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Calorie Needs Calculator

Estimate daily energy needs using the Mifflin–St Jeor equation and activity level. Files and text are processed in your browser.

Estimate daily calorie needs

Estimated resting energy / day

1,370.3 kcal

Estimated maintenance / day

1,884.1 kcal

Uses the Mifflin–St Jeor equation with a general activity multiplier. This is a population estimate, not personalized nutrition or medical advice.

What is Calorie Needs Calculator?

Calorie Needs Calculator is a browser-based utility for estimate daily energy needs using the mifflin–st jeor equation and activity level.

How to Use Calorie Needs Calculator

  1. 1Enter or select your input using the controls below.
  2. 2Adjust the available options.
  3. 3Preview the result and download or copy it.

How Does Calorie Needs Calculator Work?

The tool processes your input locally in the browser and produces the result without uploading your content to a SunloopMedia server.

Frequently Asked Questions

How does the calorie estimate work?

It estimates resting energy using the Mifflin–St Jeor equation and multiplies by a general activity factor to estimate daily maintenance needs.

Is the estimate a diet prescription?

No. It is a broad estimate, not personalized nutrition or medical advice. Individual needs can differ substantially.

Is my input uploaded or stored?

No. This tool processes your input in your browser. SunloopMedia does not receive or store the content you enter here.

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