BMR Calculator – Calculate Basal Metabolic Rate & TDEE

BMR Calculator : Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) instantly. Plan your diet and weight goals accurately at DigitalCalculator.co.in.

BMR Calculator - Calculate Basal Metabolic Rate & TDEE | DigitalCalculator
Health & Fitness Tool

BMR & TDEE Calculator

Calculate your Basal Metabolic Rate and exact daily calorie needs to accurately plan for weight loss, maintenance, or muscle gain.

Body Metrics

Used to calculate your Total Daily Energy Expenditure (TDEE). Be honest about your activity level for accurate diet targets.

Basal Metabolic Rate

0

kcal/day

Calories burned at complete rest

Maintenance (TDEE)

0

kcal/day

Calories needed to maintain weight

Resting Energy (BMR) Active Energy

Daily Calorie Targets

Extreme Weight Loss (-1kg / wk) 0 kcal
Weight Loss (-0.5kg / wk) 0 kcal
Maintain Weight 0 kcal
Mild Weight Gain (+0.25kg / wk) 0 kcal
Provided by DigitalCalculator.co.in. Calculations use the highly accurate Mifflin-St Jeor equation. Nutritional needs vary; consult a registered dietitian before making extreme dietary changes.

Master Your Metabolism with the BMR Calculator

Whether you want to lose fat, build muscle, or maintain your current physique, the journey begins with understanding your metabolism. Use our BMR & TDEE Calculator to scientifically determine your body's energy requirements.

What is BMR (Basal Metabolic Rate)?

Your Basal Metabolic Rate (BMR) is the number of calories your body requires to accomplish its most basic (basal) life-sustaining functions if you were resting in bed all day. This includes breathing, circulating blood, controlling body temperature, and cell production.

Even if you do absolutely nothing all day, your body still burns calories. For most people, BMR accounts for about 60% to 75% of their total daily caloric expenditure. Your BMR decreases as you age, but increases with greater muscle mass.

What is TDEE?

Total Daily Energy Expenditure (TDEE) is an estimation of how many calories you burn per day when exercise and lifestyle activity are taken into account.

It is calculated by taking your BMR and multiplying it by an activity multiplier. Your TDEE is your "Maintenance Calorie" target. If you eat exactly your TDEE every day, your weight will not change. If you eat less, you lose weight; if you eat more, you gain weight.

Frequently Asked Questions

1. Which formula does this calculator use?
Our calculator uses the Mifflin-St Jeor equation. Introduced in 1990, it has been shown in clinical studies to be more accurate than the older Harris-Benedict equation. The American Dietetic Association officially recommends the Mifflin-St Jeor formula for estimating resting metabolic rate.
2. How many calories equal one pound of fat?
It is a widely accepted nutritional rule that one pound of body fat contains approximately 3,500 calories. (In metric, 1 kilogram of fat is roughly 7,700 calories). Therefore, to lose 1 pound a week, you need a caloric deficit of 500 calories per day (500 x 7 = 3,500).
3. Is it safe to eat below my BMR?
It is generally not recommended to eat below your BMR for extended periods without medical supervision. Your BMR is what your internal organs need to function. Eating below this can lead to muscle loss, a slowed metabolism (metabolic adaptation), fatigue, and nutrient deficiencies. Always create your deficit from your TDEE, not your BMR.
4. How do I calculate a caloric deficit for weight loss?
First, calculate your TDEE using the calculator. To lose weight at a safe, sustainable pace, subtract 10% to 20% from your TDEE. For example, if your TDEE is 2,500 calories, a 20% deficit means you should aim to eat 2,000 calories a day.
5. Why do men generally have a higher BMR than women?
Men typically have a higher muscle-to-fat ratio than women. Muscle tissue is highly metabolically active, meaning it burns more calories at rest than fat tissue does. Therefore, a man and a woman of the exact same weight and height will have different BMRs.
6. How can I increase my BMR?
The most effective way to permanently increase your Basal Metabolic Rate is to build lean muscle mass through strength and resistance training. Because muscle burns more calories than fat, adding muscle turns your body into a more efficient calorie-burning engine, even while you sleep.
7. Does calculating TDEE include calories burned during exercise?
Yes! When you select an "Activity Level" multiplier (like Moderately Active), it mathematically bakes your average exercise routine into the final TDEE number. Because your workouts are already accounted for, you should not "eat back" the calories your Apple Watch or Fitbit says you burned during a gym session.

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