How much grout does it take to fill a 6x8x16 block?

To calculate the amount of grout needed to fill a 6x8x16 concrete block, first determine the volume of the block in cubic inches: 6 inches (height) x 8 inches (width) x 16 inches (length) = 768 cubic inches. To convert this to cubic feet, divide by 1,728 (the number of cubic inches in a cubic foot), which results in 0.444 cubic feet. Therefore, approximately 0.444 cubic feet of grout is needed to fill one 6x8x16 block.