Burns TBSA and Parkland Formula Calculator — Lund and Browder

Age Group
Adult≥15 yr
Child1–14 yr
Infant<1 yr
Drawing Tool
✏️ Draw
Burns
⬜ Erase
Size 20
0
% TBSA
Draw partial & full thickness only — never erythema
Patient Parameters
Lund & Browder 1944
Draw partial & full thickness burns.
Superficial (erythema) not included.
Head/thigh/leg % scale with typed age
(full 0/1/5/10/15/adult table), not just
the age-group tab — enter exact age.
Head: 0y 19% → Adult 7%
Thigh: 0y 5.5% → Adult 9.5%
Lower leg: 0y 5% → Adult 7%
Built and clinically reviewed by Dr Nirmalya Hore, NHS Emergency Physician · About
Clinically reviewed: July 2026 · v2026-07-09.1
More tools: ResusDoc home · IV Fluids · Paeds Drugs · Red Flags · Patient Leaflets
0.0
% TBSA
⚠️Do not draw superficial burns (simple erythema) — draw partial & full thickness only. Including erythema overestimates TBSA and fluid volumes.
0.0
% Total Body Surface Area
Draw partial & full thickness only — never erythema
Patient Parameters
Built and clinically reviewed by Dr Nirmalya Hore, NHS Emergency Physician · About
Clinically reviewed: July 2026 · v2026-07-09.1
ResusDoc home · IV Fluids · Paeds Drugs · Patient Leaflets
Fluid Protocol
🔥
Draw burns & enter weight
NBCG · ISBI · Parkland
Adults: 4mL/kg/%TBSA Hartmann's
(ATLS 10e: 2mL/kg adult, 3 child,
4 electrical; titrate to UO).
Paediatric: 3mL/kg/%TBSA + maint.
½ in 8h · ½ in 16h FROM BURN.
Target UO 0.5–1mL/kg/h adult;
1–1.5mL/kg/h child.
Colloid from 12h if UO poor.
IV fluids: ≥15% adult, ≥10% child.
Refer burns service: ≥3% adult,
≥2% child; face/hands/feet/
perineum, circumferential,
inhalation, chemical/electrical.
FOR REGISTERED PHYSICIANS ONLYClinical decision support only — always apply independent clinical judgement.