Question 1

What units can I convert?

Accepted Answer

Centipoise (cP), Stokes (St), Poise (P), and Pascal-second (Pa·s).

Question 2

Is it accurate?

Accepted Answer

Yes. All conversions use standard physics formulas and run entirely in your browser.

Question 3

How do I convert online free?

Accepted Answer

Pick the from and to units above and the result appears instantly. Free, no sign-up, works on mobile.

Question 4

Which units are supported?

Accepted Answer

All common units are supported. Choose from the dropdowns above for an instant free conversion.

Question 5

Is the conversion instant?

Accepted Answer

Yes. Results appear live as you type, with no sign-up and no page reload.

Question 6

Is this Viscosity Converter free?

Accepted Answer

Yes, completely free with no sign-up. Use it unlimited times online on any device.