Construction Calculators

4 free calculators in this subject.

Material estimates, framing, concrete, paint coverage, grading. Built from the same code tables contractors keep in their trucks.

Concrete

Concrete Calculator

Calculate concrete volume in cubic yards or cubic meters for any slab, footing, or column

Interior

Paint Coverage Calculator

How many gallons of paint a room needs

Roofing

Roof Pitch Calculator

Convert between rise/run, pitch ratio, degrees, and percentage

Tile

Tile Calculator

Calculate tiles, square footage, and grout for any flooring or wall project

Frequently asked questions

Do you include waste factors?

Yes — each calculator shows the base quantity and the 'order' quantity with a default waste factor you can override. Default waste factors come from NAHB guidance.