HoneyDoMath: Home Project Calculators

Measure twice, buy once. Free calculators for concrete, landscape, interior, carpentry and roofing projects: enter your sizes and get what to buy, with the working and the sources.

Calculators by project

Draw your space once

Sketch the room, bed or slab, or type its sides. The quantities, the working and the shopping list come from that one shape, and it stays on your device.

Try the Square Footage Calculator
An L-shaped room drawn on a grid, with each side's length marked.