A concrete yardage calculator converts project dimensions into the cubic yards of concrete needed for your pour. This measurement is the industry standard for ordering ready-mix concrete from batch plants. Enter the length, width, and depth of your project in feet or inches, and the calculator converts these dimensions into cubic yards. For multiple sections within the same project, such as a slab with thickened edges or a stepped footing, the calculator adds each section together for a total yardage. Accurate yardage calculations are critical because concrete must be placed within a limited timeframe and cannot be stored once mixed.
Ordering concrete by the yard requires precision to avoid costly problems. A concrete yardage calculator helps prevent short loads, which leave you unable to complete the pour and create structural weak points at cold joints. It also prevents over-ordering, which wastes money and requires disposal of excess concrete. Most suppliers have minimum order requirements of one to two cubic yards and charge extra for partial loads. The calculator includes an overage factor of five to ten percent to account for form bulging, subgrade irregularities, and spillage. For large commercial projects, the yardage calculation also determines the number of truck loads and staging schedule needed for continuous placement.