Enter your sex, age, weight, and height (metric or imperial), pick an activity level, and BMR plus TDEE update as you type.
Use the result to set a starting calorie target for maintaining, losing, or gaining weight - the loss and gain figures sit 500 kcal/day either side of your maintenance number. Everything runs locally in this browser tab; nothing is uploaded and no account is required.
TDEE & Calorie Calculator
Estimate daily calorie needs from sex, age, weight, height, and activity level.
Use this calculator when you want a calorie target for maintaining, losing, or gaining weight - it is not the same check as the BMI calculator (weight-for-height only, no calorie number).
Uses the Mifflin-St Jeor formula to estimate BMR (calories at rest), then applies your activity level to get TDEE (total daily energy expenditure) and a loss/gain target 500 kcal/day either side of that.
The calculation runs locally in the browser - no upload and no account.
Does not account for medical conditions, medications, or individual metabolic variation - this is a population-average estimate, not medical or nutritional advice.
Not sure this is the right fit for what you need right now? See when to use the TDEE & calorie calculator.
Frequently Asked Questions
What does TDEE & Calorie Calculator do?
Estimate daily calorie needs from sex, age, weight, height, and activity level.
When should I reach for tdee & calorie calculator?
Use it to set a starting calorie target for maintaining, losing, or gaining weight.
How is the calorie estimate calculated?
Uses the Mifflin-St Jeor formula for BMR, then applies an activity multiplier to estimate total daily energy expenditure (TDEE), with a loss and gain target 500 kcal/day either side of maintenance.