Prandtl Number
Calculate Prandtl Number instantly with the exact formula and a worked example.
Prandtl Number
µ, Pa·s
c_p, J/(kg·K)
k, W/(m·K)
Pr (Prandtl)
6.9767
Pr (Prandtl)
6,977
More about: Prandtl Number
What it calculates
The “Prandtl Number” calculator computes Pr (Prandtl) from 3 parameters: µ, pa·s, c_p, j/(kg·k), k, w/(m·k).
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters µ, Pa·s = 0.001, c_p, J/(kg·K) = 4,186, k, W/(m·K) = 0.6 the result is 6.98 (Pr = μ·c_p/k).
How to use
- Enter µ, pa·s, c_p, j/(kg·k) and k, w/(m·k) — each field above is adjustable with a slider.
- Pr (Prandtl) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Prandtl Number calculated?
The Prandtl Number calculator computes Pr (Prandtl) from µ, pa·s, c_p, j/(kg·k), k, w/(m·k). Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Prandtl Number calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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