# Coefficient of Friction Calculator

The ratio of the frictional force to the normal force is the coefficient of friction. It is usually expressed as μ. The range of COF is from near zero to above 1. An online calculator to calculate the COF with the given values.

The ratio of the frictional force to the normal force is the coefficient of friction. It is usually expressed as μ. The range of COF is from near zero to above 1. An online calculator to calculate the COF with the given values.

Code to add this calci to your website

#### Formula:

μ = F_{max} / F_{n}
**Where,**
μ = Coefficient of Friction
F_{max} = Frictional Force
F_{n} = Applied Normal Force
### Example

#### Coefficient of Friction

Consider the applied normal force to be 50 N and frictional force to be 78.

Coefficient of friction = 78 / 50

COF = 1.56 μ