Free Pregnancy Calculator

Pregnancy Calorie Calculator

Find out how many extra calories you need during each trimester of pregnancy.

Calculate Now ↓

Enter your details

Based on pre-pregnancy weight and activity. Based on NICE and WHO guidelines.

Calorie needs during pregnancy

1

1st Trimester: +0–100 kcal

Calorie needs barely increase. Focus on folate, iron, and iodine.

2

2nd Trimester: +300 kcal

300 extra kcal/day. The baby is growing bones, muscles and organs rapidly.

3

3rd Trimester: +450 kcal

450 extra kcal/day. Baby gains most weight in the third trimester.

4

Breastfeeding: +500 kcal

Breastfeeding needs an extra 400–500 kcal/day above pre-pregnancy levels.

More calculators