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TDEE Calculator

Calculate total daily energy expenditure from BMR and activity.

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Clinical Accuracy

Grade A

Your Details

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Total Daily Energy Expenditure

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Fill in your details on the left to calculate your TDEE.

Fat Loss

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~0.45 kg/week deficit

Maintenance

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Sustain your weight

Muscle Gain

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Lean bulk surplus

Quick Reference

• BMR is calories at rest — no activity accounted for.

• TDEE = BMR × activity multiplier.

• A 500 kcal deficit yields ~0.45 kg/week fat loss.

• Re-calculate every 4–6 weeks as weight changes.

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Research Reference

biotechScientific Method

TDEE = BMR multiplied by activity coefficient based on weekly movement pattern.

Frankenfield D et al. (2005)

J Am Diet Assoc.

PMID: 15883556Read paperopen_in_new
Disclaimer: TDEE estimates are based on validated population equations and are not a substitute for individualised clinical nutrition advice. Factors like medical conditions, medications, and hormonal status affect actual expenditure.