basic

Friction Force Calculator

Friction force from coefficient of friction and normal force.

Compute the friction force on a horizontal surface from the coefficient of friction and the object's weight.

Daniel Oh By Daniel Oh
Reviewed by Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

kg
m/s²

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Ffriction = μ · N = μ · m · g

In depth

Compute the friction force on a horizontal surface from the coefficient of friction and the object's weight.