How to Measure Volume

Volume is the measure of how much space an object takes. Many people use volume as a term to describe liquids. Other objects can have volume measured, though. Here's how to measure the volume of any object.

Instructions

1. Draw cubes, rectangular prisms, cylinders and cones on a sheet of paper. Use graph paper to help keep things at a constant scale for better interpretation.

2. Use the formulas for the volume of various shapes. Multiply the height by the length by the width of a cube to get its volume.

3. Find a graduated cylinder to measure a physical object such as a ball, pencil or paper clip.

4. Add water to the graduated cylinder. Only add enough water so that when you add the object to the water, the water will cover the object completely. Make note of where the top of the water is on the graduated cylinder. Write this measurement down on paper or mark it on the cylinder with a permanent marker.

5. Put the object in the water. The water should move up higher in the graduated cylinder. Make a note of this measurement too.

6. Determine the difference between the two and that's the volume of the object.

Tips & Warnings

• Think of volume as figuring out how many cubes would fit into the space that an object fills.

• Use a volumetric flask (found in most chemistry labs and sets) for a more accurate volume measurement.

• Solid volume measurements are in cubic units, usually inches, feet, millimeters or centimeters. Liquid volume measurements are in the cubic units of milliliters, liters, pints, quart or gallons.

Resources

• Math.com has some formulas for specific shapes such as cubes.