Calorie Deficit Calculator
Estimate a daily calorie target from maintenance calories and your chosen deficit.
Use the calorie deficit calculator
Calculate a daily calorie target from maintenance calories and your planned deficit.
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
Yes. Very large deficits may be hard to sustain, so treat this as a planning tool rather than medical advice.
It multiplies your daily deficit by 7 to show the total weekly calorie gap.
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Use the related tools below to compare scenarios, check supporting numbers or solve nearby tasks faster.
How to use the calorie deficit calculator
Calculate target cutting calories from maintenance calories and a chosen deficit. Use this page for a fast estimate, compare a few scenarios, and adjust the inputs until the result matches what you need to decide.
This tool also sits inside the CalcBeacon health cluster. That makes it easier to find from category pages, related tools, and supporting guides when you want to compare options.
Related tools
Use these related tools to compare nearby calculations and move to the next step faster.