Blood Type Compatibility Checker

Check blood transfusion and donation compatibility between blood types. ABO and Rh factor guide.

Donor Blood Type

Recipient Blood Type

Quick Reference Chart

Blood Type	Can Donate To	Can Receive From
O-	All types	O-
O+	O+,A+,B+,AB+	O+,O-
A-	A-,A+,AB-,AB+	A-,O-
A+	A+,AB+	A+,A-,O+,O-
B-	B-,B+,AB-,AB+	B-,O-
B+	B+,AB+	B+,B-,O+,O-
AB-	AB-,AB+	AB-,A-,B-,O-
AB+	AB+	All types

Frequently Asked Questions

Who is the universal blood donor?: O negative (O-) is the universal donor for red blood cells and can donate to all blood types.
Who is the universal blood recipient?: AB positive (AB+) is the universal recipient and can receive blood from all blood types.