Calorie calculator
BMR from mass, height, age, and sex, then multiplied by how much you move.
Defaults to your region. Switch to compare any other scale.
Current default for BMR in clinical calculators.
years
lb
Result
2,123
Daily target
kilocalories
- BMR1,370 kcal
- TDEE (maintenance)2,123 kcal
Estimate, not a prescription
Equations miss lean mass and hormones. A 500 kcal swing is common. Medical conditions need a clinician.
Formula
Male BMR = 10×kg + 6.25×cm − 5×age + 5Female BMR = 10×kg + 6.25×cm − 5×age − 161TDEE = BMR × activity
How it is calculated
- Enter sex, age, height, and weight (metric or imperial).
- Compute BMR with Mifflin–St Jeor.
- Multiply by the activity factor, then apply a deficit or surplus.
Questions
Why Mifflin–St Jeor?
It outperforms Harris–Benedict for most modern adults in validation studies and is the default in many clinical tools.