How to Find Out Your Blood Type

Reviewed for accuracy4 min read

Not knowing your blood type is common, but confirming it is simpler and more affordable than many people expect.

Donating blood

Blood donation centers typically inform donors of their blood type as part of the donation process, at no cost.

Asking your doctor

Your blood type may already be on file from previous bloodwork, or your doctor can order a simple test.

At-home test kits

Several at-home blood type test kits are available and provide results within minutes, though a lab test remains the gold standard for certainty.

Key takeawayDonating blood, asking your doctor, or using an at-home test kit are all simple, affordable ways to confirm your blood type.
Our team recommends

Blood type test kit

A convenient way to find out your blood type at home.

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This content is for educational and theoretical purposes only and is not a substitute for professional medical or nutritional advice. Blood type diet theory has limited rigorous scientific support.