PlanetToolbox
Calorie Needs Calculator
Estimate BMR, maintenance calories, goal calories, activity multiplier, and weekly weight-change planning targets.
BMR
1,758 kcal
Maintenance
2,724 kcal
Target
2,724 kcal
Weekly change
Maintain
Calorie inputs
Estimate daily calorie needs
Calorie needs summary
- Resting estimate
- 1,758 kcal/day
- Activity multiplier
- 1.55x
- Goal adjustment
- 0 kcal/day
- Target calories
- 2,724 kcal/day
Assumptions
EquationUses the Mifflin-St Jeor resting energy estimate.
Planning noteActual needs vary with training, body composition, health status, and tracking accuracy.
Calorie needs notes
This calculator estimates daily energy needs from body size, age, sex, activity, and goal. Actual calorie needs can differ because of health status, lean mass, training, medications, tracking accuracy, and metabolic adaptation.