The output is a starting estimate, not a measured energy requirement.
Health calculator
TDEE and Calorie Calculator
Compare maintenance calories with gentle ten-percent planning adjustments.
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No account. Formula and assumptions are shown below.
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TDEE calories details
Formula & disclaimer
Estimated Daily Calories = Mifflin–St Jeor Resting Energy × Selected Activity Factor
View assumptionsFormula reviewCalcs at Hand Editorial TeamVerified 28 August 2026 · automated checks included
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Result—
Projection
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Formula & details
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How to read this result
Three useful checks, kept deliberately short.
A 35-year-old woman, 68 kg, 165 cm and moderately active: Estimate resting energy with Mifflin–St Jeor · Multiply by the moderate activity factor.
Track body-weight and wellbeing trends over several weeks before making small adjustments; clinical needs require professional guidance.
Formula and assumptions
Estimated Daily Calories = Mifflin–St Jeor Resting Energy × Selected Activity FactorPredictive equations and activity factors can differ substantially from an individual's real energy use.
Keep in mind: For adult planning only. This estimate is not medical advice or a clinical nutrition prescription.
Official sourcesMifflin–St Jeor original study ↗
Produced byCalcs at Hand Editorial Team
Last formula check28 August 2026
Review methodKnown examples + boundary cases
Editorial and correction policy →