Pregnancy Calculator
Date → Date
Calculate your estimated due date (EDD) and track trimester milestones.
About this tool
About Pregnancy Calculator
Pregnancy Calculator is a free, browser-based tool that lets you calculate your estimated due date (EDD) and track trimester milestones. It supports Date → Date. Everything runs locally on your device, so your files are never uploaded to a server. There's no sign-up, no watermark, and no limit — just open Pregnancy Calculator, add your input, and get results instantly.
How to use Pregnancy Calculator
1
Enter LMP date
Select the first day of your last menstrual period.
2
Set cycle length
Adjust your average cycle length if different from 28 days.
3
View milestones
See your estimated due date and trimester timeline.
Key features
Due Date Estimation
Quickly find your estimated date of delivery (EDD).
Trimester Timeline
Get a breakdown of when your first, second, and third trimesters begin and end.
100% Private
Pregnancy Calculator processes your data locally in the browser. Nothing is uploaded, tracked, or stored u2014 your files never leave your device.
Completely Free
Use Pregnancy Calculator as much as you want with no fees, no watermarks, and no hidden limits.
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