BMR Calculator

Developed by Hemant Parashar, B.Sc.

Calculate your Basal Metabolic Rate (BMR) — the number of calories your body needs at complete rest.

Medical Disclaimer

This tool is provided for educational and informational purposes only. The calculators do not constitute medical advice, diagnosis, or treatment. Always consult a qualified health professional regarding any medical conditions or weight management goals.

Gender

Ageyears

Heightftin

Weightlbs

BMR Results

Mifflin-St Jeor (recommended)

Harris-Benedict (revised)

TDEE by Activity Level

Sedentary (×1.2)

Light (×1.375)

Moderate (×1.55)

Active (×1.725)

Very Active (×1.9)

How to Use the BMR Calculator

Estimates Basal Metabolic Rate using Mifflin-St Jeor or Harris-Benedict formulas. Follow these instructions to compute your results accurately:

Enter your age, gender, height, and weight to calculate baseline metabolic burn.
Double-check all inputs to prevent calculation errors.
Results are processed instantly in your browser via client-side scripts.

Mathematical Formulas & Calculation Principles

The underlying calculations rely on the following mathematical logic:

            Harris-Benedict: BMR = 10 * weight (kg) + 6.25 * height (cm) - 5 * age (y) + s
          

Frequently Asked Questions (FAQ)

Q: What is BMR?

A: Basal Metabolic Rate (BMR) is the number of calories your body burns to maintain basic life-sustaining functions at complete rest.

This tool was developed and verified by Hemant Parashar, B.Sc. Graduate and part-time blogger, to provide free, high-accuracy mathematical resources for educational use. Complex parameters were verified by Hemant Parashar (Developer & Chief Editor).