Dumpster sizes

Roll-off containers come in 10, 15, 20, 30 and 40 cubic yards. Every rental site lists different dimensions for the same size, and there is a real reason for that.

Why no two size charts agree

Because a roll-off is sold by internal volume in cubic yards, and its external dimensions are whatever the manufacturer built. Fleets differ between companies and between generations at the same company. A chart that gives you one exact number for a 20 yard container is not more accurate than a range — it is one fleet’s measurement presented as a standard.

If the exact footprint matters, ask your hauler for the dimensions of the container they will actually deliver. They know it; a chart cannot.

Data table
SizeDimensionsWeight limitPickup truck loads33 gal bagsFootprint
10 yd³11–14 ft × 7.5–8 ft × 3–4 ft1–2 t~440–6083–112 ft²
15 yd³14–16 ft × 7.5–8 ft × 4–4.5 ft1.5–3 t~660–90105–128 ft²
20 yd³20–22 ft × 7.5–8 ft × 4–4.5 ft2–4 t~885–120150–176 ft²
30 yd³20–22 ft × 7.5–8 ft × 5.5–6.5 ft3–5 t~12125–185150–176 ft²
40 yd³20–22 ft × 7.5–8 ft × 7.5–8 ft4–6 t~16165–245150–176 ft²

Dimensions are ranges because a roll-off is sold by internal volume and manufacturers build to different external sizes. Weight allowances are hauler terms, not properties of the container.

Sizes that are not roll-offs

If you searched for a 2, 4 or 6 yard dumpster, what you found is a front-load bin — the lidded container a garbage truck lifts over its cab, rented monthly for ongoing commercial service. The smallest roll-off is 10 yards.

  • 2 yd³ — a 2 yard front-load bin — the small commercial bin a garbage truck lifts, not a roll-off you fill yourself
  • 4 yd³ — a 4 yard front-load bin, rented monthly for ongoing commercial service rather than by the project
  • 6 yd³ — a 6 yard front-load bin — common behind restaurants and small apartment buildings

Size by project

  • Weight-limited

    Roof tear-off

    20 yd³ — Shingles are dense, so weight runs out long before volume. Size to the tonnage, not the pile.

  • Volume-limited

    Kitchen remodel

    20 yd³ — Cabinetry is bulky and light, so volume is the binding constraint — unless there is tile, in which case weight takes over.

  • Weight-limited

    Bathroom remodel

    10 yd³ — A small footprint that produces surprisingly heavy debris. Tile, mortar bed, cast iron and a plaster wall are all dense.

  • Volume-limited

    Estate cleanout

    30 yd³ — Decades of household contents are almost pure volume, and the job is emotionally hard enough without running out of container halfway through.

  • Volume-limited

    Deck removal

    15 yd³ — Dimensional lumber is light for its bulk, and how well you break it down decides the size more than the deck does.

  • Weight-limited

    Basement flood cleanup

    20 yd³ — Water is the whole story. Saturated drywall, carpet, padding and stored cardboard can weigh several times their dry weight.

  • Limited by what is not allowed

    Garage cleanout

    15 yd³ — The size is easy. The reason this project has its own guide is that a garage contains a higher concentration of container-prohibited material than any other room in a house.

  • Volume-limited

    Moving cleanout

    15 yd³ — Whatever did not make the truck, plus packing material. Bulky, light, and almost entirely volume.

  • Weight-limited

    Concrete and patio removal

    10 yd³ — Always a 10, and never anything larger. Concrete is about two tons per cubic yard, so a bigger container just sells you space you are not legally allowed to fill.

  • Limited by both

    Whole-house gut renovation

    30 yd³ — Volume and weight both bind, at different stages. Plan two or three containers in sequence rather than one enormous one.

  • Limited by material separation

    Yard and landscaping cleanup

    15 yd³ — The size is straightforward; the trap is mixing green waste with soil and sod, which have completely different outlets and rates.