Daily Calorie Needs

Estimate daily calories to maintain, lose or gain weight.

Sex

Age (years)

Height

Weight

Activity level

Goal

For adults aged 18 and over. Not suitable during pregnancy or for children. Results are estimates; individual needs vary.

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How this is calculated

Source: Mifflin MD, St Jeor ST et al. Am J Clin Nutr 1990;51:241–7; standard activity multipliers.

This tool gives general estimates for education. It is not a diagnosis and does not replace advice from a qualified healthcare professional.