Estimate how long it takes to sand a surface.
Total sanding time is the surface area times the passes and the per-square-foot rate, then divided among workers and converted to hours. Sanding is tedious and slow, so a realistic time estimate helps schedule a drywall or refinishing job.
Sanding Time
Hours = area x passes x minutes per sq ft / workers / 60
Hours = area x passes x minutes per sq ft / workers / 60 Total sanding time is the surface area times the passes and the per-square-foot rate, then divided among workers and converted to hours.
Sanding is tedious and slow, so a realistic time estimate helps schedule a drywall or refinishing job.
This calculator takes 4 inputs: Surface area, Passes, Minutes per sq ft, Workers. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.