Kinematic Viscosity Converter — Free Online Tool

Convert m²/s, mm²/s, cm²/s, stokes, centistokes and ft²/s. Kinematic Viscosity Converter is a free online tool from the ToolsRift Unit Converters collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.

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How to use Kinematic Viscosity Converter

  1. Open the Kinematic Viscosity Converter above — it loads instantly, no account needed.
  2. Enter or upload your input. Everything is processed locally on your device.
  3. Get your result immediately and copy or download it with one click.

Frequently asked questions

What is the kinematic viscosity of water?

Water at 20°C is about 1 centistokes (cSt) = 1 mm²/s = 1×10⁻⁶ m²/s.

How many centistokes in a stokes?

1 stokes (St) = 100 centistokes (cSt) = 1×10⁻⁴ m²/s.

What is kinematic viscosity?

It is dynamic viscosity divided by density, describing how fast a fluid flows under gravity.

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