What does the Pregnancy Calculator work out?

How far along you are and the milestones ahead. It is one of the Health & Fitness tools on Mondo Knows.

How is the Pregnancy Calculator calculated?

You get an instant answer with the working shown underneath.

Do I need to sign up, and is my data stored?

No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo Knows Tools

Pregnancy Calculator

How far along you are and the milestones ahead. Use the free pregnancy calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.

First day of last period

Average cycle length

days

Mondo says

Choose the first day of your last period.

Pregnancy Calculator: common questions

What does the Pregnancy Calculator work out?: How far along you are and the milestones ahead. It is one of the Health & Fitness tools on Mondo Knows.
How is the Pregnancy Calculator calculated?: You get an instant answer with the working shown underneath.
Do I need to sign up, and is my data stored?: No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo also knows

Due Date CalculatorEstimated due date from your last period.🌿 Health & Fitness Conception CalculatorLikely conception window from your dates.🌿 Health & Fitness Period CalculatorYour next few period start dates.🌿 Health & Fitness Pregnancy Weight Gain CalculatorThe recommended weight-gain range for your pregnancy.🌿 Health & Fitness

Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.