Your eligibility to give blood depends, among other factors, on your medical condition and past behaviors. Individuals who are at least 17 years old (16 with parental permission in some states), meet height and weight requirements (at least 110 pounds based on height) and are in good general health may be eligible to donate blood. Red Cross donor card or positive ID required. Call 1-800-GIVE LIFE (1-800-448-3543) for more information.

Whole blood donors can safely donate blood every 56 days. Double red cell donors can safely donate blood every 112 days*.

To find out more about eligibility requirements prior to donating blood, please call 1-866-236-3276.

To calculate the date at which you are eligible to give again, please enter the date of your last donation in the calculator below. Please be sure to indicate whether you are a Whole Blood or Double Red Cell donor.

* Please note if you’re a Double Red donor your eligibility period may be longer than 112 days depending on your donation history.