Reynolds Number Calculator

Enter value and click on calculate. Result will be displayed.

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Density (ρ) :
kg/m3
Velocity (V) :
m/s
Characteristic Length (I) :
m
Viscosity (μ) :
Ns/m2

Result :

What is Reynold's number?  Reynold’s number is a quantity that identifies the nature of the flow. The concept is named after Osborne Reynolds, a prominent British engineer and physicist.
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