TOOL-Pregnancy Weight Gain Calculator

PW

Pregnancy Weight Gain Planner

Personalized weekly targets using Institute of Medicine guidance — quick, actionable, and shareable.

Units Metric (cm, kg) US (ft/in, lb)

Body Height (cm)

Current Pregnancy Week

Weight Before Pregnancy (kg)

Weight Now (kg)

Height (ft)

Height (in)

Pre-pregnancy Weight (lb)

Current Weight (lb)

Current Pregnancy Week

Pregnant with multiples (twins) — adjusts recommendations

Tip: Use the download button on the results to save your week-by-week plan as CSV.

Note: This tool uses commonly accepted IOM-based guidelines to provide ranges. It does not replace medical advice. For personalised clinical care please consult your healthcare provider.

BMI (pre-pregnancy)

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Current Week

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Recommended at delivery (week 40)

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Total recommended gain

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Week-by-week recommended weight (kg)

Week	Recommended Weight Range	Recommended Gain (cumulative)