Free Tool

How many calories should you be eating?

Pop in your details and we'll work out your maintenance calories, plus a target for your goal — so you know exactly what to aim for each day.

BMR
Maintenance
Your Target
Protein (g)
Carbs (g)
Fat (g)

This calculator gives a general estimate using the Mifflin-St Jeor equation. It's a starting point, not medical advice — everyone's body responds differently, so adjust based on your own results over a few weeks, and check with a doctor or dietitian before making major changes.