To find square footage or measure for lawn fertilizer, multiply the length by the width of the area. To find cubic yards of material, multiply the length by the width and divide by 82 at a depth of 3-4 inches. Landscape fabric comes in 4' or 6' widths by up to 250' rolls, measure the area to determine which width uses less waste. Purchase staples and cut the fabric around plants at least 6 inches from the stem after planting. Compost, bark, pea gravel and drain rock can be delivered in 1-10 cubic yard amounts but you pay more for less than 10 cubic yards and need to check for overhead wires if ordering 10 cubic yards. Plants come in 1, 2,