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Life dates / Free tools
Pregnancy due date estimator
Estimate a due date and pregnancy week from the first day of your last period.
Transparent coverageNo sign-up to calculateCalendar estimates only; not medical advice or confirmed appointments.
02Life dates
01 / Calculation details
Calculate
Inputs are used for this request only and are not saved in the database.
02 / Your result
Enter the details to see your estimate.
Inputs are used for this request only and are not saved in the database.
DAYCALO / Transparent coverage
Know what the result knows.
The estimate starts from the last menstrual period, uses 280 days and adjusts for cycle length.
A due date is an estimate, not a diagnosis. Your clinician or ultrasound may give a different date.
Inputs are used for this request only and are not saved in the database.