# How to Calculate Thickness With Area & Volume

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Geometry concerns itself with shapes and their properties. The thickness of an object is defined as the smallest of three descriptive measurements: height, width and length. Given that a simple object would be a rectangular prism, if its volume and the area of one side are provided, the object's thickness can be calculated. For example, if you know the volume of the slab of cement that forms your driveway and the driveway's surface area, you can calculate the slab's thickness. Just make sure that the units of the area and volume are the same to provide an accurate answer.

• Double-check that the area of one of the object's sides and volume are measured in the same units. For example, if the area is in centimeters squared and the volume is in meters cubed, the volume would need to be converted to centimeters cubed.

• Divide the volume of the object by the area of one of the sides to attain the thickness. Suppose that the side area was 40 square centimeters and the volume was 80 cubic centimeters. Then the value obtained for the thickness would be 2.

• Place the correct units onto the thickness measurement as it is only one-dimensional. For example, if the area was square centimeters, the units of the objects thickness would be centimeters. In the example, the thickness would be 2 centimeters.

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