Daily Calorie Calculator

Estimate your maintenance calories and suggested targets for weight loss or weight gain.

Age Sex Height (cm) Weight (kg) Activity Level

Result
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How this calculation works

What each input means

Age, sex, height (cm), weight (kg) — Used in the Mifflin–St Jeor BMR estimate.
Activity level — Multiplies BMR: sedentary 1.2; light 1.375; moderate 1.55; very active 1.725; extra active 1.9.

Formula used

BMR (female): 10 × weight(kg) + 6.25 × height(cm) − 5 × age − 161

BMR (male): 10 × weight(kg) + 6.25 × height(cm) − 5 × age + 5

Maintenance = BMR × activity factor. Weight loss target = maintenance − 500 (not shown below 1200 kcal/day). Weight gain target = maintenance + 300.

Educational estimate only—not medical nutrition advice.

How this result is estimated

This daily calorie needs estimator applies the formulas described on this page to the values you enter. Outputs are not financial, tax, legal, or medical advice.

Inputs are user-provided and may include rounding.
Where accuracy, eligibility, or obligations matter, rely on official disclosures and licensed professionals.

Last reviewed: 2026-04-17

Frequently asked questions

Is this calculator result exact?

It is an estimate based on your inputs and may differ from official or provider-specific calculations.

Does this site provide financial, tax, or legal advice?

No. Each tool applies explicit formulas to values you supply. Financial, tax, and legal conclusions belong with licensed professionals and official documents.

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