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calculator.com

BMR calculator.

BMR & TDEE with Pie Chart

BMR & TDEE Tracker

Weight
Height
Age
Gender
Goal
BMR & Weekly TDEE will appear here
Weight suggestion appears here

What is BMR?

BMR (Basal Metabolic Rate) is the number of calories your body burns at rest to maintain basic life functions like breathing, circulation, and body temperature.

Our BMR Calculator helps you calculate your basal metabolic rate quickly and accurately. Knowing your BMR is the first step in planning weight loss, muscle gain, or maintaining your current weight.


How to Use the BMR Calculator

Using our basal metabolic rate calculator is very simple:

  1. Enter your age

  2. Select your gender

  3. Enter your height

  4. Enter your weight

  5. Click the calculate button

The calculator instantly shows your BMR result.

You can then use this value to estimate your daily calorie needs.


How BMR is Calculated (Formula)

The BMR is calculated using the Mifflin-St Jeor Equation, which is one of the most accurate formulas.

For Men:
BMR = (10 × weight in kg) + (6.25 × height in cm) − (5 × age) + 5

For Women:
BMR = (10 × weight in kg) + (6.25 × height in cm) − (5 × age) − 161

Our free BMR calculator online automatically applies this formula to give instant results.


BMR vs TDEE – What’s the Difference?

  • BMR = Calories burned at complete rest

  • TDEE (Total Daily Energy Expenditure) = BMR + physical activity

If you want a complete calorie breakdown, you can also use our:

Why BMR is Important for Weight Loss

Understanding your metabolism calculator results helps you:

✔ Plan a calorie deficit for weight loss
✔ Avoid under-eating
✔ Create a balanced nutrition plan
✔ Improve muscle-building strategy

For weight loss, you should consume fewer calories than your TDEE — not directly below your BMR.


Example of BMR Calculation

Example:

  • Age: 28 years

  • Weight: 70 kg

  • Height: 170 cm

  • Gender: Male

Estimated BMR: ~1,650 calories/day

This means the body burns approximately 1,650 calories daily at rest.


Benefits of Using Our BMR Calculator
  • Instant and free results

  • Based on scientific formula

  • Mobile-friendly design

  • Helps with diet planning

  • Supports fitness goals

Frequently Asked Questions (FAQs)

Q1: What does BMR mean?
BMR stands for Basal Metabolic Rate — the calories your body burns at rest.

Q2: Is this BMR calculator accurate?
Yes, it uses the Mifflin-St Jeor formula, which is scientifically recommended.

Q3: How do I increase my BMR?
You can increase BMR by building muscle, staying active, and improving diet quality.

Q4: Is BMR the same as daily calorie needs?
No. BMR is calories at rest. Daily needs depend on activity level.