Calculate your current pregnancy week and day based on your Last Menstrual Period (LMP).
Pregnancy Duration: 0 weeks, 0 days
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About This Calculator

This Pregnancy Week Calculator estimates how far along you are based on the first day of your last menstrual period (LMP). Pregnancy is measured in weeks and days from LMP.

How It Works

Enter the date of your LMP, click "Calculate", and the tool will show your current pregnancy duration. It uses the standard 40-week pregnancy timeline.

Advice

Use this calculator to track your pregnancy progress. Always confirm dates and milestones with your healthcare provider.

FAQs

What if I don’t know my LMP? Consult your doctor for an estimated date.
Is this exact? This is an estimate; pregnancy duration can vary.
Can I share results? Yes, use the copy, download, or share buttons below the result.