Burn Area Calculator (Rule of Nines)

Estimate total body surface area burned using the Rule of Nines.
Enter the percentage of each body region burned to get TBSA and severity classification.

Head and neck (region = 9% TBSA) — % of region burned

Chest and abdomen, anterior (region = 18% TBSA) — % of region burned

Upper and lower back, posterior (region = 18% TBSA) — % of region burned

Right arm (region = 9% TBSA) — % of region burned

Left arm (region = 9% TBSA) — % of region burned

Right leg (region = 18% TBSA) — % of region burned

Left leg (region = 18% TBSA) — % of region burned

Perineum (region = 1% TBSA) — % of region burned

Burn Area Calculator (Rule of Nines)

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