BMR Calculator
Calculate your Basal Metabolic Rate (BMR) and daily calorie needs based on your age, gender, height, weight, and activity level.
Step 1: Personal Details
Understanding BMR
Basal Metabolic Rate (BMR) is the number of calories your body needs to maintain basic physiological functions at rest, including breathing, circulation, and cell production.
Step 2: Activity Level
About Activity Multipliers
Your BMR is multiplied by an activity factor to estimate total daily energy expenditure (TDEE). This accounts for calories burned through physical activity and exercise.
BMR Calculation Results
Your Basal Metabolic Rate (BMR)
Daily Calorie Needs by Activity Level
| Activity Level | Description | Multiplier | Daily Calories | Weekly Calories |
|---|
Calorie Breakdown by Macronutrient
BMR Calculation Formula
Mifflin-St Jeor Equation (Most Accurate)
For men: BMR = 10 × weight(kg) + 6.25 × height(cm) – 5 × age(y) + 5
For women: BMR = 10 × weight(kg) + 6.25 × height(cm) – 5 × age(y) – 161
TDEE (Total Daily Energy Expenditure) = BMR × Activity Multiplier
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