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BMR Calculator

BMR Calculator

BMR Calculator

Your Results

BMR: 0 calories/day

Daily Calories: 0 calories/day

How to Use the BMR Calculator: A Step-by-Step Guide

1. Access the Calculator

  • Open the BMR Calculator in a web browser (works on desktop, tablet, and mobile).
  • You’ll see a clean interface with input fields and a purple “Calculate BMR” button.

2. Enter Your Details

Fill in the following fields:

Age

  • Type your age in years (e.g., 25).
  • Example: 30
  • Valid Range: 15–80 years (prevents unrealistic values).

Gender

  • Select Male or Female by clicking the radio button (purple circle).
  • Note: This is a required field.

Weight

  • Enter your weight in kilograms (e.g., 68.5).
  • Tip: Use decimals for precision (e.g., 65.5 kg).

Height

  • Input your height in centimeters (e.g., 175 cm).
  • Note: Do not include units (e.g., just type 170, not 170cm).

Activity Level

  • Choose your activity level from the dropdown menu:
    • Sedentary (little/no exercise)
    • Light exercise (1–3 days/week)
    • Moderate exercise (3–5 days/week)
    • Active (6–7 days/week)
    • Very active (hard exercise daily)
  • Example: Select “Moderate exercise” if you work out 4 days a week.

3. Calculate Your BMR

  • Click the purple “Calculate BMR” button.
  • Results will appear instantly below the form.

4. Interpret Results

The calculator shows two values:

  1. BMR (Basal Metabolic Rate):
    • Calories your body needs at rest (to maintain basic functions).
  2. Daily Calories:
    • Total calories needed based on your activity level.

Example Output:

  • BMR: 1,650.50 calories/day
  • Daily Calories: 2,558.28 calories/day

5. Adjust and Recalculate

  • To recalculate:
    1. Update any input field (e.g., change weight or activity level).
    2. Click the “Calculate BMR” button again.
  • Results refresh automatically.

Key Features

  • Responsive Design: Works seamlessly on all devices.
  • Input Validation: Automatically blocks non-numeric entries.
  • Privacy: No data is stored or sent to servers.

Tips for Best Results

  • Use decimals for weight (e.g., 70.5 kg).
  • Ensure a stable internet connection if hosted online.
  • Refresh the page to reset all fields.

FAQs

Q: What formula does this calculator use?
A: The Mifflin-St Jeor equation (most accurate for BMR calculation).

Q: Can I use pounds/feet instead of kg/cm?
A: No—this calculator requires metric units. Convert imperial units first.

Q: Why is gender required?
A: BMR formulas differ slightly for males and females.

Q: What if I select the wrong activity level?
A: Simply reselect the correct level and recalculate.

Need Help?

Contact support if:

  • The calculator doesn’t display results.
  • You see error messages.

This tool helps you understand your daily caloric needs for weight maintenance. Always consult a healthcare professional for personalized diet plans. 🍎💪

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