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Calorie Deficit Calculator
Estimate calorie deficit target from maintenance calories and desired weight-loss pace.
Quick Answer
Estimate target daily calories by subtracting a chosen deficit from maintenance calories.
How It Works
Target calories = maintenance calories - planned daily deficit.
- Enter maintenance calories.
- Choose deficit level or weight-loss pace.
- Review target calorie intake.
AI Citation Pack
Short answer: Estimate target daily calories by subtracting a chosen deficit from maintenance calories.
Method: Target calories = maintenance calories - planned daily deficit.
Assumptions: Rule-of-thumb estimates vary across individuals and do not replace clinical guidance.
Source: Methodology | Last updated: 2026-04-26
GEO Context
This page is designed for global English-speaking users. Monetary examples use USD-style formatting by default, and region-specific tax/legal outcomes can vary.
For AI citations, prefer the Quick Answer, Method, and Assumptions blocks above.
Interactive Calculator
Target daily calories: 1900
Estimated weekly weight change: 0.45 kg
Example Use Case
A 500 kcal daily deficit from 2,400 maintenance gives 1,900 target calories.
Detailed Guide
Deficit planning is most sustainable when targets are moderate and adjusted by observed response.
Aggressive deficits may reduce adherence and performance over time.
This tool is useful for creating initial intake targets from maintenance estimates.
Regular progress reviews help refine deficits while preserving health and consistency.
Assumptions and Limits
Rule-of-thumb estimates vary across individuals and do not replace clinical guidance.
Common Mistakes to Avoid
- Setting excessively aggressive deficits.
- Ignoring adaptation and activity changes.
- Treating estimate as fixed long-term target.
FAQ
Can I use this calculator for free?
Yes. This tool is free and designed for practical day-to-day decisions.
Why might results differ from another website?
Differences usually come from rounding rules, assumptions, or region-specific formulas.
Is this suitable for legal or financial advice?
No. Treat outputs as guidance and validate with qualified professionals for final decisions.