Uitgerekende Datum Berekenen — Gratis online tool
Uitgerekende datum + week-voor-week trimester
Bereken de uitgerekende datum vanaf je laatste menstruatie of conceptiedatum. Met week-voor-week zwangerschapstijdlijn. Gratis.
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
Belangrijkste punten
- Pregnancy Due Date Rekenmachine is a free, browser-based calculator tool — due date + week-by-week trimester.
- Nee signup, no downloads, no file uploads. Tools run in your browser; the few that need an outside service say so on the page.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use Pregnancy Due Date Rekenmachine
- Open the tool: Launch Pregnancy Due Date Rekenmachine 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 Rekenmachine — Quick Facts
- Prijs
- Gratis — geen limieten, geen watermerk, geen paywall
- Privacy
- Wordt in je browser verwerkt. Tools die een externe dienst nodig hebben, vermelden dat op de pagina. Paginabezoeken worden geteld (Google Analytics).
- Platform
- Elke moderne browser — desktop, tablet of mobiel
- Categorie
- Rekenmachine Tools on Toololis
- Offline
- Works offline after first visit (Progressive Web App)
| Functie | Details |
|---|---|
| Tool | Pregnancy Due Date Rekenmachine |
| Categorie | Rekenmachine |
| Aanmelden vereist | Nee |
| Bestand uploaden | Geen — verwerkt in browser |
| Mobiel ondersteund | Volledig responsive |
| Kosten | Voor altijd gratis |
Why Use Pregnancy Due Date Rekenmachine?
You should try Pregnancy Due Date Rekenmachine for a quick, private way to due date + week-by-week trimester. Processing happens in your browser and files are never uploaded; the few tools that need an outside service say so on the page.
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.