Convert Microstokes to Square inches per second
Convert Microstokes (µSt) to Square inches per second (in²/s) instantly and accurately.
Conversion Formula
in²/s = µSt × 1.550003100e-7
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.
About Square inches per second
The square inch per second (in²/s) equals 0.0254² = 6.4516 × 10⁻⁴ m²/s. It is the coherent FPS kinematic unit based on the inch, found in US fluid power, hydraulics, and bearing-design references. 1 in²/s = 645.16 cSt = 6.4516 St.
Quick Reference Table
| Microstokes (µSt) | Square inches per second (in²/s) |
|---|---|
| 1 µSt | 1.55 × 10-7 in²/s |
| 2 µSt | 3.1 × 10-7 in²/s |
| 5 µSt | 7.75 × 10-7 in²/s |
| 10 µSt | 1.55 × 10-6 in²/s |
| 25 µSt | 3.875 × 10-6 in²/s |
| 50 µSt | 7.75 × 10-6 in²/s |
| 100 µSt | 1.55 × 10-5 in²/s |