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Parkland Formula Calculator

kg
%

Result

24h fluid mL5600
First 8h mL2800
Next 16h mL2800
↗ Health

Parkland Formula Calculator — free online calculator.

Formula

Total = 4 mL × weight (kg) × %TBSA; half over first 8 h from the time of the burn
  • Parkland Formula Calculator calculates its result from Weight (kg), Burned TBSA (%). It uses the formula Total = 4 mL × weight (kg) × %TBSA; half over first 8 h from the time of the burn. Change any input to recalculate the result instantly. This is an informational calculation and is not medical advice.
  • The main inputs are Weight, Burned TBSA. Enter them in the units and format shown in the calculator.
  • Use the measurement units shown beside each field. The result is an estimate and should be interpreted in context.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Parkland Formula

Inputs
  • Weight: 70 kg
  • Burned TBSA: 20 %

Using Weight (kg) = 70, Burned TBSA (%) = 20, the calculated result is 24h fluid mL: 5600 | First 8h mL: 2800 | Next 16h mL: 2800.

Sample result: Calculating…

Frequently asked questions

What does the Parkland Formula calculate?

Parkland Formula Calculator — free online calculator.

Which values should I enter?

Enter Weight, Burned TBSA using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Total = 4 mL × weight (kg) × %TBSA; half over first 8 h from the time of the burn.

Why might my result differ from another source?

Results can differ because measurement methods, rounding and assumptions vary. This calculator is an estimate and is not a medical diagnosis.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026