CalcAxis/Health/Calorie Deficit
HealthUpdated · Aug 2026

Calorie Deficit Calculator

Model a conservative, moderate, or aggressive calorie target and projected weight-loss pace.

~30s to useFormula and inputs shown·2 FAQs
Start with your numbers

Calorie Deficit Calculator

Change the inputs that matter to your decision. Optional assumptions stay collapsed until you need them.

Energy plan

Use a current measurement and target so the result can show both a daily target and a rough timeline.

years
kg
kg
cm
Weight-loss planning scenario
Estimated daily calorie target
2,107 kcal/day

A 527 kcal daily deficit models about 0.5 kg/week at the selected assumptions.

Estimated TDEE2,633 kcal
Deficit527 kcal/day
Rough timeline14.6 weeks
The pace is only a model

Scale weight changes are not linear. Consider safety, nutrition quality, training, and clinical context rather than treating the target as a prescription.

Projection inputs
Current weight75.0 kg
Target weight68.0 kg
Estimated BMR1,699 kcal/day

This estimate uses a simplified energy-balance model and a 1,200 kcal/day floor for display. It is not appropriate for every person or medical situation.

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