Tool

Calculate Your Daily Calorie Needs

Estimate maintenance calories and a gain or loss range from age, height, weight, activity, and goal. Mifflin–St Jeor educational estimate — not a diet prescription.

Age

SexMaleFemale

Activity Sedentary Light Moderate Active Very active

Height (cm)

Weight (kg)

Goal Maintain Weight Gain Weight Lose Weight Calculate

How this estimate is made

Uses Mifflin–St Jeor for resting energy, then an activity multiplier. A modest surplus or deficit is sketched from that maintenance figure.

See the medical disclaimer. Track a plan in the Fitkyn app. Browse all tools or health guides.

Frequently asked questions