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Volume tool
Concrete Curb Calculator
The calculator treats a landscape curb or a mow strip as a long rectangular bar. Length is in feet. Width and height are in inches. The result is a quantity estimate, not a concrete order.
Your estimate
Assumptions
Width and height are divided by 12. Volume in cubic feet is length × width × height. Cubic yards equal that volume divided by 27. A 40 ft mow strip that is 6 inches by 6 inches is 10 cubic feet, which is 0.37 cubic yards.
Empty fields and values of zero or less are rejected. If the curb closes a loop around a bed, measure the centerline once so corners are not counted twice. City curb-and-gutter with a sloped pan is not this rectangle. Split the face and the pan, or ask the office that published the detail.
A wall that is measured in feet of height belongs on the wall calculator. A trench under grade belongs on the footing calculator.