Pregnancy Week Converter

Convert pregnancy weeks to months, trimesters and days until due date.

Week of pregnancy (1–42):

–Month

–Trimester

–Days to 40 weeks

–Progress

How to use

Enter the week — month, trimester and countdown appear; everything runs in your browser.

Which month is week 20?

About month 5 — the tool shows months, trimester and progress.

Is this medical advice?

No — a simple week converter. Follow your doctor's guidance for care.

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