Enter your height, your weight before pregnancy and how many weeks pregnant you are. The calculator shows the recommended gain for your BMI and where you should be about now.
Last updated: · By Furkan Çetinkaya · About & Methodology
Recommended total gain
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This calculator gives a general estimate for adults and is not medical advice. Talk to a doctor or a registered dietitian before making health decisions.
The ranges follow the US Institute of Medicine guidelines: 12.5–18 kg for underweight, 11.5–16 kg for healthy weight, 7–11.5 kg for overweight and 5–9 kg for obese BMI (single baby).
Most weight is gained after the first trimester; in the first 13 weeks a gain of 0.5–2 kg is typical.
Gaining far more or less than advised can affect mother and baby. Talk to your midwife or doctor about your own target.
Baby, placenta, amniotic fluid, larger uterus and breasts, extra blood and fluid, and some fat stores.