SI and CGS units
Converts Pa·s, mPa·s, cP, and P.
Enter a dynamic viscosity value and convert instantly among SI, CGS, and common imperial engineering units with supporting pascal-second and centipoise results.
Converted value = input value × source-unit factor in Pa·s ÷ target-unit factor in Pa·s. Key identity: 1 Pa·s = 1,000 cP = 10 P.
Converts Pa·s, mPa·s, cP, and P.
Includes lb/(ft·s) and lb/(ft·h).
Displays the equivalent Pa·s and cP with every result.
Dynamic viscosity describes a fluid resistance to shear or flow under an applied force. The SI unit is the pascal-second (Pa·s). Laboratory data and product specifications also commonly use millipascal-seconds (mPa·s), centipoise (cP), and poise (P). Because 1 mPa·s equals 1 cP, those two numerical values are identical.
Select the unit attached to the source measurement, then choose the required output unit. The calculator converts the input to Pa·s internally before converting to the destination. Always preserve enough significant figures for the measurement precision rather than assuming every displayed decimal is physically meaningful.
Viscosity can change substantially with temperature and, for some fluids, pressure and shear rate. A unit conversion does not normalize those conditions. Compare values only when the test temperature, method, fluid state, and relevant shear conditions are compatible.
| Input | What it means | Planning note |
|---|---|---|
| Pascal-second (Pa·s) | SI unit of dynamic viscosity | 1 Pa·s equals 1,000 cP. |
| Millipascal-second (mPa·s) | One thousandth of a Pa·s | Numerically equal to cP. |
| Centipoise (cP) | One hundredth of a poise | Common in fluid and material specifications. |
| Poise (P) | CGS dynamic viscosity unit | 1 P equals 0.1 Pa·s. |
Compare oils, coatings, chemicals, and process fluids.
Convert supplier data into the unit required by a model.
Translate test results while retaining the original conditions.
It measures a fluid resistance to shear and is commonly expressed in Pa·s, mPa·s, cP, or P.
Yes. The two units have exactly the same numerical value.
One pascal-second equals 1,000 centipoise.
Density is required: kinematic viscosity equals dynamic viscosity divided by density, using consistent units.
Last reviewed: August 20, 2026. Verify fluid temperature, pressure, density, and measurement method when engineering accuracy matters.
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