hCG Doubling Time Calculator

Calculate how fast your hCG levels are doubling in early pregnancy.

hCG Doubling Time Calculator

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How to use the hCG Calculator

Enter two hCG test results and the time between them to see if your levels are doubling properly.

First Test

Enter your first hCG level.

Second Test

Enter your second hCG level taken 48-72 hours later.

Calculate

See your hCG doubling time in hours.

Common Questions

What is a normal hCG doubling time?

In early pregnancy, hCG levels typically double every 48 to 72 hours.

Can my hCG be too high?

High hCG can sometimes indicate multiple pregnancies (twins), but always consult your doctor.

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hCG Doubling Time Calculator