CalcBox

Daily Calorie Calculator

Calories you need daily

Sex
years
cm
kg
Calories / day to maintain
2,220
kcal
Mild loss (~0.25 kg/wk)
1,970 kcal
Loss (~0.5 kg/wk)
1,720 kcal
Gain (~0.5 kg/wk)
2,720 kcal
BMR (at rest)
1,620 kcal

For general information only. Not medical advice.

How it worksBMR (Mifflin-St Jeor) × activity factor = daily calories to maintain weight.

FAQs

How many calories do I need a day?

It depends on age, sex, height, weight and activity. This calculator estimates it using the Mifflin-St Jeor formula.

What is BMR?

Basal Metabolic Rate is the calories your body burns at complete rest to keep you alive.

How many calories should I cut to lose weight?

A gentle deficit of 250–500 calories a day is commonly suggested. Speak to a doctor or dietitian before a big change.