Convert Square millimetres per second to Microstokes
Convert Square millimetres per second (mm²/s) to Microstokes (µSt) instantly and accurately.
Conversion Formula
µSt = mm²/s × 10000
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 Microstokes
The microstoke (µSt) equals 10⁻¹⁰ m²/s, the smallest CGS subdivision of practical interest for kinematic viscosity. It covers extremely rarified or high-temperature gas viscosity and is rarely encountered outside theoretical research. The centistoke is the practical lower bound in most engineering work. 1 µSt = 10⁻⁶ St = 10⁻¹⁰ m²/s.
Quick Reference Table
| Square millimetres per second (mm²/s) | Microstokes (µSt) |
|---|---|
| 1 mm²/s | 10000 µSt |
| 2 mm²/s | 20000 µSt |
| 5 mm²/s | 50000 µSt |
| 10 mm²/s | 100000 µSt |
| 25 mm²/s | 250000 µSt |
| 50 mm²/s | 500000 µSt |
| 100 mm²/s | 1000000 µSt |