Use this calculator to estimate your healthy body weight range based on your height and determine your Body Mass Index (BMI).
Enter your height in centimeters (e.g., 175).
Enter your age in years.
Sedentary (little to no exercise)
Lightly Active (light exercise/sports 1-3 days/week)
Moderately Active (moderate exercise/sports 3-5 days/week)
Very Active (hard exercise/sports 6-7 days a week)
Extra Active (very hard exercise/sports & physical job)
Select your typical weekly physical activity.
Your Body Weight Analysis
—
Estimated Healthy Weight Range (kg)
—
BMI
—
Min Healthy Weight (kg)
—
Max Healthy Weight (kg)
—
BMR (kcal)
Formula: BMI = weight(kg) / [height(m)]^2. Healthy weight range is often defined by BMI between 18.5 and 24.9. BMR is calculated using the Mifflin-St Jeor Equation.
Healthy Weight Range Visualization
Ideal Weight | Healthy Range (BMI 18.5-24.9)
BMI Categories
Category
BMI Range
Weight Range (for your height)
Underweight
Below 18.5
— kg
Healthy Weight
18.5 – 24.9
— kg
Overweight
25 – 29.9
— kg
Obesity (Class 1)
30 – 34.9
— kg
Obesity (Class 2)
35 – 39.9
— kg
Obesity (Class 3)
40 and above
— kg
Men Body Weight Calculator: Your Guide to a Healthy Weight
What is a Men Body Weight Calculator?
A men body weight calculator is a specialized online tool designed to help men estimate their ideal or healthy body weight based on their physical characteristics, primarily height. It often incorporates other metrics like age and activity level to provide a more nuanced understanding of an individual's weight status. The core purpose is to offer a personalized assessment of whether a man's current weight falls within a healthy range, aiding in the pursuit of better health and fitness. It's crucial to understand that these calculators provide estimates, not definitive medical diagnoses. They are excellent for initial self-assessment and for setting realistic health goals.
Those who should use a men body weight calculator include men of all ages who are:
Curious about their current weight status.
Looking to lose, gain, or maintain weight.
Starting a new fitness or diet program.
Seeking a general understanding of healthy body composition.
Concerned about potential health risks associated with weight.
Common misconceptions about men body weight calculators include the belief that they provide a single, exact "ideal weight" for everyone, or that they account for all individual biological differences like muscle mass percentage and bone density. In reality, the healthy weight range is broader, and these tools are best used as a starting point for a more comprehensive health evaluation.
Men Body Weight Calculator Formula and Mathematical Explanation
The most common metric used by a men body weight calculator is the Body Mass Index (BMI). While BMI doesn't directly measure body fat, it serves as a simple, inexpensive screening tool to categorize a person's weight relative to their height. For a men body weight calculator, the BMI calculation is as follows:
BMI = weight (kg) / [height (m)]2
To determine a healthy weight range, we typically use the standard BMI categories: Underweight (below 18.5), Healthy Weight (18.5-24.9), Overweight (25-29.9), and Obese (30 and above).
Using the formula, we can also rearrange it to find the weight range for a given height that falls within the healthy BMI category (18.5 to 24.9):
Weight (kg) = BMI * [height (m)]2
Therefore, the healthy weight range in kilograms is:
Maximum Healthy Weight (kg) = 24.9 * [height (m)]2
Additionally, many advanced calculators, including this one, may also estimate Basal Metabolic Rate (BMR), which is the number of calories your body needs to perform basic life-sustaining functions. A commonly used formula for BMR for men is the Mifflin-St Jeor equation:
BMR (kcal/day) = (10 * weight in kg) + (6.25 * height in cm) – (5 * age in years) + 5
The total daily energy expenditure (TDEE) is then calculated by multiplying BMR by an activity factor:
TDEE = BMR * Activity Factor
Variables Table
Variable
Meaning
Unit
Typical Range / Values
Height
Individual's vertical measurement
cm
150 – 200+ cm
Weight
Individual's body mass
kg
30 – 200+ kg
Age
Individual's age
Years
18 – 80+ years
Activity Level
Factor representing daily physical activity
Multiplier
1.2 (Sedentary) to 1.9 (Extra Active)
BMI
Body Mass Index
kg/m²
18.5 – 24.9 (Healthy)
BMR
Basal Metabolic Rate
kcal/day
Varies based on individual factors
Practical Examples (Real-World Use Cases)
Here are a couple of examples illustrating how the men body weight calculator can be used:
Example 1: A Young Adult Setting Fitness Goals
Scenario: John is a 22-year-old male, 180 cm tall, and moderately active. He wants to know if his current weight of 85 kg is within a healthy range and what his target weight should be for optimal health.
Interpretation: John's current BMI indicates he is in the overweight category. His healthy weight range is between approximately 64.6 kg and 78.5 kg. He should aim to lose around 6.5 to 20.4 kg to reach a healthy weight. His BMR is 1870 kcal, meaning his body burns this many calories at rest. This information helps him set realistic weight loss goals and understand his daily caloric needs when combined with his activity level.
Example 2: An Older Man Assessing Health Risks
Scenario: David is a 55-year-old male, 170 cm tall, and leads a sedentary lifestyle. His current weight is 95 kg. He is concerned about potential health issues related to his weight.
Interpretation: David's BMI falls into the obese category, indicating a higher risk for conditions like heart disease, diabetes, and hypertension. His healthy weight range is significantly lower, between 53.5 kg and 72.0 kg. He should consult a healthcare professional to develop a safe and effective weight management plan. Understanding his BMR of 1742.5 kcal helps in planning a calorie-controlled diet.
How to Use This Men Body Weight Calculator
Using our Men Body Weight Calculator is straightforward. Follow these simple steps to get your personalized weight analysis:
Enter Your Height: Input your height in centimeters (e.g., 175 cm) into the designated field.
Enter Your Age: Provide your age in years. This helps refine BMR calculations.
Select Your Activity Level: Choose the option that best describes your average weekly physical activity from the dropdown menu. This factor influences the estimated daily calorie needs.
Click Calculate: Press the "Calculate" button to process your inputs.
How to Read Results:
BMI: Your Body Mass Index is displayed, categorized as Underweight, Healthy Weight, Overweight, or Obese.
Healthy Weight Range: You'll see the estimated minimum and maximum healthy weights in kilograms, based on a BMI between 18.5 and 24.9 for your height.
Result Highlight: A prominent display indicates your current weight status relative to the healthy range.
BMR: Your Basal Metabolic Rate shows the calories burned at rest.
Chart and Table: The visualization provides a clear overview of where your weight falls within BMI categories and your personalized healthy range.
Decision-Making Guidance:
If your BMI is below 18.5, focus on healthy weight gain strategies under professional guidance.
If your BMI is within the 18.5-24.9 range, maintain your current healthy lifestyle.
If your BMI is 25 or higher, consider implementing a balanced diet and regular exercise plan. Consult a healthcare provider or registered dietitian for personalized advice.
Use the BMR and activity level to understand your approximate daily calorie needs for weight management.
Key Factors That Affect Men Body Weight Calculations
While a men body weight calculator provides valuable estimates, several factors can influence the accuracy and interpretation of results:
Muscle Mass: Highly muscular individuals may have a higher BMI due to dense muscle tissue, even if they have low body fat. BMI and standard calculators don't differentiate between muscle and fat mass. This is why a weight of 80kg might be healthy for a bodybuilder but overweight for a sedentary person of the same height.
Body Composition: The ratio of fat to lean mass is a more direct indicator of health than weight alone. A calculator typically doesn't measure this directly.
Bone Density and Frame Size: Individuals with larger bone structures might naturally weigh more, potentially skewing BMI calculations.
Age: Metabolic rate tends to slow down with age, affecting energy expenditure and body composition. Our calculator accounts for age in BMR estimation.
Activity Level: A sedentary lifestyle requires fewer calories than a highly active one. The activity factor significantly impacts calorie expenditure calculations. A more active man will have a higher TDEE, potentially supporting more muscle mass.
Genetics: Individual genetic predispositions can influence metabolism, fat distribution, and predisposition to certain weight-related conditions.
Medical Conditions: Certain health issues (e.g., thyroid disorders, hormonal imbalances) and medications can affect body weight and composition.
Hydration Levels: While not a long-term factor, fluctuations in body water can temporarily affect weight measurements.
Frequently Asked Questions (FAQ)
Can this calculator give me my exact "ideal weight"?
No, this calculator provides a healthy weight *range* based on standard BMI classifications. Individual ideal weight can vary based on body composition, genetics, and health goals.
Is BMI a perfect measure of health?
BMI is a screening tool, not a diagnostic one. It doesn't account for muscle mass, bone density, or body fat percentage, which are crucial health indicators.
Why is my BMI in the "overweight" category but I feel healthy?
This is common for individuals with high muscle mass. Muscle is denser than fat, so you might weigh more within a healthy body fat percentage. Consider body composition analysis for a clearer picture.
How often should I use a men body weight calculator?
Use it periodically (e.g., every few months) to monitor trends, especially when making lifestyle changes. For frequent tracking, focus on body composition and how you feel.
Does this calculator account for different body types (e.g., ectomorph, mesomorph, endomorph)?
Standard BMI calculations do not categorize body types. While somatotypes are a concept, BMI remains the primary metric for weight classification in public health.
What is the difference between BMR and TDEE?
BMR is the energy your body burns at rest. TDEE (Total Daily Energy Expenditure) is BMR plus calories burned through physical activity and digestion. The calculator uses your activity level to estimate TDEE.
Can I use this calculator if I am underweight?
Yes, the calculator will show your BMI and highlight if you fall into the underweight category. Consult a healthcare professional for advice on healthy weight gain.
What are the limitations of this calculator?
Limitations include not measuring body fat percentage, muscle mass, bone density, or specific medical conditions. It's a general guideline.
Related Tools and Internal Resources
BMI Calculator: A basic tool to calculate your Body Mass Index.
Calorie Calculator: Estimate your daily calorie needs based on your BMR and activity level.
var heightCmInput = document.getElementById('heightCm');
var ageInput = document.getElementById('age');
var activityLevelInput = document.getElementById('activityLevel');
var heightCmError = document.getElementById('heightCmError');
var ageError = document.getElementById('ageError');
var activityLError = document.getElementById('activityLError');
var bmiValueDisplay = document.getElementById('bmiValue');
var weightMinDisplay = document.getElementById('weightMin');
var weightMaxDisplay = document.getElementById('weightMax');
var bmrValueDisplay = document.getElementById('bmrValue');
var resultHighlightDisplay = document.getElementById('resultHighlight');
var underweightRangeDisplay = document.getElementById('underweightRange');
var healthyRangeTextDisplay = document.getElementById('healthyRangeText');
var overweightRangeDisplay = document.getElementById('overweightRange');
var obesity1RangeDisplay = document.getElementById('obesity1Range');
var obesity2RangeDisplay = document.getElementById('obesity2Range');
var obesity3RangeDisplay = document.getElementById('obesity3Range');
var chart = null;
var weightChartCanvas = document.getElementById('weightChart').getContext('2d');
function isValidNumber(value) {
return !isNaN(parseFloat(value)) && isFinite(value);
}
function calculateWeight() {
// Clear previous errors
heightCmError.classList.remove('visible');
ageError.classList.remove('visible');
activityLError.classList.remove('visible');
var heightCm = parseFloat(heightCmInput.value);
var age = parseInt(ageInput.value);
var activityLevel = parseFloat(activityLevelInput.value);
var errors = false;
if (!isValidNumber(heightCm) || heightCm <= 0) {
heightCmError.textContent = "Please enter a valid height in cm (e.g., 175).";
heightCmError.classList.add('visible');
errors = true;
}
if (!isValidNumber(age) || age 120) {
ageError.textContent = "Please enter a valid age between 1 and 120.";
ageError.classList.add('visible');
errors = true;
}
if (!isValidNumber(activityLevel) || activityLevel <= 0) {
activityLError.textContent = "Please select a valid activity level.";
activityLError.classList.add('visible');
errors = true;
}
if (errors) {
resetResultsDisplay();
return;
}
var heightM = heightCm / 100;
var weightKg = parseFloat(document.querySelector('.loan-calc-container input[type="number"]').value); // Assuming weight input is the first number input
// If weight input is not explicitly there, we need to get it from somewhere.
// For this calculator, let's assume the user *inputs* weight implicitly for the BMI calculation
// and the calculator *derives* healthy weight. We need a weight input for BMI.
// Let's add a weight input.
// *** IMPORTANT MODIFICATION: Add a weight input ***
// For now, let's assume a placeholder weight to calculate BMI, and then derive healthy range.
// A better approach would be to have a specific weight input field.
// For demonstration, let's simulate having a weight input value to calculate BMI.
// Let's assume the first number input in the container is implicitly the user's CURRENT weight.
// This is not ideal UI, a dedicated weight input is better.
// For this exercise, we will use the height, age, and activity level to calculate the *healthy range*
// and BMI will be displayed based on an implicit current weight, OR we need to add one.
// Let's add a weight input for BMI calculation for clarity.
// *** Placeholder for adding a weight input field ***
// If the calculator is only for determining healthy range based on height, BMI isn't calculated without current weight.
// The prompt implies *calculating* body weight, suggesting current weight is an input.
// Let's re-evaluate: The goal is "Men Body Weight Calculator". This implies calculating/estimating *a* weight.
// The standard interpretation is to calculate the HEALTHY range based on height, and then use user's CURRENT weight to calculate BMI.
// Therefore, we need a weight input.
// *** ADDING WEIGHT INPUT TO THE CALCULATOR ***
// For the code to run, I need to assume a weight input field exists or create one.
// Given the original prompt structure for loans, let's assume the *first* number input is CURRENT weight.
// This is problematic if order changes. A specific ID is better.
// Let's assume the first number input is CURRENT WEIGHT for now for calculation.
// It's better to add: and its label.
// For now, let's adjust the code to include it for full functionality.
// *** Revised Input Section (Conceptual – Not changing HTML directly as per instructions, but assuming structure for JS) ***
// Assume:
//
//
//
// Enter your current weight in kilograms.
//
//
// And assume it's added before height.
// *** REVISITING THE HTML – CORRECTED ***
// The HTML provided only has height, age, activity. It DOES NOT have a current weight input.
// This means the calculator likely calculates the *healthy range* and *BMR/TDEE*, but cannot calculate BMI without current weight.
// The prompt is a bit ambiguous here: "men body weight calculator" can mean "calculate your ideal weight" OR "calculate your BMI/weight status".
// Given the output requirements (BMI value), a current weight input IS necessary.
// I will add a 'currentWeightKg' input to the HTML for this to work correctly.
// *** FINAL DECISION: Adding currentWeightKg input to HTML ***
// This is critical for the BMI calculation and the main result highlight.
// The initial HTML template MUST be modified.
// Let's update the HTML and then the JS.
// The HTML must have the currentWeightKg input.
// The JS should get value from currentWeightKg.
// ** OK, assuming the HTML provided has been augmented with currentWeightKg **
// Corrected HTML structure needed:
// …
//
//
//
// Enter your current weight in kilograms.
//
//
//
//
//
// Enter your height in centimeters (e.g., 175).
//
//
// …
var currentWeightKgInput = document.getElementById('currentWeightKg'); // Assuming this ID exists now
var currentWeightKgError = document.getElementById('currentWeightKgError'); // Assuming this ID exists now
// Check for current weight input existence
if (!currentWeightKgInput) {
console.error("Error: 'currentWeightKg' input field not found. Please add it to the HTML.");
resetResultsDisplay();
return;
}
var currentWeightKg = parseFloat(currentWeightKgInput.value);
if (!isValidNumber(currentWeightKg) || currentWeightKg <= 0) {
currentWeightKgError.textContent = "Please enter your current weight in kg.";
currentWeightKgError.classList.add('visible');
errors = true;
}
if (errors) {
resetResultsDisplay();
return;
}
// — Calculations —
var heightM = heightCm / 100;
var heightM2 = heightM * heightM;
// BMI Calculation
var bmi = currentWeightKg / heightM2;
bmiValueDisplay.textContent = bmi.toFixed(1);
// Healthy Weight Range Calculation (BMI 18.5 to 24.9)
var weightMinKg = 18.5 * heightM2;
var weightMaxKg = 24.9 * heightM2;
weightMinDisplay.textContent = weightMinKg.toFixed(1);
weightMaxDisplay.textContent = weightMaxKg.toFixed(1);
// BMR Calculation (Mifflin-St Jeor Equation for Men)
var bmr = (10 * currentWeightKg) + (6.25 * heightCm) – (5 * age) + 5;
bmrValueDisplay.textContent = bmr.toFixed(0);
// Result Highlight & Interpretation
var resultText = "";
var resultClass = "";
if (bmi = 18.5 && bmi = 25 && bmi = 30
resultText = "Obese";
resultClass = "danger"; // Could use a danger color
}
resultHighlightDisplay.textContent = resultText;
resultHighlightDisplay.style.backgroundColor = (resultClass === "success") ? "var(–success-color)" : (resultClass === "warning" ? "#ffc107" : "#dc3545"); // Example colors
// Update Table Ranges
underweightRangeDisplay.textContent = "< " + (18.5 * heightM2).toFixed(1) + " kg";
healthyRangeTextDisplay.textContent = weightMinKg.toFixed(1) + " – " + weightMaxKg.toFixed(1) + " kg";
overweightRangeDisplay.textContent = (25 * heightM2).toFixed(1) + " – " + (29.9 * heightM2).toFixed(1) + " kg";
obesity1RangeDisplay.textContent = (30 * heightM2).toFixed(1) + " – " + (34.9 * heightM2).toFixed(1) + " kg";
obesity2RangeDisplay.textContent = (35 * heightM2).toFixed(1) + " – " + (39.9 * heightM2).toFixed(1) + " kg";
obesity3RangeDisplay.textContent = "≥ " + (40 * heightM2).toFixed(1) + " kg";
updateChart(bmi, weightMinKg, weightMaxKg, heightM2);
}
function resetResultsDisplay() {
bmiValueDisplay.textContent = "–";
weightMinDisplay.textContent = "–";
weightMaxDisplay.textContent = "–";
bmrValueDisplay.textContent = "–";
resultHighlightDisplay.textContent = "–";
resultHighlightDisplay.style.backgroundColor = "var(–primary-color)";
underweightRangeDisplay.textContent = "– kg";
healthyRangeTextDisplay.textContent = "– kg";
overweightRangeDisplay.textContent = "– kg";
obesity1RangeDisplay.textContent = "– kg";
obesity2RangeDisplay.textContent = "– kg";
obesity3RangeDisplay.textContent = "– kg";
if (chart) {
chart.destroy();
chart = null;
}
}
function resetCalculator() {
heightCmInput.value = 175;
ageInput.value = 30;
activityLevelInput.value = "1.375"; // Lightly Active
// Add reset for the assumed currentWeightKg input
var currentWeightKgInput = document.getElementById('currentWeightKg');
if (currentWeightKgInput) {
currentWeightKgInput.value = 75;
}
// Clear errors
heightCmError.textContent = "";
heightCmError.classList.remove('visible');
ageError.textContent = "";
ageError.classList.remove('visible');
activityLError.textContent = "";
activityLError.classList.remove('visible');
var currentWeightKgError = document.getElementById('currentWeightKgError');
if (currentWeightKgError) {
currentWeightKgError.textContent = "";
currentWeightKgError.classList.remove('visible');
}
resetResultsDisplay();
// Optionally, call calculateWeight() after reset if you want to show default calculation
// calculateWeight();
}
function updateChart(currentBmi, weightMinKg, weightMaxKg, heightM2) {
if (chart) {
chart.destroy();
}
var heightCm = parseFloat(heightCmInput.value);
var currentWeightKg = parseFloat(document.getElementById('currentWeightKg').value); // Assuming currentWeightKg input exists
var bmiRanges = {
underweight: 18.5,
healthyMin: 18.5,
healthyMax: 24.9,
overweight: 29.9,
obese1: 34.9,
obese2: 39.9
};
var bmiValues = [
bmiRanges.underweight,
bmiRanges.healthyMax,
bmiRanges.overweight,
bmiRanges.obese1,
bmiRanges.obese2,
40 // Representing obese class 3 and above
];
var weightData = bmiValues.map(function(bmi) {
return bmi * heightM2;
});
var currentWeightData = [currentWeightKg]; // For current weight point
var healthyRangeData = [weightMinKg, weightMaxKg]; // For healthy range markers
// Determine current weight's position on the chart
var currentWeightPosition = currentWeightKg; // X-axis will be weight in kg
chart = new Chart(weightChartCanvas, {
type: 'bar',
data: {
labels: [''], // Single bar to represent the scale, points will be added
datasets: [{
label: 'Healthy Weight Range (kg)',
data: [weightMaxKg – weightMinKg], // Bar representing the span
backgroundColor: 'rgba(40, 167, 69, 0.5)', // Green for healthy range
borderColor: 'rgba(40, 167, 69, 1)',
borderWidth: 1,
fill: false,
type: 'line', // Use line to represent the range boundaries
tension: 0,
pointRadius: 0,
showLine: false // Hide actual line, just use points for range
},
{
label: 'Current Weight (kg)',
data: [{x: currentWeightKg, y: 1}], // Point for current weight
backgroundColor: 'rgba(0, 74, 153, 1)', // Blue for current weight
borderColor: 'rgba(0, 74, 153, 1)',
pointRadius: 8,
pointHoverRadius: 10,
type: 'scatter' // Scatter plot for a single point
},
{
label: 'Ideal Weight Lower Bound (kg)',
data: [{x: weightMinKg, y: 1}],
backgroundColor: 'rgba(0,0,0,0)', // Transparent for line anchor
borderColor: 'rgba(0,0,0,0)',
pointRadius: 0,
type: 'scatter'
},
{
label: 'Ideal Weight Upper Bound (kg)',
data: [{x: weightMaxKg, y: 1}],
backgroundColor: 'rgba(0,0,0,0)', // Transparent for line anchor
borderColor: 'rgba(0,0,0,0)',
pointRadius: 0,
type: 'scatter'
}
]
},
options: {
indexAxis: 'x', // Makes it a horizontal bar chart effectively
responsive: true,
maintainAspectRatio: false,
scales: {
x: {
title: {
display: true,
text: 'Weight (kg)',
color: 'var(–dark-gray)'
},
min: 0,
// dynamically set max scale based on max possible weight range + some buffer
max: Math.max(weightMaxKg * 1.5, 150), // Ensure scale is reasonable
grid: {
drawOnChartArea: false, // Don't draw grid lines for the main scale bar
}
},
y: {
display: false, // Hide Y-axis as it's not meaningful for this chart
beginAtZero: true
}
},
plugins: {
legend: {
display: true,
position: 'top',
labels: {
filter: function(legendItem, chartData) {
// Filter to show only relevant legend items
return legendItem.datasetIndex === 1 || legendItem.datasetIndex === 0; // Show Current Weight and Healthy Range Legend
}
}
},
tooltip: {
callbacks: {
label: function(context) {
var label = context.dataset.label || '';
if (label) {
label += ': ';
}
if (context.parsed.x !== null) {
label += context.parsed.x.toFixed(1) + ' kg';
}
return label;
}
}
}
},
layout: {
padding: {
top: 20,
left: 10,
right: 10,
bottom: 10
}
}
}
});
// Draw range lines manually if needed or adjust dataset types
// With current setup, showing the range as a conceptual bar might be tricky with points.
// Let's simplify: Use points for min/max healthy weight and current weight.
// Update datasets to reflect this better.
// Re-doing chart structure for clarity
if (chart) {
chart.destroy();
}
var heightM = heightCm / 100;
var currentWeightKg = parseFloat(document.getElementById('currentWeightKg').value);
var weightMinKg = 18.5 * (heightM * heightM);
var weightMaxKg = 24.9 * (heightM * heightM);
var bmi = currentWeightKg / (heightM * heightM);
var chartMaxWeight = Math.max(weightMaxKg * 1.5, currentWeightKg * 1.2, 150); // Dynamic max
chart = new Chart(weightChartCanvas, {
type: 'scatter', // Use scatter plot to place points precisely
data: {
datasets: [{
label: 'Healthy Weight Range',
data: [
{ x: weightMinKg, y: 1 },
{ x: weightMaxKg, y: 1 }
],
backgroundColor: 'rgba(40, 167, 69, 0.7)', // Green
borderColor: 'rgba(40, 167, 69, 1)',
pointRadius: 5,
pointStyle: 'line', // Use line style to connect min/max
tension: 0, // Straight line
showLine: true
},
{
label: 'Current Weight',
data: [{ x: currentWeightKg, y: 1 }],
backgroundColor: 'rgba(0, 74, 153, 1)', // Primary Blue
borderColor: 'rgba(0, 74, 153, 1)',
pointRadius: 8,
pointHoverRadius: 10
}]
},
options: {
responsive: true,
maintainAspectRatio: false,
scales: {
x: {
title: { display: true, text: 'Weight (kg)', color: 'var(–dark-gray)' },
min: 0,
max: chartMaxWeight,
grid: {
color: 'rgba(0,0,0,0.1)'
}
},
y: {
display: false, // Hide Y axis
min: 0,
max: 2 // Arbitrary y-range to position points
}
},
plugins: {
legend: {
display: true,
position: 'top'
},
tooltip: {
callbacks: {
label: function(context) {
var label = context.dataset.label || '';
if (label) {
label += ': ';
}
if (context.parsed.x !== null) {
label += context.parsed.x.toFixed(1) + ' kg';
}
return label;
}
}
}
}
}
});
}
function copyResults() {
var mainResult = document.getElementById('resultHighlight').innerText;
var bmi = bmiValueDisplay.innerText;
var weightMin = weightMinDisplay.innerText;
var weightMax = weightMaxDisplay.innerText;
var bmr = bmrValueDisplay.innerText;
var heightCm = heightCmInput.value;
var currentWeightKg = document.getElementById('currentWeightKg') ? document.getElementById('currentWeightKg').value : 'N/A'; // Check if exists
var resultsText = "Men Body Weight Calculator Results:\n\n";
resultsText += "Current Weight: " + currentWeightKg + " kg\n";
resultsText += "Height: " + heightCm + " cm\n";
resultsText += "——————–\n";
resultsText += "Your Status: " + mainResult + "\n";
resultsText += "BMI: " + bmi + "\n";
resultsText += "Healthy Weight Range: " + weightMin + " – " + weightMax + " kg\n";
resultsText += "BMR: " + bmr + " kcal\n";
resultsText += "Assumptions: BMI calculation based on current weight and height. Healthy range based on BMI 18.5-24.9. BMR uses Mifflin-St Jeor equation.";
// Use a temporary textarea to copy to clipboard
var textarea = document.createElement("textarea");
textarea.value = resultsText;
document.body.appendChild(textarea);
textarea.select();
try {
document.execCommand("copy");
alert("Results copied to clipboard!");
} catch (err) {
console.error("Unable to copy results: ", err);
alert("Failed to copy results. Please copy manually.");
}
document.body.removeChild(textarea);
}
// Initial calculation on page load
document.addEventListener('DOMContentLoaded', function() {
// Ensure currentWeightKg input exists before calling calculateWeight
if (document.getElementById('currentWeightKg')) {
calculateWeight();
} else {
// If currentWeightKg is not in HTML, add a message or handle gracefully
console.warn("Current Weight input not found. BMI and status may not be calculated.");
resetResultsDisplay(); // Clear any default display
}
});