health

Conception Calculator

Estimate conception date from due date or last menstrual period.

Inputs

Last Period Year

Last Period Month (1–12)

Last Period Day

Cycle Length (Days)

Ovulation DateJul 15, 2026

Fertile WindowJul 10, 2026 – Jul 16, 2026

Estimated Due DateApr 7, 2027

Pregnancy Length~280 days (40 weeks)

Recent Calculations

No calculations yet — results will appear here automatically.