Pregnancy Tools & Calculators

Find your most fertile days and plan conception with confidence.

Know when a test will be accurate — earliest, best, and definitive dates.

Estimate the days implantation may occur and when spotting is typical.

Calculate your due date from LMP, conception, IVF transfer or ultrasound.

Quickly see your exact week, day, trimester and baby’s size today.

IOM-based recommended weight gain by BMI category and week.

Cardiff-method movement tracking — tap the circle, count 10 kicks.

Time contractions accurately and know when to head to hospital.

Interactive 60-item list with progress tracking, saved in your browser.

SMP eligibility, dates, and total pay over 39 weeks of leave.

Traditional lunar chart — a fun prediction to share with friends.

Genetics-based probability chart for your baby’s likely eye colour.