Quick start · tap one, then fine-tune
Results update as you type.
US length fields accept 12.5 or 12 ft 6 in. Your measurements stay in this page.
Planning example; replace with measured openings.
Default: 20 ft²
Default: 15 ft²
Editable planning assumption for cuts and damage.
Default: 10 %
Example from USG all-purpose ready-mix coverage (about 10 gal per 1,000 ft²). Use your product data sheet.
Default: 1 gal/100 ft²
Default: 4.5 US gal
Planning example, not a specification.
Default: 37 ft/100 ft²
Default: 250 ft
Planning example; scaled by area for 4 × 12 sheets. Follow the board maker’s fastener spacing.
Default: 32
Calculator by Nestsums