All construction calculators

Free tools for estimating materials, energy savings and financing. Every calculator works in imperial or metric units and in your local currency.

Building Materials

Estimate quantities and costs for masonry, concrete, drywall, roofing, flooring and paint.

Estimate bricks, mortar and total cost for any wall.

Concrete volume, bags, rebar and cost for slabs and footings.

Sheets, screws, joint compound and tape for any room.

Roof area, squares, shingle bundles and cost from your footprint.

Boxes of laminate, vinyl, hardwood or tile and total cost.

How many gallons or litres of paint you need for a room.

Plan insulation upgrades and see how quickly they pay for themselves.

Thickness needed, energy savings and payback for an insulation upgrade.

Work out mortgage payments and the true cost of financing a home.

Monthly payment, total interest and amortization schedule.