Cubic meters do not naturally convert into tons because the two units measure different properties: cubic meters (m^3) measure volume; tons, also known as U.S. or short tons, measure mass. The two different units can be made equivalent using density, which is a measurement of mass in relation to volume. If you know the density of a specific material, you can convert the volume that the material occupies in cubic meters into its mass in tons.

### Step 1

Determine the volume in cubic meters of your material. For example, you have 500,000 m^3 of rye.

### Step 2

Determine the density of your material with an online material density chart (see Resources). In this example, rye has a density of 705 kilograms per cubic meter.

### Step 3

Multiply the volume of the material by its density to obtain the material's mass. In this example, 500,000 x 705 = 352,500,000. You have 352,500,000 kg of rye.

### Step 4

Divide the mass in kilograms by 907.18 to convert it to tons. In the example, 352,500,000/907.18 = 388,566.77. You have 388,566.77 tons of rye.