Loading BMITool

Preparing your calculator and health tools…

BMITool · Free health calculator

Pregnancy Calculator

Estimate due date, gestational age, trimester and pregnancy timeline from the last menstrual period.

How this calculator works

Enter the requested measurements, review the calculation method and use the result as an estimate. The calculator page explains its assumptions and limitations before you make decisions from the number.

Related topics

pregnancy calculator · pregnancy due date · gestational age

Related calculators

Due Date Calculator · Ovulation Calculator · Pregnancy Week Calculator · IVF Due Date Calculator

Open Pregnancy Calculator