Convert Square millimetres per second to Millistokes

Convert Square millimetres per second (mm²/s) to Millistokes (mSt) instantly and accurately.

Square millimetres per second (mm²/s)
Millistokes (mSt)

Conversion Formula

mSt = mm²/s × 10

About Square millimetres per second

The square millimetre per second (mm²/s) equals 10⁻⁶ m²/s, numerically identical to 1 centistoke (cSt). It is the preferred SI-consistent expression: ISO 3104, DIN 51562, and ASTM viscosity standards all use mm²/s interchangeably with cSt. Water at 20 °C ≈ 1.004 mm²/s; SAE 10W-30 at 100 °C: 9.3-12.5 mm²/s. 1 mm²/s = 1 cSt.

About Millistokes

The millistoke (mSt) equals 10⁻⁷ m²/s. It appears in research on low-viscosity solvents, dilute polymer solutions, and light gases whose kinematic viscosity is in the sub-centistoke range. 1 mSt = 10⁻³ St = 0.1 cSt = 10⁻⁷ m²/s.

Quick Reference Table

Square millimetres per second (mm²/s)Millistokes (mSt)
1 mm²/s10 mSt
2 mm²/s20 mSt
5 mm²/s50 mSt
10 mm²/s100 mSt
25 mm²/s250 mSt
50 mm²/s500 mSt
100 mm²/s1000 mSt

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