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Calorie Calculator

Estimate maintenance calories from BMR and activity, then plan deficit or surplus targets for weight goals.

Your details

Enter your measurements to estimate basal metabolic rate.

Optional — enables Katch-McArdle formula

Your goal

Daily calories · Maintain weight

2,556kcal/day

Calorie target vs maintenance

Goal: Maintain weight

TDEE by activity level

Tap a bar or pill to set your activity level

Estimate only — not medical advice

Do not reduce calories by more than 1,000 kcal/day without medical supervision. Minimum: 1,200 kcal (women), 1,500 kcal (men).

Target · Maintain weight

2,556 kcal

TDEE: 2,556

How it works

Enter your inputs in the form. Results update as you change values.

Use the share button when available to copy a link with your current inputs so you can revisit or send the same scenario.

Frequently asked questions

Are these results official advice?
No. Calcuit tools provide estimates for education and planning. Confirm important decisions with a qualified professional.