About

A free reference for material quantities

Materials Calculator is a free set of quantity calculators for common construction and landscaping materials.

01

Why we built it

The hardest part of a project is often the simplest question — how much do I buy? Getting it wrong means a second trip to the yard or a pile of leftover material. Each tool uses the same conversion factors the trade uses, adds a waste allowance you control, and shows every step of the math.

02

What you get

The exact number you came for, in the unit the supplier sells — cubic yards and bags for concrete, tons for gravel and asphalt, bags for mulch, rolls and pallets for sod. Fast, and free to use.