Tractor wheel slip calculator

Calculate observed wheel slip and theoretical minus ground distance with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use observed wheel slip and theoretical minus ground distance to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Theoretical travel for test revolutions (m)
100
Measured ground travel (m)
85
Observed wheel slip (%)
15
Theoretical minus ground distance (m)
15

Try another scenario

Theoretical travel for test revolutions (m)
200
Measured ground travel (m)
220
Observed wheel slip (%)
-10
Theoretical minus ground distance (m)
-20
Calculation method

Calculation method

Observed wheel slip (%)

100 × (theoretical travel − measured ground travel) / theoretical travel.

Theoretical minus ground distance (m)

Theoretical travel − measured ground travel.

Symbols and units
a
Theoretical travel for test revolutions (m)
b
Measured ground travel (m)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • A measured distance ratio under your declared theoretical rolling distance. Negative values are retained when ground travel exceeds that reference; this can reflect rolling conditions or measurement conventions. No traction-setting recommendation is made.
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Further reading

OpenStax: arithmetic and geometry ↗

Background reading; this does not imply endorsement or independent review of SumFizz.

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