Calorie Calculator
Estimate daily calories for weight loss, maintenance, or gain.
This page is an editable estimator with realistic defaults so you can model your own situation in minutes.
Target calories are estimated from BMR times activity factor, then adjusted for the selected goal.
Treat the result as a planning estimate and verify important numbers with the relevant official source before acting.
| Activity factor | 1.6 |
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Assumptions
- Weight change requires consistent intake and expenditure over time.
- Do not use low calorie targets without professional guidance.
How this calculator works
Formula used
Target calories are estimated from BMR times activity factor, then adjusted for the selected goal.
Example calculation
Plug in your own numbers and the result updates instantly. Target calories are estimated from BMR times activity factor, then adjusted for the selected goal.
Calorie Calculator FAQ
Is this calorie calculator medical advice?
No. It is an educational estimate only and should not be used to diagnose, treat, or make medical, nutrition, legal, or emergency decisions.
Why might my real result be different?
Age, sex, body composition, pregnancy, medications, medical conditions, training status, lab methods, and measurement accuracy can all change real-world results.
Should I check these results with a professional?
Yes. Confirm health, nutrition, fitness, kidney function, alcohol, or safety decisions with a qualified professional or official source.