Terms of use

The charts and calculators on this site are provided free, as-is, for general guidance. Grit and micron figures are typical published averages; real abrasive sheets vary between manufacturers and batches.

Sand paper is abrasive and sanding produces dust. Use appropriate eye, lung and hand protection. The site cannot account for your equipment, material or technique, and accepts no liability for damage to workpieces, tools or people.

Do not republish the site wholesale. Linking to it is welcome.