HCG to Weeks Calculator

This calculator estimates the gestational age of a pregnancy based on the level of human chorionic gonadotropin (HCG) in the blood.

Input Parameters

Calculation Results

Estimated Gestational Age

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Based on the HCG level and the date of the test, the estimated gestational age is calculated.
Formula used: Gestational age (weeks) = (log10(HCG) - 3) / 3.3

Where:
HCG: Human chorionic gonadotropin level in mIU/mL

HCG to Weeks Calculator Calculator Usage Guide

Learn how to use the HCG to Weeks Calculator calculator and its working principles

How to Use the Calculator

  1. Enter the HCG level in mIU/mL in the first input field.
  2. Enter the date of the test in the second input field.
  3. Click the "Calculate" button to get the estimated gestational age in weeks.
  4. Use the "Reset" button to clear all inputs and start over.

Understanding the Formula

The calculator uses the following formula to estimate the gestational age:

Gestational age (weeks) = (log10(HCG) - 3) / 3.3

This formula is based on the correlation between HCG levels and gestational age in early pregnancy.

When to Use This Calculator

This calculator is useful for healthcare providers and individuals to estimate the gestational age of a pregnancy based on HCG levels. It is particularly useful in early pregnancy when HCG levels rise rapidly.