Calculator tool
How this calculator works
The result depends on the numbers you enter and the assumptions shown below.
The explanation keeps health disclaimers visible and explains sustainable deficit ranges.
Review the inputs carefully and treat the output as an estimate. For decisions involving money, taxes, health, law, or security, compare the result with trusted professional guidance when needed.
Frequently asked questions
Is this medical advice?
No. It is an educational planning estimate, not medical advice.
Can activity level be included?
Use a maintenance-calorie estimate that already reflects your activity level.
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