Multiplying the length, width and depth, converted to yards, of the area in question provides the amount of concrete needed in cubic yards. This formula is applicable for any square or rectangular area, commonly referred... More »

Cubic yards can be calculated by multiplying the length by the width by the height of a given volume. For such a calculation, all three measurements must already be in yards. When necessary, convert from feet to yards by... More »

If the density of pound per cubic foot is known, then one formula is to multiply the density by 0.0135 (27/2000). Another rule of thumb is cubic yards x 1.4 = tons. The formula varies according to the material type and d... More »

The formula for concrete calculations is (length x width x depth) divided by 27. The result of this formula provides the number of cubic yards of concrete needed. The measurements must be in feet in order for the equatio... More »

Manually calculate concrete amounts in cubic yards for square or rectangular areas by multiplying the length by the width by the depth and dividing by 27. Convert all measurements to the units of feet before calculating.... More »

A concrete slab calculator works by calculating the amount of concrete needed in cubic feet by multiplying together the values in feet for the length, width and depth of the concrete slab. The result is divided by 27 to ... More »

The price per cubic yard of concrete is determined by multiplying the desired finished length, width and depth of the concrete and dividing that number by 27. This depends on the type of concrete being used, how much is ... More »