Sanding Grit Step Ratio
Calculator

Inputs

Step ratio
1.414213

Results

Step ratio
1.414213
Next recommended grit
113.137084
Recommended maximum ratio
1.6

Results

Step ratio1.414213
Next recommended grit113.137084
Recommended maximum ratio1.6

formula-map diagram

Step ratio
1.414213
Next recommended grit
113.137084
Recommended maximum ratio
1.6

Formula map

Formula

r = (end grit ÷ start grit)^(1 ÷ steps)

= 1.4142135623731

Note

This result is a simplified model; verify against your shop's own tolerances and material data before cutting.

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