Kinematic Viscosity Converter — m²/s, Stokes & Centistokes

Convert between square meters per second, stokes, centistokes, and square feet per second.

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How this conversion works. Every unit is converted through m²/s (SI) with exact factors from NIST Special Publication 811.

How to use

  1. Choose the units to convert from and to.
  2. Enter a value — the converted result updates instantly.
  3. Click Copy to copy the result to your clipboard.

Frequently asked questions

How do I convert centistokes to square meter per second?

1 centistokes = 1.0000e-6 square meter per second. Choose "Centistokes (cSt)" as From and "Square meter per second (m²/s)" as To, type a value, and the result updates instantly.

What is the relation between cSt and mm²/s?

They are identical: 1 cSt = 1 mm²/s exactly. ISO viscosity grades (ISO VG 46, etc.) quote mm²/s at 40 °C, which equals the cSt value.

How do I get kinematic from dynamic viscosity?

Divide dynamic viscosity by density: ν = µ/ρ. Water at 20 °C: 1.002 mPa·s ÷ 998.2 kg/m³ ≈ 1.004 cSt.

Is my data sent to a server?

No. Conversions run entirely in your browser using fixed factors — nothing is uploaded or logged.

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