Free · Health · Energy & Nutrition

Calorie Calculator

Estimate daily calories to maintain, lose, or gain weight from the Mifflin-St Jeor resting-energy equation.

  • Checked formula
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Calculator inputs

Enter your values

Result

Your calculation

Maintain weight
2,250 kcal/day
Gradual loss
1,750 kcal/day
About a 500 kcal daily reduction
Gradual gain
2,750 kcal/day
About a 500 kcal daily increase
Estimated BMR
1,452 kcal/day

Energy needs vary. The loss estimate is capped at 1,200 kcal/day and is not a personalized nutrition prescription.

How to use this calculator

  1. Enter current measurements as accurately as practical.
  2. Calculate to see the estimate, range, and method details.
  3. Use the result as context, and discuss health decisions with a qualified clinician.

Use the result with context

Health results are educational estimates, not a diagnosis or treatment recommendation. A qualified clinician can interpret measurements in the context of your health.