Calculators

Quiet tools, genuinely useful.

Nine partner-friendly pregnancy calculators. If you only know the due date — start with “Current Week (from Due Date)”. Everything below is educational, not a medical opinion.

Due Date Calculator

First day of last menstrual period

These calculators are educational. They are not a substitute for advice from your doctor, midwife or healthcare team. Sources include NHS, HSE, CDC and ACOG.

Ready for week-by-week guidance?

Open weekly journey