CB
Health tool
Calorie Deficit Calculator
Estimate a daily calorie target from maintenance calories and your chosen deficit.
Instant useNo sign up, quick result.
Health focusedBuilt for quick calorie planning estimates.
Related next stepsJump to nearby health tools after.
Use the calorie deficit calculator
Calculate a daily calorie target from maintenance calories and your planned deficit.
Result: waiting for input
Enter your values to see the result.
Formula
Target calories = maintenance calories − daily deficit.
Example
If maintenance is 2,400 kcal and the deficit is 500 kcal, the target is 1,900 kcal per day.
Frequently asked questions
Can the deficit be too large?
Yes. Very large deficits may be hard to sustain, so treat this as a planning tool rather than medical advice.
What does the weekly gap show?
It multiplies your daily deficit by 7 to show the total weekly calorie gap.
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