Due Date Calculator Online Free
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Calculate your baby's due date accurately.
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What is Due Date Calculator?
Calculate your pregnancy due date from last menstrual period, conception date, or ultrasound. Track pregnancy milestones. Our free online tool makes it easy to calculate pregnancy due date without installing any software. Simply use your browser to get started instantly.
Features
LMP-based calculation (Naegele rule)
Conception date method
Ultrasound date method
Current week and day
Trimester tracking
Key milestones timeline
How to Use Due Date Calculator
- 1Choose calculation method
- 2Enter the relevant date
- 3View due date and current progress
- 4Track upcoming milestones
Common Use Cases
- Pregnancy planning
- Prenatal care
- Birth preparation
Why Use Our Due Date Calculator?
Fast & Free
Instant results with no signup or payment required.
Secure & Private
All processing happens in your browser. We never store your files.
No Installation
Works on any device with a web browser. No software needed.