Tool4SaaS

Calorie Calculator

Estimate daily calories, BMR and TDEE from age, sex, weight and activity. Get maintenance, deficit and surplu. 100% private and offline.

Basal Metabolic Rate (BMR)

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Mifflin-St Jeor: 10×kg + 6.25×cm − 5×age + 5
Total Daily Energy Expenditure (TDEE)

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TDEE = BMR × 1.2

Maintain weight

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Mild weight loss (−500 kcal)

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Weight loss (−1000 kcal)

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Mild weight gain (+500 kcal)

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About the author

Written and maintained by the Tool4SaaS team. Every tool runs locally in your browser and is tested in-house for accuracy. Last updated: .

Frequently asked questions

Mifflin-St Jeor: Men 10*kg+6.25*cm-5*age+5, Women -161. TDEE=BMR×activity factor.

No, for informational purposes only. Consult a healthcare professional.

Yes, BMR and TDEE math runs locally in your browser and stays private.

How to use Calorie Calculator

  1. Enter stats: Enter age, sex, weight, height and activity.
  2. View calories: See BMR, TDEE and calorie targets.
  3. Plan: Use deficit/surplus rows to plan intake.