# Dynamic Viscosity Converter (Pa·s / cP / lbf·s/ft²)

Convert dynamic (absolute) viscosity between Pa·s (pascal-second, SI base, = N·s/m² = kg/(m·s)), cP (centipoise, 1 cP = 0.001 Pa·s), and lbf·s/ft² (imperial, 1 = 47.88025898 Pa·s). Converts via Pa·s to the target unit and also lists the equivalent value in all three units for reference. Reference values: water 20°C ≈ 1.002 cP, glycerol 20°C ≈ 1412 cP, air 20°C ≈ 0.0181 cP.

> Canonical page: https://elysiatools.com/en/tools/dynamic-viscosity-converter

- **Category:** Math & Numbers

- **Keywords:** dynamic viscosity, absolute viscosity, viscosity conversion, Pa·s, pascal second, cP, centipoise, poise, lbf·s/ft², reyn, fluid mechanics, rheology

## Overview

Convert non-negative dynamic viscosity values between Pa·s, cP, and lbf·s/ft². The converter returns the selected target unit and equivalent values in all three units, with up to 10 decimal places.

## Inputs

- **Input unit** (select)
- **Value** (number): Dynamic viscosity in the selected Input unit. Must be non-negative.
- **Output unit** (select)
- **Decimal Places** (number)

## When to use

- Convert laboratory or engineering measurements from cP to the SI unit Pa·s.
- Translate imperial viscosity values in lbf·s/ft² into Pa·s or cP.
- Compare fluid viscosity values across SI, centipoise, and imperial units.

## How it works

- Enter a non-negative viscosity value.
- Select the input unit: Pa·s, cP, or lbf·s/ft².
- Choose the output unit and set the desired number of decimal places from 0 to 10.
- The value is converted through Pa·s, and the result lists equivalents in all three units.

## Use cases

- Fluid mechanics calculations requiring SI, centipoise, or imperial viscosity units.
- Rheology and laboratory work comparing measured fluid properties.
- Lubricant and process-fluid documentation using different unit conventions.

## Frequently asked questions

### Which viscosity units does this converter support?

It supports Pa·s, cP, and lbf·s/ft².

### What is the conversion from cP to Pa·s?

1 cP equals 0.001 Pa·s.

### What is the conversion from lbf·s/ft² to Pa·s?

1 lbf·s/ft² equals 47.88025898 Pa·s.

### Can I enter a negative viscosity value?

No. The value must be non-negative.

### How many decimal places can I display?

You can select between 0 and 10 decimal places. The default is 6.

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