How to Use the Centipoise to Centistokes Calculator

The Centipoise to Centistokes Calculator is a simple tool that converts dynamic viscosity (in centipoise, cP) to kinematic viscosity (in centistokes, cSt) using the fluid’s density.

What Are Centipoise and Centistokes?

• Centipoise (cP) is a unit of dynamic viscosity — it measures a fluid’s resistance to flow under an applied force.
• Centistokes (cSt) is a unit of kinematic viscosity — it considers both the fluid’s resistance to flow and its density.

The conversion formula is:

bashCopyEditCentistokes (cSt) = Centipoise (cP) ÷ Density (g/cm³)

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Step-by-Step: How to Use the Calculator

Step 1: Enter Dynamic Viscosity (cP)

Type in the fluid's dynamic viscosity value in centipoise.

Example: 10

Step 2: Enter Density (g/cm³)

Enter the density of the fluid in grams per cubic centimeter.

Example: 0.85

Step 3: Click “Convert.”

Click the blue “Convert” button to calculate.

Step 4: View the Result

The result will be displayed in centistokes (cSt) — your kinematic viscosity value.

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Example Calculation

Suppose you have a fluid with:

• Dynamic viscosity = 10 cP
• Density = 0.85 g/cm³

The kinematic viscosity is:

iniCopyEditcSt = 10 ÷ 0.85 = 11.765 cSt

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FAQ – Centipoise to Centistokes Calculator

What is the difference between cP and cSt?

• Centipoise (cP) measures how thick a fluid is under force.
• Centistokes (cSt) measures how easily it flows, factoring in density.

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Why do I need to know the density?

You can’t convert from cP to cSt without knowing density, because density affects how fast a fluid flows under gravity.

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What fluids can I use this calculator for?

Any non-Newtonian or Newtonian liquid (like oils, lubricants, water, fuels) where viscosity and density are known.

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Does this calculator use SI units?

Yes, this calculator uses CGS (centipoise and centistokes), which are commonly used in industrial and scientific viscosity measurements.