Pregnancy Test Calculator

Free calculate pregnancy test accuracy. This is an educational tool only - always consult a healthcare provider.

Test Information

Typical: 97-99%

Typical: 97-99%

Estimated probability of being pregnant

Results

Enter test information to calculate probability

About Test Accuracy

  • • PPV: Probability test is correct if positive
  • • NPV: Probability test is correct if negative
  • • Higher prevalence = Higher PPV
  • • Always confirm with healthcare provider
  • • Follow-up testing may be needed