With our free birth date calculator, you can easily determine your expected delivery date. All you need is the first day of your last period and your cycle length. In addition, the calculator shows you in which Week of pregnancy (SSW) you are.

Most babies are born between 37 and 42 weeks of pregnancy. Unser Birth date calculator Not only does it show you the appointment, but also tips for Childbirth preparation.

A SSW calculator Show yourself which week you are in. A birth date calculator shows you when your baby will be born.

With our SSW calculator You can immediately see which week of pregnancy you currently have.

Based on the start of your cycle, a pregnancy calculator calculates which week of pregnancy you are in, when your baby could be born and which Pregnancy milestones expect you.

The calculation is carried out according to the so-called Naegele rule (280 days from the last period). But keep in mind: Only around 5% of babies arrive on the exact date. Read more about Childbirth and its signs in our guide.

If you have an irregular cycle, we recommend that you enter your average cycle length. If you want to calculate your ovulation, this will help you enter it more precisely.

If you would like to delve deeper into medical aspects of pregnancy and childbirth, we recommend the official information from Swiss Society of Gynecology and Obstetrics (SGGG). There, you'll find evidence-based recommendations on topics such as birth types, risks, screenings and much more.