BloodTyper - Your Blood Type Reference
Comprehensive blood type information, calculators, and compatibility charts
Blood Type Calculator
Calculate possible blood types for your child based on parent blood types
Compatibility Chart
Interactive matrix showing blood donation compatibility for all types
Rarity Information
Discover how common or rare different blood types are worldwide
Blood Types
Detailed information about all 8 blood types
Rh Factor Guide
Understanding Rh positive and negative blood types
Universal Types
Learn about universal donors and recipients
How to Find Your Blood Type
4 easy methods to discover your blood type quickly
Mosquitoes & Blood Type
Why mosquitoes prefer Type O blood - scientific facts
Educational Blood Type Resources
Whether you're an expectant parent curious about your child's possible blood type, a student learning genetics, or preparing to donate blood, BloodTyper provides accurate, visual, and easy-to-understand information about blood type genetics and compatibility.