Convert Millistokes to Square millimetres per second
Convert Millistokes (mSt) to Square millimetres per second (mm²/s) instantly and accurately.
Conversion Formula
mm²/s = mSt × 0.1
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.
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.
Quick Reference Table
| Millistokes (mSt) | Square millimetres per second (mm²/s) |
|---|---|
| 1 mSt | 0.1 mm²/s |
| 2 mSt | 0.2 mm²/s |
| 5 mSt | 0.5 mm²/s |
| 10 mSt | 1 mm²/s |
| 25 mSt | 2.5 mm²/s |
| 50 mSt | 5 mm²/s |
| 100 mSt | 10 mm²/s |