Convert Millipascal-seconds to Poises
Convert Millipascal-seconds (mPa·s) to Poises (P) instantly and accurately.
Conversion Formula
P = mPa·s × 0.01
About Millipascal-seconds
The millipascal-second (mPa·s) equals 10⁻³ Pa·s and is numerically identical to the centipoise (cP). It is the standard unit in modern SI-based fluid-property tables. Water at 20 °C is ≈1.002 mPa·s; blood plasma ≈1.2 mPa·s; light mineral oil 20-60 mPa·s. 1 mPa·s = 10⁻³ Pa·s = 1 cP.
About Poises
The poise (P) equals 0.1 Pa·s (exact), defined in the CGS system as 1 g/(cm·s). Named after Jean Louis Marie Poiseuille, it was the dominant viscosity unit before SI adoption. Fluid-mechanics textbooks and older ASTM and API data tables still list viscosities in P. Motor oil at 100 °C is ≈0.02-0.05 P; water at 20 °C is ≈0.01 P (= 1 cP). 1 P = 0.1 Pa·s = 100 cP.
Quick Reference Table
| Millipascal-seconds (mPa·s) | Poises (P) |
|---|---|
| 1 mPa·s | 0.01 P |
| 2 mPa·s | 0.02 P |
| 5 mPa·s | 0.05 P |
| 10 mPa·s | 0.1 P |
| 25 mPa·s | 0.25 P |
| 50 mPa·s | 0.5 P |
| 100 mPa·s | 1 P |