cCalmCalc
HEALTH

Pregnancy Calculator

Estimate Pregnancy with transparent assumptions.

Choose what you knowUse a menstrual, conception, due-date, ultrasound, or IVF date.
5 options
ESTIMATED DUE DATEOctober 8, 2026

Based on the last menstrual period. Educational estimate only; not medical advice.

Estimated due date
October 8, 2026
Estimated conception date
January 15, 2026
Estimated gestational start
January 1, 2026
Estimated second trimester
April 9, 2026
Estimated third trimester
July 16, 2026
Estimate based on the values shown
Formula checkedNaegele-style 280-day dating with cycle-length adjustment, plus conception, ultrasound, and IVF transfer methods.