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.

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