Due Date Calculator

Calculate your estimated due date based on last menstrual period (LMP) or conception date.

Your Results

Estimated Due Date
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Current Week
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Days Remaining
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Trimester
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Progress

Key Dates

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Pregnancy Timeline

1st Trimester: Weeks 1-12
2nd Trimester: Weeks 13-26
3rd Trimester: Weeks 27-40
Full Term: 37-42 weeks

? Frequently Asked Questions

How accurate is this

This calculator uses standard formulas and provides accurate results for typical use cases. For professional or critical applications, always verify results with certified professionals or official sources.

Is this calculator free to use?

Yes, this Due Date Calculator is completely free to use with no registration required. You can use it as many times as needed without any limitations.

Can I use this on mobile devices?

Absolutely! This calculator is fully responsive and works perfectly on smartphones, tablets, and desktop computers.

How do I interpret the results?

The results are displayed clearly with appropriate units. Refer to the About This Calculator section for detailed information.