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Daily calorie calculator
Work out your basal metabolic rate with the Mifflin-St Jeor equation and multiply it by your activity level to see how many calories you burn a day. You also get a guide to losing or gaining weight at a moderate pace. It is an estimate for adults: it does not replace a nutrition or healthcare professional.
- Free with an account
- Mifflin-St Jeor equation
- Metric and imperial
- Enter your details
- Choose your activity
- Check your calories
HOW TO USE IT
Three steps.
Enter your details
Sex, age, height and weight. The equation uses sex because it changes energy use at rest.
Choose your activity
From sedentary to very active, based on the exercise and work of a normal week.
Check your calories
You will see your basal metabolic rate, the calories to maintain your weight and those to lose or gain at a moderate pace.
NEXT STEP
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Calorie calculator: common questions
Which equation does it use?
Mifflin-St Jeor (1990): 10 × weight in kg + 6.25 × height in cm − 5 × age, plus 5 for men or minus 161 for women. The result is multiplied by an activity factor from 1.2 to 1.9.
How much should I cut to lose weight?
The calculator shows moderate changes of 250 and 500 kcal a day. Below about 1,200 kcal (women) or 1,500 kcal (men), do it only under professional supervision.
Is it exact?
No. It is an average estimate and real needs vary from person to person. It does not apply to under-18s, pregnancy, breastfeeding or illness: ask a professional.
Is my data sent to a server?
No. The numbers, dates and names you type are calculated in your browser and are not sent to Cocuyo or to any third party.
Is it really free?
Yes. You can try it before signing up; to keep using it, we ask for a free account, with no subscription. It uses no credits and does not count toward your 30 welcome uses: it has no usage cap.
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