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Calorie & TDEE
Calories
Age, sex, height, weight, activity — maintenance and simple goal lines.
Runs in your browser. Numbers stay on this device — nothing is uploaded to BrowserSpaces for processing.
BMR + TDEE
Resting and daily burn estimate.
Activity levels
Sedentary through extra active.
Goal calories
Approx. ±0.5 kg/week.
Use the calculator
BMR (kcal/day)
1669
TDEE maintain
2587
Lose ~0.5 kg/wk
2087
Gain ~0.5 kg/wk
3087
How it works
How calories are estimated
BMR uses Mifflin–St Jeor. TDEE multiplies by an activity factor. Goal lines subtract/add ~500 kcal/day as a rough 0.5 kg/week guide.
Before you start
- Estimates only — not medical advice.
- Food tracking still needs real portions.
Three steps
- 1
Body stats
Age, sex, height, weight.
- 2
Activity
Pick the closest level.
- 3
Read targets
Maintain, lose, or gain.