Pregnancy Due Date Calculator

Estimate your baby's due date and track remaining days using the first day of your Last Menstrual Period (LMP).

Inputs

LMP Year

2,0202,100

LMP Month

112

LMP Day

131

Due Date Year

2,026

Due Date Month

Due Date Day

Days Until Due Date

112 days

\displaystyle \text{Due Date} = \text{LMP Date} + 280 \text{ days}

Standard medical estimation adds 40 weeks (280 days) to the first day of the last menstrual period, corresponding to the average gestational period.