Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.
Rule of nines for burns
The size of a burn can be quickly estimated by using the "rule of nines." This method divides the body's surface area into percentages.
- The front and back of the head and neck equal 9% of the body's surface area.
- The front and back of each arm and hand equal 9% of the body's surface area.
- The chest equals 9% and the stomach equals 9% of the body's surface area.
- The upper back equals 9% and the lower back equals 9% of the body's surface area.
- The front and back of each leg and foot equal 18% of the body's surface area.
- The genital area equals 1% of the body's surface area.
Current as of: November 16, 2023
Author: Healthwise Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.
Current as of: November 16, 2023
Author: Healthwise Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.