Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Flooring Box Calculator

Work out how many boxes of laminate, tile, or vinyl plank to buy. Enter room length and width, choose your install pattern to set the waste factor, add the coverage per box, and include extra boxes for attic stock so you never run short or mismatch a dye lot.

Room Length (ft)

Room Width (ft)

Install Pattern

Coverage per Box (ft²)

Attic Stock (spare boxes) (boxes)

Construction

Multi-Room Paint Calculator

Estimate the gallons of paint needed for a whole project across several rooms. Enter the number of rooms, average paintable wall area, the percentage taken up by doors and windows, how many coats you plan, and your paint's coverage to get a precise gallon count.

Number of Rooms (rooms)

Avg Wall Area per Room (ft²)

Doors & Windows (%)

Number of Coats (coats)

Paint Coverage

Key differences

	Flooring Box Calculator	Multi-Room Paint Calculator
Category	Construction	Construction
Inputs required	5	5
Result	Boxes to Purchase (boxes)	Gallons of Paint Needed (gallons)
What it does	Work out how many boxes of laminate, tile, or vinyl plank to buy. Enter room length and width, choose your install pattern to set the waste factor, add the coverage per box, and include extra boxes for attic stock so you never run short or mismatch a dye lot.	Estimate the gallons of paint needed for a whole project across several rooms. Enter the number of rooms, average paintable wall area, the percentage taken up by doors and windows, how many coats you plan, and your paint's coverage to get a precise gallon count.