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Calorie Needs Calculator

Estimate daily calorie needs (TDEE) from Mifflin–St Jeor BMR × activity.

Runs in your browser — data never leaves your device

2556
BMR: 1649 kcal/day
TDEE: 2556 kcal/day
Activity: Moderately active (×1.55)

⚠️ Estimate via Mifflin–St Jeor. Does not reflect individual metabolism, illness, or medications. Not medical advice, diagnosis, or treatment — consult a doctor or dietitian.

About Calorie Needs Calculator

Total Daily Energy Expenditure (TDEE) is an estimate of daily calorie burn: BMR × an activity multiplier. This tool uses Mifflin–St Jeor for BMR, then applies common activity factors from sedentary to athlete. ⚠️ Population-based estimate only — not medical advice, diagnosis, or treatment. Consult a doctor or dietitian before changing your diet.

How to use

  1. Enter sex, age, height, and weight
  2. Choose activity level
  3. Review BMR and TDEE

FAQ

Is this medical advice?

No. ⚠️ Educational estimate only — not medical advice, diagnosis, or treatment.

Is my data sent anywhere?

No. All calculation runs in your browser.