Free project calculators
Project calculators
GDBS project calculators are free estimating tools that convert room and wall measurements into the quantities you order — square footage and boxes for flooring and tile, linear feet for baseboard and casing, sheets for drywall, litres for paint. No account needed. Every calculator uses the same per-box and per-piece coverage figures listed on GDBS product pages.
Flooring calculator
Converts room dimensions into total square footage, adds a cut-waste factor, and returns the number of boxes to order. Works for SPC vinyl flooring, LVP, laminate, and hardwood.
sqft · boxes · $ estimate
CalculateTile calculator
Converts floor or wall dimensions into square footage, adds a cut-waste factor, and returns the number of cases to order. Works for porcelain, ceramic, and stone tile.
sqft · cases · $ estimate
CalculateBaseboard calculator
Converts room dimensions into perimeter linear footage, subtracts door openings, and returns the number of sticks to order in standard lengths. Works for baseboard, casing, and quarter round.
LF · pieces · $ estimate
CalculatePaint calculator
Converts room dimensions into wall area, subtracts doors and windows, multiplies by coats, and returns litres and cans to buy. Built for interior latex.
sqft · litres · cans
CalculateDrywall calculator
Converts wall and ceiling dimensions into square footage and returns sheets to order in standard sizes, plus rule-of-thumb tape, compound, and screw quantities.
sqft · sheets · accessories
CalculateEstimates cover materials only. For delivery quotes or job-lot pricing, call the Scarborough showroom at 416-821-7977.