Construction · Index
Construction math, done right.
Free calculators for the materials you order and the things you build. Imperial or metric. With the waste factor done right and the rounding-up step nobody else does.
Most calculators give you a raw number and call it done. Real orders happen in supplier increments: half-yard of ready-mix, whole bundles of shingles, full sheets of drywall. We do the rounding here so you don't run short on site.