Pregnancy Due Date Calculator
Calculate estimated due date based on days since last menstrual period.
The Pregnancy Due Date Calculator below works out your result the moment you type — no sign-up, no cost. A quick, private way to check the numbers that matter to your health. Enter days since last period and the total updates live.
How the pregnancy due date calculator works
Just fill in the fields above — days since last period — and the pregnancy due date calculator does the maths instantly. Nothing is sent anywhere; the calculation happens right in your browser.
Want this pregnancy due date calculator on your own site?
Add it free with RGT Quote Builder — a drag-and-drop WordPress calculator plugin with 100+ ready-made templates and no paywall.
FAQ
Is the pregnancy due date calculator free?
Yes — completely free to use, with no account and no limits.
Can I add this pregnancy due date calculator to my WordPress site?
Yes. Install the free RGT Quote Builder plugin, pick the Pregnancy Due Date Calculator template, and drop it onto any page with a shortcode or block.
Can I customise the fields and pricing?
Absolutely — every field, price and formula is editable in the drag-and-drop builder.