Age, weight and blood donation
The following criteria must be met by blood donors:
Age
You must be 18 years of age or older to give blood.
Weight
You must weigh 50 kg (110 lb) or more to give blood. If you’re a woman between 18 and 22 years old. See the minimum weight chart to find out whether you can give blood.
Frequently asked question
Contenu
The goal of the weight/height criterion is to ensure that no more than 15% of a donor’s estimated blood volume is collected.
Adverse effects are more likely to occur in donors with a lower blood volume.
For this reason, weight and height are factored in to determine whether you are eligible to donate.
Would you like to donate?
Want to help in some other way?