Geburtstermin-Rechner — Kostenloses Online-Tool
Entbindungstermin + Woche-für-Woche Trimester
Berechne den Geburtstermin aus letzter Periode oder Zeugungsdatum. Schwangerschaftsverlauf Woche für Woche. Ohne Anmeldung.
Educational tool only. For medical advice, always consult your doctor or midwife.
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Pregnancy due date calculator
Calculate estimated due date from last period, conception, or IVF transfer.
How to use this tool
- 1
Pick calculation method
LMP (last menstrual period) or conception date.
- 2
Enter date
LMP = Naegele rule (+280 days). Conception = +266 days.
- 3
See timeline
Due date, trimester, current week, milestones.
Frequently Asked Questions
How accurate is a due date?
Pregnancy 101: weeks vs trimesters
Wichtigste Punkte
- Pregnancy Due Date Rechner is a free, browser-based calculator tool — due date + week-by-week trimester.
- Nein signup, no downloads, no file uploads — your data stays on your device.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use Pregnancy Due Date Rechner
- Open the tool: Launch Pregnancy Due Date Rechner on Toololis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
Pregnancy Due Date Rechner — Quick Facts
- Preis
- Kostenlos — keine Limits, kein Wasserzeichen, keine Paywall
- Privatsphäre
- 100% browser-basiert — keine Daten verlassen dein Gerät
- Plattform
- Jeder moderne Browser — Desktop, Tablet, Mobil
- Kategorie
- Rechner Tools on Toololis
- Offline
- Works offline after first visit (Progressive Web App)
| Merkmal | Details |
|---|---|
| Tool | Pregnancy Due Date Rechner |
| Kategorie | Rechner |
| Anmeldung nötig | Nein |
| Datei-Upload | Keine — wird im Browser verarbeitet |
| Mobile-Unterstützung | Voll responsive |
| Kosten | Für immer kostenlos |
Why Use Pregnancy Due Date Rechner?
You should try Pregnancy Due Date Rechner for a quick, private way to due date + week-by-week trimester. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.