Blood Type Calculator
Calculate the possible blood types of your child based on parent blood types. This calculator uses Punnett square genetics to determine all possible outcomes with probability percentages.
Ready to Calculate Blood Types?
Select both parent blood types above to see all possible child blood types with probability percentages.
Example: If Parent 1 is A+ and Parent 2 is B+, their child could have AB+, A+, B+, O+, AB-, A-, B-, or O- blood type.
⚠️ A Friendly Reminder
Our calculator shows genetic possibilities based on Mendelian inheritance—think of it as an educational preview, not a diagnosis! 🧬 Real blood types can only be confirmed through proper medical testing. Also, please note: blood type genetics cannot determine paternity or replace conversations with genetic counselors. When it comes to health decisions, always trust your healthcare provider's expertise over any online tool.