Construction & Home calculators

Calculate the area of a rectangular space in ft², yd², m², and acres.

Calculate cubic yards of concrete needed for a slab, including 60lb and 80lb bag counts.

Estimate gallons of paint needed for a room based on perimeter, height, doors, windows, and coats.

Calculate how many tiles you need for a floor, including waste percentage.

Estimate roofing squares and shingle bundles for a simple gable roof from footprint and pitch.