The calculator gives you an estimate, a starting point and something to focus on. It is not a magical number so don't treat it as one. Try it for a few weeks, check your results and adjust accordingly. Goodluck!

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If you are breastfeeding it is recommended to add extra calories as seen below.

Exclusively breastfeeding add 500 extra calories.

Mostly breastfeeding add 400 extra calories.

Partially breastfeeding add 250 extra calories.

Women who are underweight, or did not gain sufficient weight during pregnancy should NOT be using such a calculator.


This Calorie Calculator is based on the Mifflin-St Jeor Equation which calculates basal metabolic rate (BMR), and its results are based on an estimated average. The basal metabolic rate is the amount of energy expended per day at rest.

For men:
BMR = 10 × weight (kg) + 6.25 × height (cm) - 5 × age (y) + 5

For women:
BMR = 10 × weight (kg) + 6.25 × height (cm) - 5 × age (y) - 161


Note: All values are estimates and do not guarantee weight maintenance, weight loss, weight gain, an adequate milk supply or sufficient calorie supply while breastfeeding. Accurate determination of the calories you burn can only be accomplished by individual physiological testing. Please contact your personal health care provider if you are unsure how many calories you should be consuming while pregnant or breastfeeding