What are the standard dumpster sizes?

10, 15, 20, 30 and 40 cubic yards are the common residential and light-commercial sizes, and a 20-yard is by far the most rented. Some companies also run 6, 12, 18 and 25-yard containers, which are worth asking about when a standard size is a poor fit.

Is a bigger dumpster much more expensive?

Far less than the volume difference suggests. A 40-yard holds four times what a 10-yard does but costs about 1.7× as much, because most of a quote is the truck and the gate fee rather than the container. Sizing up is usually cheaper than needing a second one.

What happens if I order a size that is too small?

You either pay for a second delivery or you overfill it, and an overfilled container cannot legally be tarped, so the driver refuses it and charges a dry run. Ordering one size larger than you think you need is the cheaper mistake.

Does a bigger container mean more included weight?

Usually, but not proportionally, and this is where people get caught. Allowances rise more slowly than volume, so a 40-yard filled with anything dense will blow through its tonnage long before it is full. Ask for the allowance on the exact size you are booking.

Dumpster Sizes: Dimensions, Capacity and Cost

Roll-off dumpsters come in five common sizes. The number is cubic yards of volume, not weight, and weight is what usually decides the final bill.

Size	Dimensions	Pickup loads	Median price
10 yard	12′ × 8′ × 3.5′	~3	$345
15 yard	16′ × 8′ × 4′	~4.5	$365
20 yard	22′ × 8′ × 4.5′	~6	$419
30 yard	22′ × 8′ × 6′	~9	$520
40 yard	22′ × 8′ × 8′	~12	$600

Volume is not the constraint. Weight is

Every rental includes a fixed weight allowance, typically 2 tons, and everything over it is billed by the ton at a median of $76. A 20-yard can hold far more shingles by volume than its weight allowance covers, which is why a roof tear-off often costs more than the listed price suggests. Ask what the allowance is before you book, not after.

See median prices by size and state

Which sizes companies actually carry

Dimensions are the same everywhere. Availability is not, and a dimensions table cannot tell you which sizes a yard near you actually owns. That takes reading the fleet list off each operator's own website. Here is what the 2,952 listed companies that name a size say they run.

Companies listing each size
Size	Companies	Share
20 yard	2,315	78% of listed companies
15 yard	1,924	65% of listed companies
30 yard	1,706	58% of listed companies
10 yard	1,542	52% of listed companies
40 yard	1,079	37% of listed companies

The 20-yard is the workhorse and the one you can get anywhere. The 40 is the one to call about early: fewer yards run them, they are the container most often already out on a job, and on a tight residential street the truck may not be able to place one at all.

Beyond the five standard sizes, 12-yard containers at 471 companies, 6-yard containers at 371 companies and 8-yard containers at 363 companies. Worth asking about when a standard size is a poor fit: a 12 is often the answer for a driveway that cannot take a 20.

The bigger the container, the cheaper the cubic yard

Most of a quote is the truck, the driver and the gate fee at the tip. The steel box is the cheap part, which is why price rises far more slowly than volume.

Median price per cubic yard
Size	Per cubic yard	Median price
10 yard	$34.50	$345 total
15 yard	$24.33	$365 total
20 yard	$20.95	$419 total
30 yard	$17.33	$520 total
40 yard	$15.00	$600 total

A 10-yard works out at $35 a cubic yard and a 40-yard at $15 — 57% less for the same space. Ordering one size up costs a fraction of what a second delivery costs, and it is the mistake that is cheap to make in the right direction.

What each size is actually for

Volume is a poor way to choose, because nobody thinks in cubic yards. The job is the better starting point, and the weight of what goes in usually settles it.

Every job we size · Or whether you want a container at all

Space, access and permits

Every one of these needs roughly 60 feet of straight approach for the truck and about 23 feet of overhead clearance to tip the container off the back, so low branches and power lines rule out more driveways than width does. The container itself sits on eight feet of width whatever the size. What changes with the size is the length and the height, not the footprint you need to clear beside it.

A container on your own driveway generally needs no permit. One on the street usually does, issued by the town or the county rather than by the hauler, and it is the item most likely to delay a delivery. Ask who pulls it when you book.

Common questions about dumpster sizes

What are the standard dumpster sizes?: 10, 15, 20, 30 and 40 cubic yards are the common residential and light-commercial sizes, and a 20-yard is by far the most rented. Some companies also run 6, 12, 18 and 25-yard containers, which are worth asking about when a standard size is a poor fit.
Is a bigger dumpster much more expensive?: Far less than the volume difference suggests. A 40-yard holds four times what a 10-yard does but costs about 1.7× as much, because most of a quote is the truck and the gate fee rather than the container. Sizing up is usually cheaper than needing a second one.
What happens if I order a size that is too small?: You either pay for a second delivery or you overfill it, and an overfilled container cannot legally be tarped, so the driver refuses it and charges a dry run. Ordering one size larger than you think you need is the cheaper mistake.
Does a bigger container mean more included weight?: Usually, but not proportionally, and this is where people get caught. Allowances rise more slowly than volume, so a 40-yard filled with anything dense will blow through its tonnage long before it is full. Ask for the allowance on the exact size you are booking.

Not sure which of these your job needs? Size it by project, or run the cost calculator to see what each size works out at with the weight and days you actually need.