Parkland Formula Calculator (Burn Fluid)

Verified formula Updated Jun 2026 Private — runs on your device

Verified formula Private

Total fluid in first 24 hours

8,400

Given in first 8 hours: 4,200

For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.

How to use the Parkland Formula Calculator (Burn Fluid)

The Parkland Formula Calculator (Burn Fluid) works out your total fluid in first 24 hours, along with 1 related figure in an instant. Enter body weight and burned body surface area and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.

Enter the body weight.
Enter the burned body surface area.
Read off your total fluid in first 24 hours, together with given in first 8 hours — the calculator updates automatically, with no button to press.

Formula

The Parkland Formula Calculator (Burn Fluid) uses the formula:

Total fluid in first 24 hours = 4 × Body weight × Burned body surface area

Worked example

For example, with body weight of 70 kg and burned body surface area of 3%, the total fluid in first 24 hours is 8,400.

Inputs used
Body weight	70 kg
Burned body surface area	3%

Results
Total fluid in first 24 hours	8,400
Given in first 8 hours	4,200

Results are estimates for educational use, not professional advice.

Key terms explained

Body surface area: The total external area of the body, used in medicine to scale drug doses (BSA).
Surface area: The total area of all the outer faces of a three-dimensional object.
Area: The amount of two-dimensional space a shape covers, measured in square units.

Frequently asked questions

It estimates fluid for burn resuscitation: 4 mL × body weight in kg × percent body surface area burned, over the first 24 hours.

Half is given in the first 8 hours from the time of the burn, and the remaining half over the next 16 hours.

Lactated Ringer's solution is the usual choice for the Parkland regimen.

No. It is a starting point; fluids are then titrated to urine output and the patient's response under clinical care.

Enter the body weight. Enter the burned body surface area. Read off your total fluid in first 24 hours, together with given in first 8 hours — the calculator updates automatically, with no button to press.