Category
Construction & Home Calculators
Materials and measurements for the job site and the house.
Cubic Yard Calculator
How much concrete, mulch or gravel your project really needs.
ft³ ÷ 27Board Feet Calculator
Lumber volume and cost from board dimensions, in seconds.
T × W × L ÷ 144Square Feet Calculator
Flooring, paint and room areas in square feet, fast.
L × WBitumen Calculator
Bitumen quantity for road and asphalt work, by mix percent.
% × mix (t)About these calculators
Material math for the job site and the house, in the imperial units the work is actually ordered in: concrete, mulch and gravel by the cubic yard, lumber by the board foot, floors and rooms by the square foot, and bitumen by the mix.
Each page explains its rounding and waste assumptions in plain sight, because the useful number is the one you can order against. Measure twice, calculate once, and let the page show its working.