Due Date Calculator by Ultrasound

Estimate your pregnancy due date using the gestational age recorded on an ultrasound scan.

Enter your ultrasound details

Use the scan date and gestational age shown on your ultrasound report.

Ultrasound date

Gestational weeks12 weeks

4 weeks42 weeks

Additional days0 days

Use the gestational age written on your ultrasound report. Your clinician may use specific ultrasound dating criteria to determine the official due date.

USultrasound

Your estimated due date will appear here

Enter your scan date and gestational age to calculate the estimated pregnancy timeline.