Open data

Name: Construction material quantities: how each material is sold and where the numbers come from
Creator: EasyByte Hub S. Coop. Mad.
Published: 2026-09-26
License: https://creativecommons.org/licenses/by/4.0/

Every quantity on this site comes from a file, and the file is yours to use: how each material is sold, the formula for how much to order, and where each figure comes from.

Files

materials.json — all 115 materials: unit sold in, formula, size options and sources.
concrete-bag-yields.csv — cubic feet per bag and bags per cubic yard for 5 bag weights, from the manufacturer data sheet.

License

CC BY 4.0. Use it anywhere, commercially or not, as long as you credit YardsNeeded.

How to cite

YardsNeeded (EasyByte Hub S. Coop. Mad.). Construction material quantities, with sources. https://yardsneeded.com/data/