Do I need to sign up?

No. The tool works without an account.

Are my data uploaded?

Compatible operations run locally in the browser.

A common rule is ~7700 kcal per kg of body weight. Daily deficit = (weekly kg change × 7700) / 7.

Most people aim for 500 kcal/day (about 0.5 kg/week). Consult a professional for personalized advice.

Estimate daily calorie deficit or surplus based on your TDEE and target weight change.

Recommended calories

1450 kcal

Daily deficit of 550 kcal

TDEE (kcal/day)Weekly change (kg)

Positive = loss, negative = gain

Examples

TDEE 2000, 0.5 kg/week → ~1450 kcal (deficit ~550)

TDEE 2500, -0.25 kg/week → ~2750 kcal (surplus ~275)

Loading tool…

Recommended next step

After using Calorie Deficit Calculator, continue with BMI Calculator.

Tools selected to complete the same task.

4 steps

Tool guide

Practical information to understand the result and use this tool correctly.

Estimate daily calorie deficit or surplus based on your TDEE and target weight change.

The tool runs directly in the browser for immediate results.

Do I need to sign up?: No. The tool works without an account.
Are my data uploaded?: Compatible operations run locally in the browser.
How is the deficit calculated?: A common rule is ~7700 kcal per kg of body weight. Daily deficit = (weekly kg change × 7700) / 7.
What is a safe deficit?: Most people aim for 500 kcal/day (about 0.5 kg/week). Consult a professional for personalized advice.