Gender Calculator

The Gender Calculator helps users predict the baby’s gender using the Chinese Calendar method, estimate the baby’s due date, and determine the gestational age based on the mother’s birth date, conception date, last menstrual period, and maternal age at conception.

Use Our Gender Calculator

How to Use the Gender Calculator

The Gender Calculator provides predictions based on various inputs related to the mother’s details and timing of conception. Follow the guide below to utilize the calculator efficiently.

Step 1: Enter Mother’s Birth Date

Begin by entering the birth date of the mother. This field is mandatory.

  • Required Format: Date (YYYY-MM-DD)
  • Validation: The date must be between January 1, 1950, and December 31, 2024.

Step 2: Specify the Conception Date

Provide the date of conception. This is also a required field.

  • Required Format: Date (YYYY-MM-DD)
  • Validation: The date should fall between January 1, 2023, and December 31, 2024.

Step 3: Enter the Last Menstrual Period

Fill in the date of the last menstrual period. This information is necessary for calculating the due date.

  • Required Format: Date (YYYY-MM-DD)
  • Validation: The date must be from January 1, 2023, to December 31, 2024.

Step 4: Specify the Mother’s Age

Enter the age of the mother at the time of conception. This field is crucial for determining the Chinese Calendar Prediction.

  • Required Input: Number
  • Placeholder Text: Enter age
  • Validation: Age must be between 16 and 50 years.

Step 5: Select the Lunar Month of Conception

Select the lunar month in which conception occurred. This input is vital for the Chinese Calendar Prediction.

  • Options Available: January (1) through December (12)
  • Validation: This selection is mandatory.

Understanding the Results

Chinese Calendar Prediction

The calculator will provide a gender prediction based on the Chinese calendar:

  • Calculation Logic: If both the lunar month and maternal age are even, or both are odd, the prediction is “Girl”. Otherwise, the prediction is “Boy”.
  • Output Format: Percentage probability

Expected Due Date

Using the last menstrual period date, the calculator estimates the due date:

  • Calculation Logic: Adds 280 days (typical gestation period) to the last period date.
  • Output Format: Date in YYYY-MM-DD format

Gestational Age

Measure the gestational age based on the conception date:

  • Calculation Logic: Calculates the number of days from the conception date to the current date.
  • Output Format: Number of days

By following these steps and understanding the calculations, you can make the most of the Gender Calculator’s features.