Area is measured in sq ft
Depth is measured in inches
Soil is sold in yards
1yd approximately covers 100 sq ft x 3″ deep
Example: 50 sq ft x 3″ depth = 0.5 yards of soil needed

AreaDepth of Soil (Inches)
(sq ft)1/8″1/4″1/2″1234612
100.10.10.10.10.10.10.20.20.4
200.10.10.10.10.20.20.30.40.8
300.10.10.10.10.20.30.40.61.2
400.10.10.10.20.30.40.50.81.5
500.10.10.10.20.40.50.711.9
600.10.10.10.20.40.60.81.22.3
700.10.10.20.30.50.70.91.32.6
800.10.10.20.30.50.811.53
900.10.10.20.30.60.91.21.73.8
1000.10.10.20.40.711.31.94.1
2000.10.20.40.71.31.92.53.87.5
3000.20.30.511.92.83.75.611.2
4000.20.40.71.32.53.857.514.9
5000.20.40.81.63.14.76.29.318.6
6000.30.511.93.85.67.411.222.3
7000.30.61.12.24.46.58.71326
8000.40.71.32.557.59.914.929.7
9000.40.71.42.85.68.411.116.733.4
10000.40.81.63.16.29.312.418.637.1
20000.81.63.16.212.418.624.737.174.1
30001.22.44.79.318.627.83755.6111.2
40001.63.16.212.424.737.149.474.1148.2
500023.97.815.530.946.361.792.6185.2
60002.44.79.318.637.155.674111.2222.3
70002.85.510.921.743.264.986.4129.7259.3
80003.16.212.424.749.474.198.7148.2296.3
90003.5713.927.855.683.4111166.7333.4
100003.97.815.530.961.892.6123.4185.2370.4