Pregnancy Calculator

Enter your health information to calculate pregnancy metrics, due dates, and recommended weight gain

Enter Your Information

Fill in the information below to calculate your pregnancy metrics. All fields are optional, but more information provides more accurate results.

Health Information

Used to calculate your BMI and recommended weight gain during pregnancy.

Your age

Your current age in years

Height (cm)

Your height in centimetres

Pre-pregnancy weight (kg)

Your weight before pregnancy, used for BMI calculation

Current weight (kg)

Your weight now, to track weight gain

Pregnancy Dates

Enter at least one date to calculate your due date and current week. The most common method is using the first day of your last period.

Average Cycle Length (days)

Standard is 28 days. Adjusts due date calculation if your cycle is longer or shorter (range: 21-35).

First day of your last period

Most accurate way to estimate your due date

Conception date (optional)

Use this if you know your conception date (e.g., IVF, ovulation tracking)

Due date (optional)

If your doctor has already given you a due date

Current week

Automatically calculated from the dates above, or you can set it manually

Your results will appear here

Fill in at least one pregnancy date above and press Calculate to see your estimated due date, current week, trimester, and more.

This calculator provides estimates for informational purposes only and should not replace professional medical advice. Pregnancy duration varies between individuals. Please consult your healthcare provider for accurate assessment of your pregnancy dates and any medical concerns.