Pregnancy Calculator
Estimate your due date and key pregnancy milestones.
Accurate Date Math
Handles leap years, weekends, and varying month lengths.
Instant Results
Get your answer as soon as you click Calculate.
Private
All calculations happen right in your browser.
Frequently Asked Questions
How are business days calculated?
Business days exclude Saturdays and Sundays from the count.
Does it account for leap years?
Yes, all date math uses the JavaScript Date object which handles leap years automatically.
Is my data saved?
No, nothing is stored on a server. Calculations are performed client-side.