Is the nutrition calculator free?

Yes, it is free to use and requires no account.

What formula does it use?

It estimates BMR using the Mifflin-St Jeor equation, then multiplies by your activity level to estimate TDEE.

What can I calculate?

BMR, TDEE, daily calorie targets for weight loss, maintenance, or muscle gain, and recommended macronutrient splits.

Nutrition Calculator - BMR, TDEE & Daily Calorie Estimator

Calculate your Basal Metabolic Rate (BMR), Total Daily Energy Expenditure (TDEE), and personalized calorie and macronutrient targets.

What This Calculator Does

Calculate BMR using the Mifflin-St Jeor equation
Estimate TDEE based on your activity level
Get personalized calorie targets for weight loss, muscle gain, or maintenance
View recommended macronutrient splits (protein, carbs, fat)

How It Works

BMR is calculated using: (10 × weight in kg) + (6.25 × height in cm) - (5 × age) ± gender adjustment. TDEE multiplies BMR by your activity level (1.2 for sedentary to 1.9 for very active).

Free to use - no account required.