Nusselt Number
Calculate Nusselt Number instantly with the exact formula and a worked example.
Nusselt Number
h, W/(m²·K)
L, m
k, W/(m·K)
Nu (Nusselt)
166.6667
Nu (Nusselt)
166,667
More about: Nusselt Number
What it calculates
The “Nusselt Number” calculator computes Nu (Nusselt) from 3 parameters: h, w/(m²·k), l, m, k, w/(m·k).
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters h, W/(m²·K) = 100, L, m = 1, k, W/(m·K) = 0.6 the result is 166.67 (Nu = h·L/k).
How to use
- Enter h, w/(m²·k), l, m and k, w/(m·k) — each field above is adjustable with a slider.
- Nu (Nusselt) 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 Nusselt Number calculated?
The Nusselt Number calculator computes Nu (Nusselt) from h, w/(m²·k), l, m, 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 Nusselt 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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