Milk crates are popular storage containers found in grocery stores, dairies, warehouses, garages, and homes across the United States. Their sturdy plastic construction makes them useful for carrying bottles, organizing supplies, storing tools, and transporting different items. However, not every milk crate has the same dimensions.
A standard square milk crate typically measures 13 inches long, 13 inches wide, and 11 inches high. Its inside dimensions are usually around 12 × 12 × 10.5 inches. Larger rectangular models commonly measure approximately 19 × 13 × 11 inches.
Understanding milk crate dimensions helps you choose the right size for storage, transportation, shelving, or home organization. This guide covers standard measurements, metric conversions, capacity, different crate styles, and practical ways to measure one.
Standard Milk Crate Dimensions
The most familiar milk crate in the United States has a square shape. It measures approximately 13 inches on each side and 11 inches in height.
These are the typical outside dimensions of a standard 16-quart square crate. Its usable interior space is smaller because the plastic walls and reinforced corners take up room.
| Measurement | Outside dimensions | Inside dimensions |
|---|---|---|
| Length | 13 inches | 12 inches |
| Width | 13 inches | 12 inches |
| Height | 11 inches | 10.5 inches |
| Capacity | 16 quarts | Approximately 4 gallons |
Actual measurements can vary slightly by manufacturer and design. Some models have different interior heights or thicker walls, so check the product specifications when a precise fit matters.
Milk Crate Dimensions in Inches and Centimeters
Many American manufacturers list crate sizes in inches. However, metric measurements can make comparisons easier when you are working with international products or metric shelving.
Here is a conversion table for common milk crate measurements.
| Dimension | Inches | Centimeters | Millimeters |
|---|---|---|---|
| Outside length | 13 in | 33.02 cm | 330.2 mm |
| Outside width | 13 in | 33.02 cm | 330.2 mm |
| Outside height | 11 in | 27.94 cm | 279.4 mm |
| Inside length | 12 in | 30.48 cm | 304.8 mm |
| Inside width | 12 in | 30.48 cm | 304.8 mm |
| Inside height | 10.5 in | 26.67 cm | 266.7 mm |
For quick reference, a standard square milk crate is approximately 33 × 33 × 28 centimeters on the outside.
Rectangular Milk Crate Dimensions
Not all milk crates have a square design. Rectangular models provide extra length, which makes them useful for holding larger containers and organizing longer items.
A common rectangular milk crate measures approximately 19 inches long, 13 inches wide, and 11 inches high. Its inside dimensions are around 18 × 12 × 10.5 inches.
| Measurement | Outside size | Inside size |
|---|---|---|
| Length | 19 inches | 18 inches |
| Width | 13 inches | 12 inches |
| Height | 11 inches | 10.5 inches |
| Capacity | 24 quarts | 6 gallons |
The longer shape provides more storage space than a standard square crate. It can also make organizing bottles, supplies, and other equipment easier.
Some manufacturers use slightly different dimensions, such as 18.75 inches instead of 19 inches in length. Always check the listed measurements before buying a replacement or fitting a crate into a storage system.
Different Types of Milk Crates and Their Sizes
Milk crates come in several styles. Although the traditional square design remains popular, other versions provide different storage capacities and shapes.
1. Standard Square Milk Crate

<text>Typical outside size: 13 × 13 × 11 inches</text>
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The standard square milk crate is one of the most recognizable designs. It usually has four open sides, reinforced corners, and hand openings that make carrying easier.
Most standard models provide a capacity of 16 quarts, or 4 gallons. Their compact footprint also makes them convenient for stacking and general storage.
2. Rectangular Milk Crate

<text>Typical outside size: 19 × 13 × 11 inches</text>
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A rectangular milk crate offers more length than the square version. It commonly holds 24 quarts, equivalent to 6 gallons.
This shape can work well for larger bottles, longer supplies, and items that do not fit comfortably in a square container.
3. Half-Size Milk Crate

<text>Typical outside size: 19 × 13 × 6.5 inches</text>
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A half-size crate has a lower profile than a regular rectangular model. One commonly available design measures about 19 inches long, 13 inches wide, and 6.5 inches high.
Its smaller height makes it useful for organizing shallow items, smaller supplies, and products that need easy access.
4. Closed-Wall Milk Crate

<text>Typical outside size: 13 × 13 × 11 inches</text>
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A closed-wall milk crate has a more enclosed design than a traditional open-sided model. It can help keep smaller objects from falling through the sides.
Its outside dimensions may match those of a standard square crate. However, the wall design and interior shape can affect usable storage space.
5. Oversized Milk Crate

<text>Example outside size: 14.75 × 14.75 × 14.9 inches</text>
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Oversized crates provide additional room for larger storage needs. Some models have a footprint of nearly 15 inches square and stand close to 15 inches tall.
These products are not interchangeable with every standard milk crate. Check their dimensions carefully if you plan to stack them with other containers or place them on a specific shelf.
Milk Crate Size Comparison
The following table summarizes several common styles and their approximate outside measurements.
| Crate type | Length | Width | Height |
|---|---|---|---|
| Standard square | 13 in | 13 in | 11 in |
| Rectangular | 19 in | 13 in | 11 in |
| Half-size | 19 in | 13 in | 6.5 in |
| Closed-wall square | 13 in | 13 in | 11 in |
| Oversized example | 14.75 in | 14.75 in | 14.9 in |
These are representative product dimensions, not universal measurements. Manufacturers may change the height, wall thickness, handles, or overall footprint.
How Much Can a Milk Crate Hold?
Capacity depends on the crate’s shape and design. A standard square milk crate commonly holds 16 quarts, which equals 4 gallons.
A rectangular model often provides 24 quarts, or 6 gallons. A half-size version may hold approximately 12 quarts.
| Crate type | Typical capacity |
|---|---|
| Standard square | 16 quarts / 4 gallons |
| Rectangular | 24 quarts / 6 gallons |
| Half-size rectangular | 12 quarts |
| Oversized | Varies by model |
Capacity describes the available volume, not the maximum weight the crate can safely carry. A crate’s weight limit depends on its material, construction, and manufacturer specifications.
Do not assume that every crate with the same outside dimensions has the same load rating.
Outside Dimensions vs. Inside Dimensions

One important detail when choosing a milk crate is the difference between its outside and inside measurements.
The outside dimensions describe the full space the crate occupies. These measurements matter when you want to fit it inside a cabinet, vehicle, shelving unit, or storage rack.
Inside dimensions describe the usable space. They matter when you want to place bottles, tools, boxes, or other items inside the crate.
For example, a standard square crate may measure 13 × 13 × 11 inches outside but provide only about 12 × 12 × 10.5 inches of usable interior space.
This difference matters when a product needs to fit closely. Measure the opening and the item you want to store before making a decision.
How Tall Is a Standard Milk Crate?

A typical standard milk crate stands approximately 11 inches tall. That equals 27.94 centimeters or 279.4 millimeters.
The height is measured from the bottom of the crate to the top edge. Some manufacturers may produce slightly taller or shorter models.
For shelving projects, remember to leave extra clearance above the crate. This space makes it easier to lift the container and remove stored items.
How Much Does a Milk Crate Weigh?

The empty weight varies with the crate’s size, plastic thickness, and construction. A standard square model often weighs around 2.5 to 3 pounds.
Rectangular models may weigh more because they use additional material. Heavy-duty and oversized versions can also have different weights.
If you need to transport several crates, check the manufacturer’s listed weight. The total load includes both the empty containers and everything stored inside them.
What Are Milk Crates Made Of?

Most modern milk crates use durable plastic, commonly high-density polyethylene (HDPE). This material is suitable for reusable containers because it offers a combination of strength and relatively low weight.
Manufacturers may reinforce corners, handles, and base sections to improve durability. These features help the crate withstand repeated handling and stacking.
However, plastic quality and construction vary. Check the product description if you need a crate for heavy-duty commercial storage or a specific working environment.
What Are Milk Crates Used For?

Milk crates were designed for dairy transportation, but their practical shape makes them useful for many other purposes.
Home Storage
A milk crate can organize toys, cleaning supplies, gardening equipment, and household accessories. Its open design also makes it easy to see and reach stored items.
Garage Organization
Many people use milk crates to store tools, extension cords, sports equipment, and automotive supplies. Their sturdy construction can help keep a garage organized.
Moving and Transportation
Crates can hold smaller household items during a move. Their handles make them easier to carry, although you should avoid overloading them.
Retail and Commercial Storage
Businesses use crates to move products, organize supplies, and transport reusable containers. Standard sizes can make storage and handling more convenient.
Books and Records
A square crate can hold books, magazines, and other materials. However, books can become heavy quickly, so check the crate’s load rating and use safe lifting practices.
How to Measure a Milk Crate Correctly

You can measure a milk crate with a standard tape measure. For the most useful results, record the outside and inside dimensions separately.
Measure the outside length: Place the tape along the longest horizontal side, from one outer edge to the opposite edge.
Measure the outside width: Check the shorter horizontal side. On a square crate, the length and width are usually equal.
Measure the height: Measure vertically from the bottom surface to the top rim.
Measure the inside space: Take measurements between the inner walls, rather than including the plastic thickness.
Write down all three measurements in the same order: length × width × height. This makes it easier to compare different crate models.
Will a Standard Milk Crate Fit on a Shelf?

A standard square milk crate has an outside footprint of approximately 13 × 13 inches. Therefore, a shelf needs to provide at least that much usable space in both directions.
In practice, a slightly larger shelf is better. Extra room makes it easier to slide the crate in and out without catching its handles or corners.
For a rectangular crate, allow approximately 19 inches of length and 13 inches of width. Also check the shelf’s vertical clearance, especially if you plan to remove the crate while it is full.
Can You Stack Milk Crates?

Many milk crates have designs that allow them to stack. Their reinforced corners and shaped edges help keep compatible crates aligned.
However, stacking compatibility varies by manufacturer and crate style. Some containers may not lock together securely, even when their outside dimensions look similar.
For safe storage, use crates designed to stack together. Keep heavy items near the bottom and avoid creating an unstable tower.
Frequently Asked Questions
What are standard milk crate dimensions?
A common standard square milk crate measures approximately 13 inches long × 13 inches wide × 11 inches high.
How big is a milk crate in centimeters?
A standard square model measures approximately 33 × 33 × 28 centimeters on the outside.
What are the inside dimensions of a milk crate?
A typical square milk crate has interior dimensions of approximately 12 × 12 × 10.5 inches. Exact measurements vary by manufacturer.
How many gallons does a standard milk crate hold?
A common 16-quart square milk crate holds approximately 4 gallons.
What size is a rectangular milk crate?
A common rectangular version measures approximately 19 × 13 × 11 inches and holds around 24 quarts, or 6 gallons.
How tall is a milk crate?
A standard square milk crate is typically around 11 inches tall.
How much does an empty milk crate weigh?
Many standard square models weigh approximately 2.5 to 3 pounds. Larger and heavier-duty designs may weigh more.
Are all milk crates the same size?
No. Square, rectangular, half-size, closed-wall, and oversized models have different dimensions. Even similar models can vary slightly between manufacturers.
Can a milk crate fit under a desk?
It depends on the available space. A standard crate is about 11 inches high and 13 inches wide and long, so measure the desk opening before placing one underneath.
What is the difference between a milk crate’s inside and outside dimensions?
Outside dimensions describe the complete space the crate occupies. Inside dimensions describe the usable storage area between its walls.
Conclusion
Milk crate dimensions vary by style, but a common standard square model measures 13 × 13 × 11 inches on the outside. Its interior space is approximately 12 × 12 × 10.5 inches, and its capacity is usually 16 quarts, or 4 gallons.
Rectangular crates offer more length and commonly measure around 19 × 13 × 11 inches. Smaller half-size versions and larger oversized models are also available for different storage needs.
Before choosing a crate, check its outside dimensions, usable inside space, capacity, and weight rating. These details help you select the right size for shelving, transportation, garage organization, or everyday storage.

Lucas Morgan is a passionate writer who enjoys creating helpful, engaging, and practical content for readers. He focuses on sharing clear ideas, useful insights, and creative inspiration through every article.