Blood Type Compatibility
Check blood type compatibility for transfusion and donation
Can Donate To (4 types)
- ✗O-
- ✓O+
- ✗A-
- ✓A+
- ✗B-
- ✓B+
- ✗AB-
- ✓AB+
Can Receive From (2 types)
- ✓O-
- ✓O+
- ✗A-
- ✗A+
- ✗B-
- ✗B+
- ✗AB-
- ✗AB+
Full Compatibility Matrix
Rows = Recipient, Columns = Donor
| R \ D | O- | O+ | A- | A+ | B- | B+ | AB- | AB+ |
|---|---|---|---|---|---|---|---|---|
| O- | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ |
| O+ | ✓ | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ | ✗ |
| A- | ✓ | ✗ | ✓ | ✗ | ✗ | ✗ | ✗ | ✗ |
| A+ | ✓ | ✓ | ✓ | ✓ | ✗ | ✗ | ✗ | ✗ |
| B- | ✓ | ✗ | ✗ | ✗ | ✓ | ✗ | ✗ | ✗ |
| B+ | ✓ | ✓ | ✗ | ✗ | ✓ | ✓ | ✗ | ✗ |
| AB- | ✓ | ✗ | ✓ | ✗ | ✓ | ✗ | ✓ | ✗ |
| AB+ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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About This Calculator
The Blood Type tool helps you understand blood type donation and reception compatibility for red blood cell transfusions. It displays clear tables and a compatibility matrix showing which blood types can safely donate to and receive from each other. Understanding your blood type is important for medical emergencies and general health awareness. The tool covers the ABO blood group system and the Rh factor (positive and negative) in an easy-to-read format. It is a useful educational reference for students studying biology, healthcare workers reviewing transfusion guidelines, or anyone curious about how blood type compatibility works.
How to Use
- 1Select your blood typeChoose your ABO blood type and Rh factor (positive or negative).
- 2View compatibilitySee which blood types you can donate to and receive from.
- 3Review the matrixBrowse the full compatibility matrix for all blood type combinations.
Frequently Asked Questions
Q. What is the universal blood donor type?
Q. What does the compatibility matrix show?
Q. Why does Rh factor matter for blood transfusions?
Disclaimer: Results are for informational purposes only and do not constitute professional advice. Always consult qualified professionals for important decisions.