Calorie Calculator

BMR and TDEE estimates.

Theme

Private by design: This tool runs in your browser — your data is not uploaded.

For information only — not medical advice.

How to use Calorie Calculator

A 30-year-old woman, 165 cm, 65 kg, moderate activity might need ~2,000 kcal/day to maintain weight — BMR × activity factor.

Step-by-step

  1. Enter sex, age, height (cm), and weight (kg).
  2. Choose activity level.
  3. Read BMR and estimated daily calories (TDEE).

Common questions

Which formula is used?
Mifflin-St Jeor for BMR, multiplied by standard activity factors.
Is this medical advice?
No. Estimates are for informational reference only.

Last updated: 2026-06-05