Back to Dashboard Burns TBSA

Burns TBSA

Select the patient’s age group, then tap each burned area on the front and back Lund–Browder maps.

Open Burns CPM
Include partial-thickness and full-thickness burns only. Do not include isolated erythema.
Total body surface area 0%
No burned areas selected

PHIFTEEN-B

Fluid resuscitation infusion rate from the calculated TBSA.

mL/hr
kg

Select an age to estimate paediatric weight. Ages 13 years and over require manual weight assessment.

An additional 200 mL/hr applies only when weight is greater than 100 kg.

Infusion rate — mL/hr

Enter the patient’s weight to calculate PHIFTEEN-B.

Formula: 15 mL/hr × TBSA rounded to the nearest 10%. Use when fluid resuscitation is indicated and confirm against the current QAS CPM.

Burned body areas

Tap a body area to add the whole region. Use the coverage buttons below the maps when only part of that region is burned.

Front

Front Lund–Browder body map Tap or keyboard-select a body region to include it in the burn estimate. Patient R Patient L

Back

Back Lund–Browder body map Tap or keyboard-select a body region to include it in the burn estimate. Patient L Patient R

Select a body area

Tap any region on the map to mark it burned and adjust how much of the region is involved.

0%

Selections stay on this device only until the page is closed or reset.

Method: Lund–Browder chart. Source: QAS Clinical Practice Guideline: Burns, CPG_TR_BU_0326 (March 2026), cross-checked against the CALHN Minor Burn Management Guidelines (June 2025). The age-10 half-thigh uses the standard 4.25% value so the full age column totals 100%.