Blood Type Calculator

Find out the probability of your child’s blood type with the free Blood Type Calculator. Is your baby’s blood group A, B, AB or O?

Calculate blood type

Mother's blood type :
Father's blood type:
The Probability that you're in Group A is:
%
The Probability that you're in Group B is:
%
The Probability that you're in Group AB is:
%
The Probability that you're in Group O is:
%
Child RH factor :
Calculate
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The Blood Type Calculator predicts the future blood group of your child using the information provided concerning both the mother’s and father’s blood type. Discover the probability of your baby’s blood type with the help of the free Blood Type Calculator.

Blood Type Calculator

Simply fill in the required fields of the Blood Type Calculator by selecting the blood type of the child’s mother and father. After clicking the calculate button, the Blood Group Calculator will display the probability of your child’s future blood group in the form of percentages. Find out if your baby will be in Blood Group A, B, AB or O with the Blood Type Calculator!