your Yorkie's expected adult weight can help in planning for food portions, appropriate toys, and even potential veterinary costs.

Common misconceptions about puppy weight prediction include believing these calculators are perfectly accurate. They are estimations based on averages and typical growth patterns. A Yorkie's final size can be influenced by genetics, diet, health, and activity levels, all of which can cause deviations from the projected weight. Another misconception is that a puppy must be a specific weight at a certain age; while there are breed standards, individual variation is significant. This puppy weight calculator yorkie should be used as a guide, not a definitive prediction.

Yorkie Puppy Weight Calculator Formula and Mathematical Explanation

The {primary_keyword} relies on a simplified growth model. While purebred dogs have detailed growth charts, a common estimation method for many small breeds, including Yorkies, involves projecting current growth trends. A widely used approach is to consider the puppy's weight at around 10-12 weeks old and double it, or use a multiplier based on age. However, a more refined method considers the growth rate and potential slowdown.

Our calculator employs a method that considers the puppy's current weight and age, projecting forward using an assumed average weekly gain, which gradually decreases as the puppy ages, reflecting the natural growth curve of small breeds. The core idea is that younger puppies gain weight more rapidly than older ones.

Variables and Calculations

The calculation involves a few key steps:

  1. Calculate Current Weekly Gain: We estimate the average weight gained per week up to the current age.
  2. Project Future Gain: We estimate future weight gain, factoring in a decreasing rate as the puppy approaches maturity (around 26 weeks).
  3. Estimate Final Weight: Sum the current weight with the projected future gain.

Formula Derivation (Simplified)

Let:

  • A = Puppy's Current Age (in weeks)
  • W = Puppy's Current Weight (in lbs)

Estimated Adult Weight (lbs) = W + (Projected Weight Gain from current age to maturity)

The "Projected Weight Gain" is complex and involves modeling the diminishing returns of growth. A very simple linear extrapolation (e.g., doubling weight at 10-12 weeks) is less accurate than a curve that accounts for growth deceleration. Our calculator uses an internal model that approximates this deceleration.

Variables Table

Input and Output Variables
Variable Meaning Unit Typical Range (Yorkie)
Puppy's Current Age (A) Age of the puppy in weeks. Weeks 4 – 24
Puppy's Current Weight (W) Weight of the puppy in pounds. lbs 0.8 – 5.0
Estimated Adult Weight Projected weight of the Yorkie at maturity. lbs 2.0 – 7.0
Estimated Final Weight Range A likely range for the adult weight. lbs 2.0 – 7.0
Growth Factor A multiplier indicating how much the puppy is expected to grow. Ratio 1.1 – 3.0
Weight Per Week Average estimated weight gain per week. lbs/week 0.1 – 0.5

The typical adult weight for a purebred Yorkshire Terrier, according to breed standards, is between 4 to 7 pounds. However, many pet-quality Yorkies fall between 2.5 to 5 pounds. Our calculator aims to provide a realistic estimate within this spectrum.

Practical Examples (Real-World Use Cases)

Here are a couple of scenarios demonstrating how the {primary_keyword} can be used:

Example 1: Young Puppy Check-in

Scenario: Sarah just adopted an 8-week-old Yorkshire Terrier puppy named Pip. Pip currently weighs 1.2 pounds. Sarah is eager to know how big Pip might get.

Inputs:

  • Puppy's Current Age: 8 weeks
  • Puppy's Current Weight: 1.2 lbs

Calculator Output:

  • Estimated Adult Weight: Approximately 4.5 lbs
  • Estimated Final Weight Range: 3.5 – 5.5 lbs
  • Growth Factor: 2.9x
  • Weight Per Week: ~0.4 lbs/week

Interpretation: Based on Pip's current age and weight, the calculator suggests he is on track to be a healthy, mid-range sized adult Yorkie, likely falling between 3.5 and 5.5 pounds. This information helps Sarah understand Pip's potential size and adjust feeding accordingly.

Example 2: Approaching Maturity Puppy

Scenario: Mark's Yorkie, Daisy, is 16 weeks old (4 months) and weighs 3.1 pounds. He wants to confirm if her growth is on a good trajectory.

Inputs:

  • Puppy's Current Age: 16 weeks
  • Puppy's Current Weight: 3.1 lbs

Calculator Output:

  • Estimated Adult Weight: Approximately 4.8 lbs
  • Estimated Final Weight Range: 4.0 – 5.6 lbs
  • Growth Factor: 1.5x
  • Weight Per Week: ~0.1 lbs/week

Interpretation: Daisy's current weight and age indicate she is growing at a healthy, decelerating rate. The projection suggests she will reach an adult weight around 4.8 pounds, within the typical range for a Yorkie. Mark can feel confident that Daisy is developing well.

How to Use This Yorkie Puppy Weight Calculator

Using our {primary_keyword} is straightforward and takes just a minute. Follow these simple steps:

  1. Step 1: Find Accurate Measurements Ensure you have your puppy's current age in weeks and their most recent weight in pounds. Weighing your puppy on a kitchen scale or pet scale provides the most accurate reading.
  2. Step 2: Input Data Enter the number of weeks your Yorkie puppy is into the "Puppy's Current Age (Weeks)" field. Then, enter the puppy's weight in pounds into the "Puppy's Current Weight (lbs)" field.
  3. Step 3: Click Calculate Press the "Calculate" button. The calculator will process the information instantly.
  4. Step 4: Review Results The calculator will display:
    • Estimated Adult Weight: Your Yorkie's most likely adult weight.
    • Estimated Final Weight Range: A probable range (minimum and maximum) for their adult size.
    • Growth Factor: How many times their current weight they are expected to reach.
    • Weight Per Week: An estimate of their average weekly gain.
  5. Step 5: Utilize the Chart and Table Refer to the projected growth chart and the typical weight table for a visual and comparative understanding of your puppy's development within breed norms.
  6. Step 6: Reset or Copy Use the "Reset" button to clear the fields and start over. Use the "Copy Results" button to save or share the calculated information.

How to Read Results

The primary result, "Estimated Adult Weight," gives you a single best-guess number. The "Estimated Final Weight Range" is crucial – it acknowledges that puppies don't grow linearly and genetics play a role. A puppy landing comfortably within this range is a good sign. The "Growth Factor" and "Weight Per Week" provide context about their current growth rate relative to their final expected size.

Decision-Making Guidance

Use these estimates to:

  • Adjust Food Portions: Ensure you're feeding a high-quality puppy food appropriate for their expected adult size. Consult your vet if you're unsure.
  • Monitor Health: Significant deviations from the projected range, or very rapid weight gain/loss, should be discussed with your veterinarian.
  • Prepare for Size: Knowing the approximate adult weight helps in choosing appropriately sized beds, crates, collars, and harnesses.
Remember, this puppy weight calculator yorkie is a tool for guidance. Always consult your veterinarian for personalized advice regarding your specific puppy's health and development. A well-nourished, healthy puppy within the breed's standard range is always the primary goal. You can learn more about [Yorkshire Terrier care](internal-link-to-yorkie-care-guide) on our site.

Key Factors That Affect Yorkie Puppy Weight Results

While our {primary_keyword} provides a projection, several factors can influence your Yorkie's actual adult weight. Understanding these can help you interpret the results more accurately:

  1. Genetics: This is perhaps the most significant factor. A puppy's genetic makeup, inherited from both parents, dictates its potential size and frame. If the parents are on the smaller or larger end of the breed standard, the puppy is likely to follow suit.
  2. Nutrition: A balanced, high-quality diet is crucial for proper growth. Puppies need the right amount of protein, fats, vitamins, and minerals. Overfeeding can lead to excessive weight gain, while poor nutrition can stunt growth. Ensuring the food is suitable for small breeds is key. Explore [choosing the best puppy food](internal-link-to-puppy-food-guide) for insights.
  3. Health and Parasites: Underlying health conditions or the presence of intestinal parasites can significantly impact a puppy's ability to absorb nutrients and grow properly. Regular veterinary check-ups and deworming are essential for healthy development.
  4. Spay/Neuter Status: Some studies suggest that spayed or neutered dogs may reach a slightly larger adult size or have different metabolic rates compared to intact dogs, though this effect is often minimal in small breeds compared to larger ones.
  5. Activity Level: While not a primary driver of frame size, a very active puppy might burn more calories, potentially leading to a leaner build. Conversely, a very sedentary lifestyle could contribute to weight gain if food intake isn't adjusted.
  6. Age at Calculation: The younger the puppy, the more variable the projection. A calculation done at 6 weeks is less certain than one done at 16 weeks, as there's more time for growth to deviate. The calculator becomes more reliable as the puppy gets older.
  7. Breeder Practices: Responsible breeders focus on health and temperament, often having a good understanding of their lines' typical adult size. Early socialization and proper care from the breeder also contribute to a healthy start.
  8. Owner's Interpretation: How owners interpret "ideal" weight can also play a role. Some may aim for the lower end of the spectrum, while others accept a slightly larger dog. Always prioritize health over hitting an exact number. For more on [Yorkshire Terrier traits](internal-link-to-yorkie-traits), visit our guide.

Frequently Asked Questions (FAQ)

Q1: How accurate is the Yorkie puppy weight calculator?

A1: The calculator provides an estimation based on typical growth patterns for Yorkshire Terriers. While generally reliable for guiding expectations, individual genetics, diet, and health can cause variations. It's best used as a guideline, not a precise prediction.

Q2: What is the average adult weight for a Yorkie?

A2: According to the American Kennel Club (AKC) breed standard, Yorkshire Terriers should weigh no more than 7 pounds. However, many healthy pet-quality Yorkies typically fall between 4 to 6 pounds.

Q3: My Yorkie puppy seems small for his age. Should I be worried?

A3: It's best to consult your veterinarian. While the calculator can offer insights, a vet can assess your puppy's overall health, body condition, and growth rate, considering factors like breed genetics and diet. Small size isn't always a concern if the puppy is healthy and growing steadily.

Q4: My Yorkie puppy seems large for his age. Will he be overweight?

A4: Not necessarily. Some Yorkies mature to be larger within the breed standard. Focus on a healthy diet and sufficient exercise. Monitor body condition – you should be able to feel the ribs easily but not see them prominently. A vet can provide tailored advice on ideal weight.

Q5: When do Yorkies stop growing?

A5: Most Yorkshire Terriers reach their full adult height and most of their adult weight by around 6 to 8 months of age. Some slight filling out or weight gain can continue until they are about 12 months old.

Q6: Can I use this calculator for other small breeds?

A6: While the calculator is specifically tuned for Yorkie growth patterns, it might give a very rough estimate for other toy breeds with similar growth curves. However, for accuracy, it's best to use a calculator designed for the specific breed.

Q7: How often should I weigh my Yorkie puppy?

A7: During the main growth phase (up to 6 months), weighing your puppy weekly or bi-weekly is a good practice to monitor progress. Once they reach maturity, weighing them monthly or a few times a year is sufficient unless advised otherwise by your vet.

Q8: What if my puppy's weight is outside the calculated range?

A8: This is where veterinary consultation is most important. A significant difference could indicate genetic factors, dietary issues, or health problems. Your vet can help determine the cause and the best course of action for your puppy's well-being.

© 2023 Your Trusted Pet Resource. All rights reserved.

var chartInstance = null; // Keep track of the chart instance function validateInput(id, min, max, errorId) { var input = document.getElementById(id); var errorElement = document.getElementById(errorId); var value = parseFloat(input.value); if (isNaN(value) || value <= 0) { errorElement.textContent = "Please enter a positive number."; errorElement.style.display = 'block'; input.style.borderColor = '#dc3545'; return false; } if (id === 'puppyAge' && (value 52)) { errorElement.textContent = "Age must be between 4 and 52 weeks."; errorElement.style.display = 'block'; input.style.borderColor = '#dc3545'; return false; } if (id === 'puppyWeight' && (value 10)) { errorElement.textContent = "Weight must be between 0.5 and 10 lbs."; errorElement.style.display = 'block'; input.style.borderColor = '#dc3545'; return false; } errorElement.style.display = 'none'; input.style.borderColor = '#ccc'; return true; } function calculateYorkieWeight() { var ageValid = validateInput('puppyAge', 4, 52, 'puppyAgeError'); var weightValid = validateInput('puppyWeight', 0.5, 10, 'puppyWeightError'); if (!ageValid || !weightValid) { document.getElementById('resultsContainer').style.display = 'none'; return; } var puppyAge = parseFloat(document.getElementById('puppyAge').value); var puppyWeight = parseFloat(document.getElementById('puppyWeight').value); var resultsContainer = document.getElementById('resultsContainer'); // Simplified projection model // Assumes growth slows significantly after ~26 weeks var estimatedAdultWeight; var estimatedWeightRangeMin; var estimatedWeightRangeMax; var growthFactor; var weightPerWeek; // Typical Yorkie adult weight range: 2.5 lbs to 7 lbs (breed standard max 7, many are 4-6) var minAdultWeight = 2.5; var maxAdultWeight = 7.0; if (puppyAge <= 10) { // Early stage: Higher growth rate assumed // Rough multiplier for very young pups estimatedAdultWeight = puppyWeight * (10 / puppyAge) * 1.2; // Overestimate slightly for young pups estimatedWeightRangeMin = puppyWeight * (10 / puppyAge) * 1.0; estimatedWeightRangeMax = puppyWeight * (10 / puppyAge) * 1.5; weightPerWeek = puppyWeight / puppyAge; } else if (puppyAge estimatedWeightRangeMax) { var temp = estimatedWeightRangeMin; estimatedWeightRangeMin = estimatedWeightRangeMax; estimatedWeightRangeMax = temp; } // Ensure estimated adult weight falls within the range if (estimatedAdultWeight estimatedWeightRangeMax) estimatedAdultWeight = estimatedWeightRangeMax; growthFactor = estimatedAdultWeight / puppyWeight; weightPerWeek = puppyWeight / puppyAge; // Recalculate average gain so far document.getElementById('primary-result').textContent = estimatedAdultWeight.toFixed(2) + " lbs"; document.getElementById('estimatedFinalWeightRange').innerHTML = 'Estimated Final Weight Range: ' + estimatedWeightRangeMin.toFixed(2) + ' – ' + estimatedWeightRangeMax.toFixed(2) + ' lbs'; document.getElementById('growthFactor').innerHTML = 'Growth Factor: ' + growthFactor.toFixed(1) + 'x'; document.getElementById('weightPerWeek').innerHTML = 'Avg. Weight Gain So Far: ' + weightPerWeek.toFixed(2) + ' lbs/week'; resultsContainer.style.display = 'block'; updateChart(puppyAge, puppyWeight, estimatedAdultWeight, estimatedWeightRangeMin, estimatedWeightRangeMax); } function resetCalculator() { document.getElementById('puppyAge').value = '8'; // Sensible default document.getElementById('puppyWeight').value = '1.2'; // Sensible default document.getElementById('puppyAgeError').style.display = 'none'; document.getElementById('puppyWeightError').style.display = 'none'; document.getElementById('puppyAge').style.borderColor = '#ccc'; document.getElementById('puppyWeight').style.borderColor = '#ccc'; document.getElementById('resultsContainer').style.display = 'none'; if (chartInstance) { chartInstance.destroy(); chartInstance = null; } document.getElementById('growthChart').getContext('2d').clearRect(0, 0, 600, 300); // Clear canvas } function copyResults() { var primaryResult = document.getElementById('primary-result').innerText; var rangeResult = document.getElementById('estimatedFinalWeightRange').innerText.replace('Estimated Final Weight Range: ', "); var growthResult = document.getElementById('growthFactor').innerText.replace('Growth Factor: ', "); var weightPerWeekResult = document.getElementById('weightPerWeek').innerText.replace('Avg. Weight Gain So far: ', "); var assumptions = "Key Assumptions:\n- Based on current age and weight.\n- Assumes typical Yorkie growth curve with slowing growth post 26 weeks.\n- Genetics, diet, and health can influence actual outcome."; var textToCopy = "— Yorkie Puppy Weight Estimate —\n\n"; textToCopy += "Current Age: " + document.getElementById('puppyAge').value + " weeks\n"; textToCopy += "Current Weight: " + document.getElementById('puppyWeight').value + " lbs\n\n"; textToCopy += "Estimated Adult Weight: " + primaryResult + "\n"; textToCopy += rangeResult + "\n"; textToCopy += growthResult + "\n"; textToCopy += weightPerWeekResult + "\n\n"; textToCopy += assumptions; // Use navigator.clipboard if available, otherwise fallback if (navigator.clipboard) { navigator.clipboard.writeText(textToCopy).then(function() { alert('Results copied to clipboard!'); }).catch(function(err) { console.error('Failed to copy: ', err); fallbackCopyTextToClipboard(textToCopy); }); } else { fallbackCopyTextToClipboard(textToCopy); } } function fallbackCopyTextToClipboard(text) { var textArea = document.createElement("textarea"); textArea.value = text; textArea.style.position = "fixed"; //avoid scrolling to bottom textArea.style.left = "-9999px"; textArea.style.top = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'successful' : 'unsuccessful'; alert('Results copied to clipboard! (' + msg + ')'); } catch (err) { alert('Oops, unable to copy'); } document.body.removeChild(textArea); } function updateChart(currentAge, currentWeight, estimatedAdultWeight, estimatedMin, estimatedMax) { var ctx = document.getElementById('growthChart').getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } var labels = []; var currentWeightData = []; var projectedWeightData = []; // Min/Max range var projectedWeightDataMax = []; // Generate labels and data points up to 52 weeks for (var i = 1; i <= 52; i++) { labels.push(i); var projectedWeight = calculateProjectedWeight(i, currentAge, currentWeight, estimatedAdultWeight, estimatedMin, estimatedMax); currentWeightData.push(projectedWeight.current); projectedWeightData.push(projectedWeight.min); projectedWeightDataMax.push(projectedWeight.max); } chartInstance = new Chart(ctx, { type: 'line', data: { labels: labels, datasets: [{ label: 'Current Puppy Weight', data: currentWeightData, borderColor: '#004a99', backgroundColor: 'rgba(0, 74, 153, 0.1)', fill: false, tension: 0.3 }, { label: 'Projected Adult Range', data: projectedWeightData, // This will be the lower bound of the range borderColor: '#28a745', backgroundColor: 'rgba(40, 167, 69, 0.2)', fill: '+1', // Fill to the next dataset (projectedWeightDataMax) tension: 0.3 }, { label: 'Projected Adult Range Max', // Dummy dataset to control the fill data: projectedWeightDataMax, borderColor: 'rgba(40, 167, 69, 0)', // Invisible line backgroundColor: 'rgba(40, 167, 69, 0)', fill: false }] }, options: { responsive: true, maintainAspectRatio: false, scales: { x: { title: { display: true, text: 'Age (Weeks)' } }, y: { title: { display: true, text: 'Weight (lbs)' }, beginAtZero: true } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y.toFixed(2) + ' lbs'; } return label; } } }, legend: { position: 'top', } } } }); } function calculateProjectedWeight(week, currentAge, currentWeight, estimatedAdultWeight, estimatedMin, estimatedMax) { var currentData = null; var minData = null; var maxData = null; // Calculate current weight projection if (week 0 && weeksIntoProjection weeksToMaturity) { currentData = estimatedAdultWeight; // Assume adult weight is reached } } // Project min range if (week 0 && weeksIntoProjection weeksToMaturity) { minData = estimatedMin; } } // Project max range if (week 0 && weeksIntoProjection weeksToMaturity) { maxData = estimatedMax; } } // Ensure data points make sense and are capped minData = Math.max(0.5, minData); maxData = Math.max(minData, maxData); // Ensure max is >= min if (currentData !== null) currentData = Math.max(minData, Math.min(maxData, currentData)); return { current: currentData !== null ? parseFloat(currentData.toFixed(2)) : null, min: minData !== null ? parseFloat(minData.toFixed(2)) : null, max: maxData !== null ? parseFloat(maxData.toFixed(2)) : null }; } // Initial calculation on load if values are present (e.g., from URL params) // Or just call reset to set defaults resetCalculator();

Leave a Comment