Stepcare Health Tools
Pregnancy Weight Gain Calculator
See the healthy weight gain range for your stage of pregnancy, based on your pre-pregnancy BMI, and check whether you are on track week by week.
Your details
Before and now
Pre-pregnancy BMI22.7
CategoryNormal weight
Recommended total gain11.5 - 16 kg
Week 20 · gained so far
+5.0kg
Recommended by now
2.9 - 5.5 kg
On track
Your gain is inside the recommended range for this week.
Your gain vs the recommended band
kg gained by weekStill to gain
6.5 - 11.0 kg
to reach the recommended total
Healthy pace from here
0.33 - 0.55 kg
per week for the next 20 weeks
Ranges follow the IOM guidelines used in antenatal care. They are a guide, not a target to chase: swelling, twins, diabetes in pregnancy and thyroid conditions change what is healthy for you. Please discuss your weight at every antenatal visit.