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 Friction Calculator

Friction Calculator

The calculator will use a friction equation to compute the friction force, normal force, and coefficient of friction between object and the ground. Enter any two values and the tool will calculate the third one.

I want to calculate:

Friction coefficient (μ)

Normal Force (N)


Friction (F)


Mass of body (m)


Inclination of Plane (θ)

Gravity (g)


Table of Content

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This friction calculator helps you to calculate frictional force, coefficient of friction, and normal force applied to an object.

There are many assumptions made regarding this physical phenomenon. That is why we have arranged the content below to throw a light on it so you may not feel difficulty in understanding.

Furthermore, we would also discuss how you could determine these parameters by using this best friction coefficient calculator.

Types of Friction:

Following are the most common types of friction mentioned:

  • Static Friction:
  • Kinetic Friction:
  • Rolling Friction:
  • Sliding Friction:
  • Fluid Friction:

How To Calculate The Force of Friction?

Let’s resolve some examples to get a firm grip over the concept. Just stay focused!

Example # 01:

An object bears a surface friction of about 76N after being moved by applying a force of 36N. How to find coefficient of static friction?


Here we are going to find coefficient of friction:

µ = F/N

µ = 36/76

µ = 0.473

How Our Calculator Works?

If you are interested in determining the friction and its related parameters, then you must give a read to the usage guide of this coefficient of kinetic friction calculator. Give a read!


  • From the first drop-down list, select what you are interesting in determining in
  • After you make selection, go for entering the required parameters in their designated fields
  • Also, select the units against each parameters
  • At last, tap the calculate button


The friction calculator does the following calculations for you:

  • Coefficient of friction
  • Frictional force
  • Friction alone
  • Normal force applied on an object to displace it


What causes Friction?

Following are the factors that actually cause friction

  • Molecular adhesion
  • Roughness in the surface
  • Deformation of the object

What are the effects of Friction?

Below here we have enlisted some effects of the friction:

  • Power loss due to opposing force
  • Heating of the object’s parts
  • Noise production

How can we reduce Friction?

You can lessen the friction by adopting the following precautions:

  • Making the surface of contact smooth enough
  • Use lubrication for reducing the roughness of the object and the surface connection
  • Making the shape of the surface streamline that allows the fluid or air flow smoothly without any distortion
  • Making the normal force acting on the object smaller also


From the source of Wikipedia: Friction, Laws of dry friction, Dry friction, Angle of friction, Friction at the atomic level, Limitations of the Coulomb model, Dry friction and instabilities, Lubricated friction

From the source of Lumen Learning: Reducing Friction