Blood Type Compatibility
Check blood type compatibility for donations and transfusions. Select your blood type to see who you can donate to and receive from. Interactive chart with all 8 blood types.
Full Compatibility Matrix (Red Cell Donation)
| Donor \ Recipient | A+ | A- | B+ | B- | AB+ | AB- | O+ | O- |
|---|---|---|---|---|---|---|---|---|
| A+ | Yes | -- | -- | -- | Yes | -- | -- | -- |
| A- | Yes | Yes | -- | -- | Yes | Yes | -- | -- |
| B+ | -- | -- | Yes | -- | Yes | -- | -- | -- |
| B- | -- | -- | Yes | Yes | Yes | Yes | -- | -- |
| AB+ | -- | -- | -- | -- | Yes | -- | -- | -- |
| AB- | -- | -- | -- | -- | Yes | Yes | -- | -- |
| O+ | Yes | -- | Yes | -- | Yes | -- | Yes | -- |
| O- | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Population Prevalence
How to Use the Blood Type Compatibility Chart
- Click on your blood type from the 8 options.
- See which blood types you can donate to (red cells).
- See which blood types you can receive from.
- View the full compatibility matrix below.
Key Facts
- O- is the universal red cell donor (can donate to all types)
- AB+ is the universal red cell recipient (can receive from all types)
- AB is the universal plasma donor
- O+ is the most common blood type (~37.4% of population)
Features
- Interactive blood type selector
- Donor and recipient compatibility display
- Full 8x8 compatibility matrix
- Population prevalence statistics
- 100% client-side -- no data sent to any server
Disclaimer:This tool is provided “as is” for informational and educational purposes only. Results may not be 100% accurate. ToolBird makes no warranties, express or implied, regarding the accuracy, reliability, or completeness of any output generated by this tool. This tool does not constitute professional, legal, financial, medical, or tax advice. Always consult a qualified professional for important decisions. By using this tool, you agree that ToolBird and its operators shall not be held liable for any damages, losses, or consequences arising from the use of this tool or reliance on its results. All processing occurs in your browser — we do not store, transmit, or access your data. Use at your own risk.