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Centipoise to Pascal Second Converter

Convert between centipoise (cP) and pascal second (Pa·s) for viscosity measurements — 1 cP = 0.001 Pa·s exactly.

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Viscosity Unit Conversion:

1 Centipoise (cP) = 0.001 Pascal Second (Pa·s)

Pa·s = cP × 0.001 | cP = Pa·s ÷ 0.001 (Results shown with 6 decimal places)

Centipoise (cP)

Centipoise (10⁻³ poise) — common viscosity unit for liquids

Pascal Second (Pa·s)

Pa·s

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About Centipoise (cP) and Pascal Second (Pa·s)

Understanding viscosity units used for measuring fluid resistance to flow.

Viscosity Unit Comparison

Unit	Symbol	Definition	Common Uses
Centipoise	cP	1 cP = 0.01 Poise = 0.001 Pa·s 1 cP = 1 mPa·s (millipascal second)	Liquids (water, oil, syrup, honey), food industry, cosmetics, lubricants
Pascal Second	Pa·s	SI unit of dynamic viscosity 1 Pa·s = 1 N·s/m² = 1 kg/(m·s)	Scientific research, engineering, industrial processes, fluid dynamics

Common Viscosity Conversions (6 decimal places)

Centipoise (cP)	≈	Pascal Second (Pa·s)	Fluid Example
0.89 cP	≈	0.000890 Pa·s	Water (20°C)
50 cP	≈	0.050000 Pa·s	Light motor oil
100 cP	≈	0.100000 Pa·s	Heavy motor oil
500 cP	≈	0.500000 Pa·s	Maple syrup
1000 cP	≈	1.000000 Pa·s	Honey (room temp)
10000 cP	≈	10.000000 Pa·s	Ketchup

Frequently Asked Questions

About viscosity units and their conversion

Why is 1 centipoise equal to 0.001 pascal second?

The conversion comes from the historical definition of viscosity units:

The poise (P) was the original CGS unit of viscosity, defined as 1 dyne·s/cm²
1 pascal second (Pa·s) = 10 poise (since 1 Pa = 10 dynes/cm²)
A centipoise (cP) is 1/100 of a poise (1 cP = 0.01 P)
Calculation: 1 cP = 0.01 P = 0.01 × 0.1 Pa·s = 0.001 Pa·s

1 Pa·s = 10 P = 1000 cP

1 cP = 0.01 P = 0.001 Pa·s = 1 mPa·s

What's the difference between centipoise (cP) and millipascal second (mPa·s)?

They are identical units — just different names for the same measurement:

1 centipoise (cP) = 1 millipascal second (mPa·s) exactly
"Centipoise" is the traditional name, while "millipascal second" is the SI-derived name
Both equal 0.001 pascal seconds (Pa·s)
Industrial applications often use cP, while scientific contexts may prefer mPa·s

This converter uses cP and Pa·s, but results can be interpreted as mPa·s by replacing the unit symbol.

Why is viscosity conversion precision important?

Precision matters because viscosity directly impacts fluid behavior in critical applications:

Manufacturing: Incorrect viscosity can affect product quality (e.g., paint flow, adhesive performance)
Automotive: Engine oil viscosity impacts lubrication and fuel efficiency
Chemistry & Pharma: Reaction rates and drug delivery depend on fluid viscosity
Food Industry: Texture and consistency of sauces, dressings, and baked goods rely on precise viscosity

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