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Choosing the wrong dumpster can be a very expensive mistake!

Size Quick Reference Dimensions For Dumpster Rentals Max. Volume

Size

20 yard dumpster

30 yard dumpster

40 yard dumpster

Dimensions

22 ft. long by 8 ft. wide by 4 ft. high

22 ft. long by 8 ft. wide by 6 ft. high

22 ft. long by 8 ft. wide by 8 ft. high

Max. Volume

20 cubic yards

30 cubic yards

40 cubic yards

Understanding dumpster sizes and their dimensions will help you select the right container for your project. The dumpster sizes below show common dimensions for our most popular container sizes.

- South Central Container Company

How Do I Measure A Dumpster?

Cubic yards is a measure of volume. A cube of space that is 3 ft. long by 3 ft. wide by 3 ft. high is equal to 1 cubic yard.

If we have the dimensions of a dumpster in feet, we can calculate the number of cubic yards of debris the dumpster can hold with this formula:

  • Multiply length X width X height in feet to get total cubic feet
  • Divide total cubic feet by 27 to get number of cubic yards

Overfilling the dumpster, can be another common mistake. All of the debris must be level with or under the top edge of the container or you can potentially be charged more.

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