Free nutrition tool

Energy Needs Calculator

Estimate your resting energy and maintenance needs, then see a separate goal-adjusted target. Each number is explained.

Age

Sex used in the equation

The standard equation uses male or female values. This is not a statement about identity.

Height

Weight

Activity level

Your goal

Does any of this apply to you?

Optional. We ask so we do not show a number that could be unsuitable. This stays in your browser.

I am pregnant or breastfeedingI have kidney disease or a prescribed protein limitI have concerns about disordered eatingI have diabetes treated with medication or insulinAnother condition affects how I should eat

Fill in the details to see three separate numbers: resting energy, maintenance and a goal-adjusted target.

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General nutrition information, not medical advice. Results are estimates. If you have a medical condition, take medication, are pregnant or are under 18, speak to a doctor or registered dietitian.