Calculateur de Date d'Accouchement — Outil en ligne gratuit
Date prévue + suivi semaine par semaine
Calcule la date d'accouchement depuis la dernière période menstruelle ou la date de conception. Suivi semaine par semaine. Gratuit.
Educational tool only. For medical advice, always consult your doctor or midwife.
📚 En savoir plus
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
À retenir
- Pregnancy Due Date Calculateur is a free, browser-based calculator tool — due date + week-by-week trimester.
- Non 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 Calculateur
- Open the tool: Launch Pregnancy Due Date Calculateur on Outilolis — 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 Calculateur — Quick Facts
- Prix
- Gratuit — sans limites, sans filigrane, sans paywall
- Confidentialité
- 100% dans le navigateur — aucune donnée n’est envoyée à un serveur
- Plateforme
- Tout navigateur moderne — desktop, tablette ou mobile
- Catégorie
- Calculateur Outils on Outilolis
- Hors ligne
- Works offline after first visit (Progressive Web App)
| Caractéristique | Détails |
|---|---|
| Outil | Pregnancy Due Date Calculateur |
| Catégorie | Calculateur |
| Inscription requise | Non |
| Téléversement de fichier | Aucun — traité dans le navigateur |
| Compatible mobile | Entièrement adaptatif |
| Coût | Gratuit pour toujours |
Why Use Pregnancy Due Date Calculateur?
You should try Pregnancy Due Date Calculateur 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.