Pregnancy Test Calculator

Find out the best day to take a pregnancy test based on your cycle.

Pregnancy Test Calculator

App • Fertility & Cycle Tracking

🔒 100% Private & On-Device

Track Your Cycle & Fertility Safely

Keep your ovulation, period, and fertility health private. No accounts, no ads, zero data tracking.

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When to take a Pregnancy Test

Find the most accurate day to take a pregnancy test based on your cycle.

Your Cycle

Enter the first day of your last period.

Cycle Length

Input your average cycle length.

Get Date

We'll tell you the earliest day you can test for accurate results.

Common Questions

Can I test before my missed period?

Some early response tests can detect hCG up to 6 days before your missed period, but accuracy is lower.

What is a false negative?

When you are pregnant but the test is negative because you tested too early.

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Pregnancy Test Calculator