Convert Centipoise to Pascal-seconds
Instantly convert Centipoise (cP) to Pascal-seconds (Pa·s) with our free online calculator.
Formula: cP to Pa·s — multiply by 0.001
Reference Table
| Centipoise (cP) | Pascal-seconds (Pa·s) |
|---|---|
| 1 | 0.001 |
| 5 | 0.005 |
| 10 | 0.01 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
How to Convert Centipoise to Pascal-seconds
Formula
To convert Centipoise (cP) to Pascal-seconds (Pa·s): multiply by 0.001
Step-by-Step
- Start with your value in Centipoise (cP).
- Multiply by 0.001 to perform the conversion.
- The result is your value expressed in Pascal-seconds (Pa·s).
Conversion Factor
1 cP = 0.001 Pa·s
Reverse Factor
1 Pa·s = 1000 cP
Worked Example
Convert 25 Centipoise to Pascal-seconds: 25 cP = 0.025 Pa·s
About Centipoise (cP)
A CGS dynamic-viscosity unit equal to exactly 0.01 poise = 0.001 Pa·s = 1 mPa·s. Centipoise is the traditional working unit in coatings, paints, petroleum products, food processing, and pharmaceutical excipient characterization — Brookfield rotational viscometers (the industry-standard QC instrument since the 1930s) default to reporting in cP on the dial readout. Test methods: ASTM D445 (kinematic viscosity, but cross-references to cP via density), ASTM D2196 (rheological properties via rotational viscometer), ASTM D562 (Stormer viscometer Krebs Units, with cP cross-reference), ISO 2555 (Brookfield-method paint and ink), USP <911> (pharmacopoeial Brookfield method). Reference values: water = 1 cP at 20 °C (the famous calibration baseline; viscosity standards are sold traceable to NIST in mPa·s / cP units), SAE 10W30 motor oil at 100 °C ~12 cP, latex paint 500-1,500 cP, ketchup ~50,000 cP (highly shear-thinning so the exact number depends on shear rate).
About Pascal-second (Pa·s)
The SI unit of dynamic (absolute) viscosity (ISO 80000-4 §4-32) — the ratio of shear stress to velocity gradient in a flowing Newtonian fluid (τ = μ · du/dy). Pa·s is the universal reference unit in fluid mechanics research, CFD solver inputs (Ansys Fluent, OpenFOAM, COMSOL all use Pa·s internally), rheology and tribology research, lubricant film calculations, and polymer melt-flow analysis. Reference values: water at 20 °C is 1.002 × 10⁻³ Pa·s (the calibration baseline), air at 20 °C is 1.81 × 10⁻⁵ Pa·s (~55× less viscous than water), SAE 30 engine oil at 40 °C ≈ 0.1 Pa·s, honey at room temperature ~10 Pa·s, peanut butter ~250 Pa·s, the asthenosphere of Earth's mantle ~10¹⁹ Pa·s. Glass at its working temperature (~1,400 °C) is ~100 Pa·s; at its glass-transition temperature ~10¹² Pa·s — the conventional definition of Tg. Convert Pa·s to cP (centipoise) by multiplying by 1,000; to lb/(ft·s) by dividing by 1.488.
Quick Facts
- 1 Centipoise equals 0.001 Pascal-seconds
- 1 Pascal-second equals 1000 Centipoise
- Centipoise is a unit of dynamic viscosity
- Pascal-second is a unit of dynamic viscosity
- This conversion is commonly used in lubricant selection, chemical processing, and fluid dynamics
- The Centipoise belongs to the metric system
Common Centipoise to Pascal-second Conversions
| Centipoise (cP) | Pascal-seconds (Pa·s) |
|---|---|
| 0.01 | 0.00001 |
| 0.1 | 0.0001 |
| 0.25 | 0.00025 |
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 75 | 0.075 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1000 | 1 |
| 5000 | 5 |
| 10000 | 10 |
Understanding Centipoise
The Centipoise (symbol: cP) is a unit of dynamic viscosity. A CGS dynamic-viscosity unit equal to exactly 0.01 poise = 0.001 Pa·s = 1 mPa·s. Centipoise is the traditional working unit in coatings, paints, petroleum products, food processing, and pharmaceutical excipient characterization — Brookfield rotational viscometers (the industry-standard QC instrument since the 1930s) default to reporting in cP on the dial readout. Test methods: ASTM D445 (kinematic viscosity, but cross-references to cP via density), ASTM D2196 (rheological properties via rotational viscometer), ASTM D562 (Stormer viscometer Krebs Units, with cP cross-reference), ISO 2555 (Brookfield-method paint and ink), USP <911> (pharmacopoeial Brookfield method). Reference values: water = 1 cP at 20 °C (the famous calibration baseline; viscosity standards are sold traceable to NIST in mPa·s / cP units), SAE 10W30 motor oil at 100 °C ~12 cP, latex paint 500-1,500 cP, ketchup ~50,000 cP (highly shear-thinning so the exact number depends on shear rate).
It belongs to the metric measurement system.
Centipoise are commonly used in lubricant selection, chemical processing, and fluid dynamics.
Understanding Pascal-seconds
The Pascal-second (symbol: Pa·s) is a unit of dynamic viscosity. The SI unit of dynamic (absolute) viscosity (ISO 80000-4 §4-32) — the ratio of shear stress to velocity gradient in a flowing Newtonian fluid (τ = μ · du/dy). Pa·s is the universal reference unit in fluid mechanics research, CFD solver inputs (Ansys Fluent, OpenFOAM, COMSOL all use Pa·s internally), rheology and tribology research, lubricant film calculations, and polymer melt-flow analysis. Reference values: water at 20 °C is 1.002 × 10⁻³ Pa·s (the calibration baseline), air at 20 °C is 1.81 × 10⁻⁵ Pa·s (~55× less viscous than water), SAE 30 engine oil at 40 °C ≈ 0.1 Pa·s, honey at room temperature ~10 Pa·s, peanut butter ~250 Pa·s, the asthenosphere of Earth's mantle ~10¹⁹ Pa·s. Glass at its working temperature (~1,400 °C) is ~100 Pa·s; at its glass-transition temperature ~10¹² Pa·s — the conventional definition of Tg. Convert Pa·s to cP (centipoise) by multiplying by 1,000; to lb/(ft·s) by dividing by 1.488.
It belongs to the metric measurement system.
Pascal-seconds are commonly used in lubricant selection, chemical processing, and fluid dynamics.
Why Convert Centipoise to Pascal-seconds?
Converting between Centipoise and Pascal-seconds is a frequent requirement for engineers, scientists, and students working with dynamic viscosity values. Different industries and regions favour different unit systems, so having a dependable conversion tool saves time and prevents errors in technical calculations. Whether you are verifying a specification sheet, cross-checking simulation results, or preparing a report for an international audience, accurate dynamic viscosity conversion is essential.
Frequently Asked Questions
How do I convert Centipoise to Pascal-seconds?
A CGS dynamic-viscosity unit equal to exactly 0. To convert Centipoise to Pascal-seconds, multiply by 0.001. For example, 25 cP equals 0.025 Pa·s.
How many Pascal-seconds are in 1 Centipoise?
There are 0.001 Pascal-seconds in 1 Centipoise.
How many Centipoise are in 1 Pascal-second?
There are 1000 Centipoise in 1 Pascal-second.
What is the formula for Centipoise to Pascal-second conversion?
The formula is: multiply by 0.001. This means 1 cP = 0.001 Pa·s.
Is a Centipoise bigger than a Pascal-second?
Yes. One Centipoise is larger than one Pascal-second because 1 cP equals 0.001 Pa·s, which is less than 1.
When do you need to convert between Centipoise and Pascal-seconds?
The SI unit of dynamic (absolute) viscosity (ISO 80000-4 §4-32) — the ratio of shear stress to velocity gradient in a flowing Newtonian fluid (τ = μ · du/dy). Centipoise and Pascal-second are both dynamic viscosity units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.