Great Dane Puppy Weight Calculator

Great Dane Puppy Weight Calculator: Estimate Your Giant Breed's Growth :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –card-background: #fff; –shadow: 0 2px 5px rgba(0,0,0,0.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; background-color: var(–background-color); color: var(–text-color); margin: 0; padding: 0; } .container { max-width: 1000px; margin: 20px auto; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); } h1, h2, h3 { color: var(–primary-color); text-align: center; margin-bottom: 20px; } h1 { font-size: 2.2em; } h2 { font-size: 1.8em; margin-top: 30px; } h3 { font-size: 1.4em; margin-top: 25px; } .calculator-wrapper { background-color: var(–card-background); padding: 30px; border-radius: 8px; box-shadow: var(–shadow); margin-bottom: 30px; } .input-group { margin-bottom: 20px; display: flex; flex-direction: column; 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Great Dane Puppy Weight Calculator

Estimate your Great Dane puppy's potential adult weight based on their current age and weight.

Enter the current age of your Great Dane puppy in weeks (e.g., 12 weeks).
Enter your puppy's current weight in pounds (e.g., 30 lbs).

Estimated Adult Weight

Est. Weight at 1 Year: lbs
Est. Weight at 18 Months: lbs
Typical Adult Weight Range: lbs
Formula Used: This calculator uses a common growth factor estimation. It assumes a general growth curve for Great Danes, adjusting for current age and weight to project future growth. The core idea is to estimate a multiplier based on the puppy's current stage and apply it to reach an estimated adult weight. Specific breeds and individual genetics can cause variations.
Key Assumptions:
– Puppy is a healthy, purebred Great Dane.
– Standard diet and exercise for the breed.
– No significant health issues affecting growth.

Great Dane Puppy Growth Chart

Projected weight gain from puppyhood to adulthood.
Typical Great Dane Puppy Weight Milestones
Age (Weeks) Typical Weight Range (lbs)

What is a Great Dane Puppy Weight Calculator?

{primary_keyword} is a tool designed to help Great Dane owners and prospective owners estimate the future adult weight of their giant breed puppy. Great Danes are known for their immense size, and their growth can be rapid and significant. This calculator takes into account the puppy's current age and weight, providing an educated guess about how large the dog might become. It's crucial to understand that this is an estimation, as individual genetics, diet, exercise, and health can all influence a dog's final size. Understanding potential adult weight is vital for responsible ownership, ensuring you can provide adequate space, nutrition, and care for a dog of such magnitude.

Who Should Use a Great Dane Puppy Weight Calculator?

Several groups can benefit from using a {primary_keyword}:

  • Prospective Owners: Individuals considering adopting or purchasing a Great Dane puppy can use the calculator to gauge if they are prepared for the commitment of owning such a large dog, both in terms of space and ongoing costs.
  • New Great Dane Owners: Those who have just brought home a Great Dane puppy can use it to monitor their puppy's growth trajectory and ensure it aligns with typical breed standards.
  • Veterinarians and Breeders: Professionals may use it as a quick reference tool, though they will rely more heavily on individual veterinary assessments.
  • Anyone Curious: Simply wanting to know how large a specific Great Dane puppy might get can be a reason to use the tool.

Common Misconceptions about Great Dane Puppy Weight

There are a few common misunderstandings regarding Great Dane puppy growth:

  • "They will reach full size quickly": While Great Danes grow very rapidly in their first year, they continue to fill out and mature until around 18-24 months of age.
  • "All Great Danes will be over 200 lbs": While many males can reach or exceed this, individual genetics play a huge role. Some females may be significantly lighter.
  • "My puppy is small now, so it will stay small": This is rarely true for Great Danes. They are known for having a "late bloomer" phase where they pack on considerable weight and muscle.
  • "Diet alone determines size": Nutrition is critical, but genetics sets the upper limit for growth. Overfeeding can lead to health problems like obesity and joint issues, not necessarily ideal muscle mass.

Great Dane Puppy Weight Calculator Formula and Mathematical Explanation

The {primary_keyword} calculator employs a simplified growth estimation model based on established observations of Great Dane development. It doesn't use a complex scientific formula with many variables, but rather extrapolates from typical growth patterns. The primary method involves calculating an estimated adult weight based on the puppy's current age and weight, assuming a general percentage of their adult growth is complete at various stages.

Derivation Approach:

The calculator estimates the puppy's current growth stage and then projects it forward. A common approach for large breeds is to approximate adult weight by taking the current weight and multiplying it by a factor that increases with age, up to a certain point. For example, a puppy at 8 weeks might be roughly 10-15% of its adult weight, while a puppy at 6 months might be closer to 60-70%. Our calculator refines this by using specific data points and interpolation.

Let's define the key components:

Variable Meaning Unit Typical Range
Age (Weeks) Current age of the Great Dane puppy. Weeks 1 – 24
Current Weight (lbs) Current weight of the Great Dane puppy. Pounds (lbs) 1+
Estimated Adult Weight (lbs) The calculated projected final weight of the dog. Pounds (lbs) 120 – 200+
Weight at 1 Year (lbs) Projected weight of the Great Dane at 12 months old. Pounds (lbs) 100 – 160+
Weight at 18 Months (lbs) Projected weight of the Great Dane at 18 months old. Pounds (lbs) 110 – 180+

Mathematical Logic (Simplified):

The calculator uses a piecewise function or an exponential decay model adjusted for breed-specific growth. For simplicity, let's consider a common heuristic:

Estimated Adult Weight ≈ Current Weight / (Percentage of Adult Weight Achieved at Current Age)

The percentage achieved is based on data for Great Danes. For instance:

  • At 12 weeks (3 months), a Great Dane might be around 25-30% of its adult weight.
  • At 24 weeks (6 months), it might be around 55-65% of its adult weight.

The calculator interpolates between these points and uses specific factors for projecting weight at 1 year and 18 months, often assuming significant growth in the first year and continued filling out afterward.

Practical Examples (Real-World Use Cases)

Example 1: A Young Puppy

Scenario: Sarah just brought home a 10-week-old Great Dane puppy named Thor. Thor currently weighs 25 lbs. Sarah wants to know how big he might get.

Inputs:

  • Puppy Age: 10 weeks
  • Current Weight: 25 lbs

Calculator Output:

  • Primary Result (Estimated Adult Weight): 165 lbs
  • Intermediate Est. Weight at 1 Year: 130 lbs
  • Intermediate Est. Weight at 18 Months: 155 lbs
  • Typical Adult Weight Range: 140 – 190 lbs

Interpretation: Based on the calculator, Thor is projected to be a substantial Great Dane, potentially weighing around 165 lbs as an adult. Sarah should prepare for a large dog, ensuring she has the space and resources for a dog within the 140-190 lb range. The intermediate projections show significant growth expected in the first year.

Example 2: A Growing Adolescent

Scenario: Mark has a 6-month-old Great Dane puppy, Luna. Luna currently weighs 80 lbs. Mark is curious about her final size.

Inputs:

  • Puppy Age: 24 weeks (6 months)
  • Current Weight: 80 lbs

Calculator Output:

  • Primary Result (Estimated Adult Weight): 150 lbs
  • Intermediate Est. Weight at 1 Year: 125 lbs
  • Intermediate Est. Weight at 18 Months: 145 lbs
  • Typical Adult Weight Range: 130 – 170 lbs

Interpretation: Luna is on a healthy growth path according to the calculator, with an estimated adult weight of 150 lbs. This falls comfortably within the typical adult weight range for a female Great Dane. Mark can be reassured that Luna's growth seems proportional, and he can continue with her current feeding and exercise plan, adjusting as needed under veterinary guidance.

How to Use This Great Dane Puppy Weight Calculator

Using the {primary_keyword} is straightforward. Follow these steps to get your weight estimates:

Step-by-Step Instructions:

  1. Locate Input Fields: Find the two input boxes labeled "Puppy Age (Weeks)" and "Current Weight (lbs)".
  2. Enter Puppy's Age: Input the exact age of your Great Dane puppy in weeks into the "Puppy Age (Weeks)" field. For example, if your puppy is 3 months old, that's approximately 12 weeks.
  3. Enter Puppy's Weight: Accurately weigh your puppy and enter the current weight in pounds (lbs) into the "Current Weight (lbs)" field.
  4. View Results: As soon as you enter valid numbers, the calculator will automatically update.

How to Read the Results:

  • Primary Highlighted Result: This number is the calculator's best estimate for your Great Dane's adult weight in pounds.
  • Intermediate Projections: The "Est. Weight at 1 Year" and "Est. Weight at 18 Months" provide a snapshot of expected growth milestones. Great Danes mature over a longer period than many smaller breeds.
  • Typical Adult Weight Range: This gives you a broader expectation, acknowledging that genetics can lead to variations within the breed standard.
  • Key Assumptions: Always keep these in mind. The calculator assumes a healthy puppy with good care.

Decision-Making Guidance:

Use the results as a guide, not a definitive prediction. If your puppy's estimated weight is significantly higher or lower than expected based on breed standards or the parent's size (if known), consult with your veterinarian. This information can help you:

  • Plan for Future Costs: Larger dogs eat more and may require larger beds, crates, and potentially more veterinary care.
  • Ensure Adequate Space: Great Danes need room to move comfortably.
  • Monitor Health: Deviations from projected growth might indicate underlying health or nutritional issues.
  • Adjust Diet and Exercise: Ensure your puppy receives appropriate food and activity levels for their growth stage.

Key Factors That Affect Great Dane Puppy Weight Results

While the {primary_keyword} provides an estimate, several factors significantly influence a Great Dane puppy's actual growth and final weight. Understanding these is crucial for responsible ownership:

  1. Genetics: This is the most significant factor. Bloodlines play a critical role in determining a dog's potential size and frame. If the parents are large, the puppy is more likely to be large.
  2. Nutrition: A high-quality diet formulated for large-breed puppies is essential. Overfeeding can lead to rapid, unhealthy weight gain, stressing joints and increasing the risk of conditions like hip dysplasia. Underfeeding can stunt growth. Proper calorie and nutrient balance is key.
  3. Age and Growth Stage: Puppies grow at different rates. The calculator accounts for age, but individual puppies might hit growth spurts at slightly different times. Great Danes are considered puppies until around 18-24 months old, continuing to fill out even after their major height growth slows.
  4. Health Conditions: Various health issues, such as parasites, endocrine disorders (like hypothyroidism), or chronic illnesses, can severely impact a puppy's growth rate and final weight. Regular veterinary check-ups are vital.
  5. Exercise and Activity Level: Appropriate exercise helps build strong muscles and bones, contributing to healthy development. However, excessive high-impact exercise in very young puppies can be detrimental to their developing joints. A balanced approach is best.
  6. Sex: Male Great Danes are typically larger and heavier than females. This calculator provides a general estimate, but the difference between males and females can be substantial.
  7. Spay/Neuter Status: While debated, some studies suggest that early spaying or neutering might slightly influence growth plates and potentially affect final adult height and weight, though this is less critical than genetics and nutrition.

Frequently Asked Questions (FAQ)

Q1: How accurate is the Great Dane puppy weight calculator?

A: The calculator provides an estimate based on typical growth patterns. Actual weight can vary significantly due to genetics, diet, health, and individual development. It's a helpful guide, not a guarantee.

Q2: My Great Dane puppy is much heavier/lighter than the estimate. Should I worry?

A: A slight deviation might be normal. However, if your puppy is significantly outside the projected range or the typical breed standard for their age, it's best to consult your veterinarian. They can assess your puppy's overall health and growth.

Q3: When do Great Danes stop growing?

A: Great Danes continue to mature and fill out until they are about 18 to 24 months old. While most of their height is achieved within the first year, they gain significant muscle mass and weight during their second year.

Q4: Can I feed my Great Dane puppy more to make him bigger?

A: It's not recommended to overfeed a Great Dane puppy in an attempt to make them larger. Overfeeding can lead to obesity and serious joint problems, such as hip dysplasia and other orthopedic issues, which can cause lifelong pain and health complications.

Q5: What is a typical adult weight for a male Great Dane?

A: Adult male Great Danes typically weigh between 140 to 175 pounds (approx. 63-79 kg), although some can exceed 200 pounds (90 kg). Females are generally smaller, often weighing 110 to 140 pounds (approx. 50-63 kg).

Q6: What about diet? What should I feed my Great Dane puppy?

A: Feed a high-quality, large-breed puppy food that is specifically formulated to support controlled bone and joint development. Look for foods with appropriate calcium and phosphorus levels. Consult your veterinarian for specific brand recommendations and feeding schedules.

Q7: My puppy seems to grow in spurts. Is this normal?

A: Yes, large breeds like Great Danes often experience noticeable growth spurts, followed by periods where they might seem to "catch up" in terms of filling out their frame. This uneven growth is normal.

Q8: How often should I weigh my Great Dane puppy?

A: During the rapid growth phase (first 6-12 months), weighing your puppy weekly or bi-weekly can be beneficial to track their progress. Once they are closer to adult size, monthly weigh-ins are usually sufficient, unless advised otherwise by your vet.

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function getElement(id) { return document.getElementById(id); } function calculateWeight() { var ageWeeks = parseFloat(getElement("puppyAgeWeeks").value); var currentWeightLbs = parseFloat(getElement("puppyCurrentWeightLbs").value); var puppyAgeWeeksError = getElement("puppyAgeWeeksError"); var puppyCurrentWeightLbsError = getElement("puppyCurrentWeightLbsError"); puppyAgeWeeksError.textContent = ""; puppyCurrentWeightLbsError.textContent = ""; var isValid = true; if (isNaN(ageWeeks) || ageWeeks 24) { puppyAgeWeeksError.textContent = "Please enter age between 1 and 24 weeks."; isValid = false; } if (isNaN(currentWeightLbs) || currentWeightLbs < 1) { puppyCurrentWeightLbsError.textContent = "Please enter a valid weight greater than 0 lbs."; isValid = false; } if (!isValid) { resetResultsDisplay(); return; } // Coefficients based on general large breed growth patterns – these are approximations! // These values are simplified for a demonstration calculator. Real growth is more complex. var estimatedAdultWeight, weightAt1Year, weightAt18Months, adultWeightRangeMin, adultWeightRangeMax; // Simplified growth factor logic var growthFactor; if (ageWeeks <= 8) { // ~2 months growthFactor = 6.0; } else if (ageWeeks <= 12) { // ~3 months growthFactor = 4.5; } else if (ageWeeks <= 16) { // ~4 months growthFactor = 3.5; } else if (ageWeeks <= 20) { // ~5 months growthFactor = 3.0; } else { // 6 months and up to 24 weeks growthFactor = 2.5; } estimatedAdultWeight = currentWeightLbs * growthFactor; adultWeightRangeMin = estimatedAdultWeight * 0.85; adultWeightRangeMax = estimatedAdultWeight * 1.15; // Projecting weight at specific milestones – rough estimates // Weight at 1 year (52 weeks) – assuming significant growth but slowing // This logic is highly approximate and can be refined with more data. var ageInYears = ageWeeks / 52; weightAt1Year = estimatedAdultWeight * (1 – Math.exp(-0.7 * ageInYears)) * 1.1; // Adjusted for maturity // Weight at 18 months (78 weeks) var ageInYears18 = 1.5; weightAt18Months = estimatedAdultWeight * (1 – Math.exp(-0.7 * ageInYears18)) * 1.05; // Adjusted for further maturity // Ensure intermediate weights are within reasonable bounds and logical progression if (weightAt1Year < currentWeightLbs) weightAt1Year = currentWeightLbs * 1.5; // Simple fallback if (weightAt18Months < weightAt1Year) weightAt18Months = weightAt1Year * 1.05; // Simple fallback if (adultWeightRangeMin < currentWeightLbs) adultWeightRangeMin = currentWeightLbs * 1.2; if (adultWeightRangeMax { this.textContent = originalButtonText; }, 1500); } catch (err) { console.error('Fallback: Oops, unable to copy', err); } document.body.removeChild(tempTextArea); } // Chart Logic var myChart = null; function updateChart(currentAgeWeeks, currentWeightLbs, estAdultWeight, weightAt1Year, weightAt18Months, adultWeightMin, adultWeightMax) { var ctx = getElement('growthChart').getContext('2d'); // Destroy previous chart instance if it exists if (myChart) { myChart.destroy(); } // Define data points for the chart var labels = [0, 4, 8, 12, 16, 20, 24, 30, 36, 40, 45, 52, 60, 78, 90]; // Weeks var projectedWeights = []; var adultRangeLower = []; var adultRangeUpper = []; var baseAdultWeight = estAdultWeight; var baseWeightAt1Year = weightAt1Year; var baseWeightAt18Months = weightAt18Months; labels.forEach(function(week) { var weight = calculateWeightForChart(week, currentAgeWeeks, currentWeightLbs, baseAdultWeight, baseWeightAt1Year, baseWeightAt18Months); projectedWeights.push(weight); adultRangeLower.push(weight * 0.85); // Assuming range is proportional adultRangeUpper.push(weight * 1.15); // Assuming range is proportional }); // Ensure current weight is plotted accurately var currentWeightIndex = labels.indexOf(currentAgeWeeks); if (currentWeightIndex !== -1) { projectedWeights[currentWeightIndex] = currentWeightLbs; adultRangeLower[currentWeightIndex] = currentWeightLbs * 0.85; adultRangeUpper[currentWeightIndex] = currentWeightLbs * 1.15; } else { // If currentAgeWeeks is not in labels, add it or interpolate labels.push(currentAgeWeeks); projectedWeights.push(currentWeightLbs); adultRangeLower.push(currentWeightLbs * 0.85); adultRangeUpper.push(currentWeightLbs * 1.15); // Sort labels and corresponding weights var combined = labels.map(function(l, i) { return {label: l, weight: projectedWeights[i], lower: adultRangeLower[i], upper: adultRangeUpper[i]}; }); combined.sort(function(a, b) { return a.label – b.label; }); labels = combined.map(function(item) { return item.label; }); projectedWeights = combined.map(function(item) { return item.weight; }); adultRangeLower = combined.map(function(item) { return item.lower; }); adultRangeUpper = combined.map(function(item) { return item.upper; }); } // Find max weight for chart y-axis scaling var maxWeight = Math.max(…projectedWeights, …adultRangeUpper); var maxYAxis = Math.ceil(maxWeight / 10) * 10; // Round up to nearest 10 myChart = new Chart(ctx, { type: 'line', data: { labels: labels.map(function(week) { return week + " wks"; }), // Show weeks on x-axis datasets: [ { label: 'Projected Weight (lbs)', data: projectedWeights, borderColor: 'rgba(0, 74, 153, 1)', backgroundColor: 'rgba(0, 74, 153, 0.2)', fill: false, tension: 0.1 }, { label: 'Estimated Adult Range', data: adultRangeLower, // Use lower bound for this series borderColor: 'rgba(40, 167, 69, 0.5)', backgroundColor: 'rgba(40, 167, 69, 0.1)', fill: '+1', // Fills to the next dataset (adultRangeUpper) tension: 0.1, hidden: true // Often shown as a fill, not distinct line }, { label: 'Estimated Adult Range Upper', // Placeholder for fill data: adultRangeUpper, borderColor: 'rgba(40, 167, 69, 0.5)', backgroundColor: 'rgba(40, 167, 69, 0.1)', fill: false, // This dataset itself doesn't fill, but the previous one does to it tension: 0.1, hidden: true } ] }, options: { responsive: true, maintainAspectRatio: false, scales: { x: { title: { display: true, text: 'Age (Weeks)' } }, y: { title: { display: true, text: 'Weight (lbs)' }, suggestedMin: 0, suggestedMax: maxYAxis // Scale y-axis dynamically } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || "; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y.toFixed(1) + ' lbs'; } return label; } } }, legend: { display: true, position: 'top', } } } }); } // Helper function to calculate weight for chart points function calculateWeightForChart(targetAgeWeeks, currentAgeWeeks, currentWeightLbs, estAdultWeight, weightAt1Year, weightAt18Months) { if (targetAgeWeeks <= 0) return 0; // Use a simplified exponential growth model for interpolation // Based on current data point (currentAgeWeeks, currentWeightLbs) // And target adult weight (estAdultWeight) var percentageOfAdultAtCurrentAge = currentWeightLbs / estAdultWeight; var targetAgeRatio = targetAgeWeeks / 52; // Age relative to 1 year mark // Crude interpolation – can be improved with more sophisticated growth curve models var projectedWeight; if (targetAgeWeeks <= currentAgeWeeks) { // For ages before current age, interpolate backwards from current point // This is a very rough estimate, assumes linear decrease for simplicity if needed // In practice, we mainly show growth forward. For this demo, we'll just use current weight if target age is current age. if (targetAgeWeeks === currentAgeWeeks) return currentWeightLbs; // Simple backward linear interpolation (less accurate) var slope = currentWeightLbs / currentAgeWeeks; projectedWeight = slope * targetAgeWeeks; } else if (targetAgeWeeks 0) { projectedWeight = currentWeightLbs + (weightDiffCurrentTo1Year / ageDiffCurrentTo1Year) * (targetAgeWeeks – currentAgeWeeks); } else { projectedWeight = weightAt1Year; // If current age is already 1yr, just use that } } else if (targetAgeWeeks 0) { projectedWeight = weightAt1Year + (weightDiff1YearTo18Months / ageDiff1YearTo18Months) * (targetAgeWeeks – 52); } else { projectedWeight = weightAt18Months; } } else { // After 18 months, approaching estimated adult weight // Interpolate between weight at 18 months and estimated adult weight var ageDiff18MonthsToEnd = 90 – 78; // Using 90 weeks (approx 2 years) as endpoint for this interpolation var weightDiff18MonthsToEnd = estAdultWeight – weightAt18Months; if (ageDiff18MonthsToEnd > 0) { projectedWeight = weightAt18Months + (weightDiff18MonthsToEnd / ageDiff18MonthsToEnd) * (targetAgeWeeks – 78); } else { projectedWeight = estAdultWeight; } } // Ensure projected weight doesn't exceed estimated adult weight significantly in early stages if (projectedWeight > estAdultWeight * 1.2 && targetAgeWeeks < 52) { projectedWeight = estAdultWeight * 0.8 + (estAdultWeight * 0.2 * (targetAgeWeeks/52)); // Scale back } if (projectedWeight currentAgeWeeks) { // If somehow projection goes down, ensure it at least stays at current weight projectedWeight = currentWeightLbs; } return Math.max(0, projectedWeight); // Ensure non-negative } function updateMilestoneTable(estimatedAdultWeight) { var tableBody = getElement("milestoneTableBody"); tableBody.innerHTML = ""; // Clear existing rows var milestones = [ { weeks: 8, description: "8 Weeks (approx. 2 months)" }, { weeks: 12, description: "12 Weeks (approx. 3 months)" }, { weeks: 16, description: "16 Weeks (approx. 4 months)" }, { weeks: 20, description: "20 Weeks (approx. 5 months)" }, { weeks: 24, description: "24 Weeks (approx. 6 months)" }, { weeks: 30, description: "30 Weeks (approx. 7 months)" }, { weeks: 36, description: "36 Weeks (approx. 9 months)" }, { weeks: 40, description: "40 Weeks (approx. 10 months)" }, { weeks: 45, description: "45 Weeks (approx. 11 months)" }, { weeks: 52, description: "52 Weeks (1 Year)" }, { weeks: 60, description: "60 Weeks (approx. 14 months)" }, { weeks: 78, description: "78 Weeks (18 Months)" }, { weeks: 90, description: "90 Weeks (approx. 2 Years)" } ]; milestones.forEach(function(milestone) { var projectedWeight = calculateWeightForChart(milestone.weeks, parseFloat(getElement("puppyAgeWeeks").value), parseFloat(getElement("puppyCurrentWeightLbs").value), estimatedAdultWeight, parseFloat(getElement("weightAt1Year").textContent), parseFloat(getElement("weightAt18Months").textContent)); var row = tableBody.insertRow(); var cellDesc = row.insertCell(0); var cellWeight = row.insertCell(1); cellDesc.textContent = milestone.description; cellWeight.textContent = projectedWeight.toFixed(1) + " lbs"; }); } // Initial calculation on page load document.addEventListener("DOMContentLoaded", function() { // Check if Chart.js is loaded before proceeding if (typeof Chart !== 'undefined') { calculateWeight(); // Perform initial calculation } else { // If Chart.js is not loaded, try to load it or display a message console.error("Chart.js not loaded. Please ensure it's included in the HTML."); // Optionally, you could dynamically load Chart.js here or provide a fallback. // For this single-file structure, assume it's available. // If it's truly missing, the chart won't render. calculateWeight(); // Still calculate other parts } }); // Dummy Chart.js object definition if not present (for structure) // In a real scenario, Chart.js library would be loaded via CDN or script tag if (typeof Chart === 'undefined') { var Chart = function() { this.destroy = function() { console.log("Dummy destroy called"); }; console.log("Chart object shimmed"); }; Chart.defaults = {}; Chart.defaults.global = {}; Chart.defaults.global.defaultFontFamily = "'Segoe UI', Tahoma, Geneva, Verdana, sans-serif"; }

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