Prandtl Number
Calculate Prandtl Number instantly with the exact formula and a worked example. Free online calculator — no signup.
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 the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
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