calculator

Do you want to know your estimated due date?

To find out how far along you are, simply enter the date you started your last menstrual period into the due date calculator and click "Calculate!"

First Day of Last Menstrual Period: Required
Average Length of Cycle: Optional (22 to 45, default: 28 days)
Average Luteal Phase Length: Optional (9 to 16, default: 14 days)

By entering the average length of your menstrual cycle and your average
luteal phase length (if you know them), you can increase the accuracy of the estimate.

NOTICE: Please read the estimate accuracy and terms of use disclaimer below.

Estimated Date of Conception ...... +/-
Estimated Due Date ...................... +/-
Estimated Fetal Age ...................... +/-

Disclaimer:
The due date calculator is subject to error and is provided for educational purposes only. The information provided is not guaranteed to be accurate and should not be relied upon. Only your physician or other healthcare provider can accurately calculate your estimated due date. Information provided here is not intended to be a substitute for professional medical care or advice. Use of the due date calculator indicates your acceptance of these terms.

Due date calculator provided by The JavaScript Source.