Daily Calorie Calculator

Estimate daily maintenance energy using the Mifflin-St Jeor equation and your chosen activity multiplier. This educational estimate is not a diet prescription or a guarantee of weight change. Calculate it clearly with Figur.

How the daily calorie calculator works

Estimate daily maintenance energy using the Mifflin-St Jeor equation and your chosen activity multiplier. This educational estimate is not a diet prescription or a guarantee of weight change.

Method and assumptions

Figur applies straightforward arithmetic to the values you enter. The calculation runs locally in your browser and is not stored.

  • The result depends on accurate inputs and units.
  • External factors, fees, taxes, or rules not requested by the calculator are not included.
  • Use the result as a planning estimate and verify any high-stakes decision.

Sources and references

No external data source is required: this calculator uses standard arithmetic and the values you enter.

Worked example

A 35-year-old man (sex code 2), 173 cm and 73 kg, selects moderate activity (1.55).

Estimated maintenance is 2,544 calories per day.

Frequently asked questions

What does maintenance mean?

It is an estimate of the calories that may maintain current weight over time, not an exact daily target.

Should I use this during pregnancy or illness?

Ask a qualified clinician or dietitian; energy needs can differ substantially in those situations.

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