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Coefficient of Friction from Incline Angle Calculator

µ = tan(θ) at the critical slip angle.

Compute the static coefficient of friction between a block and an incline by measuring the angle at which the block just begins to slide: µ = tan(θ_critical).

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

°

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

µ = tan(θ), θ in degrees.

In depth

Compute the static coefficient of friction between a block and an incline by measuring the angle at which the block just begins to slide: µ = tan(θ_critical).