Area and depth in — cubic feet out: the step that turns a floor measurement into a material order.
You measured the floor in square feet; the mulch, concrete and gravel are sold in cubic feet and yards. The bridge is <strong>depth in inches ÷ 12</strong>: multiply area by that and you have cubic feet. The calculator shows yards too, since that's what the bulk order needs.
Yes — every calculator on this site is free, runs entirely in your browser, and requires no signup.
The formulas are the standard ones used in the trade, accurate to fractions of an inch or pound; add a small waste margin to every order.
Slabs and pads: cubic yards and bag counts in seconds.
Open →Cubic yards and tonnage for driveways, paths and bases.
Open →Cubic yards and 2-cu-ft bag counts for any bed size.
Open →Cubic yards and tons for bedding, play sand and fill.
Open →Cubic yards and tons for lawns, beds and leveling.
Open →Total bag count for any fence run, split per hole.
Open →Missing a feature or found something off? Tell us — user suggestions decide what we build next.