The rule of nines helps to determine how much of a body surface area has been involved in burns (or anything else). Remember it’s the ‘rule of nines’ not of ninths, which would be different. Here’s how to assess.
Rule of Nines for Burns – diagram
So why does the rule of nines matter?
Any partial thickness burn over 9% needs an ambulance ride. Any superficial burn over 9% should probably see a doctor sometime soon. That’s a lot of yourself to burn! Not sure what’s superficial and what’s partial? See here!
Exceptions to the rule of Nines
The rule doesn’t apply to children under 22 lb (10 Kg) or to very obese people. In these cases there are other calculations, such as outlined on Wiki.
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