Blood Type Calculator
Calculate possible blood types for a child based on parents' blood types
Parent 1
A+
Parent 2
B+
Possible Child Blood Types
AB+
52.7%
A+
17.6%
B+
17.6%
O+
5.9%
AB-
3.5%
A-
1.2%
B-
1.2%
O-
0.4%
Most likely: AB+ (52.7%)
Donation Compatibility (most likely type)
AB+ can donate to:
AB+
AB+ can receive from:
O-O+A-A+B-B+AB-AB+
Note: Probabilities are estimates based on Mendelian genetics. Actual blood type can only be confirmed through a blood test. This calculator assumes each possible genotype for a given phenotype is equally likely.