How Big Is 3 Cubic Feet (7 Common Examples)

This is a relatively small volume, equivalent to about 0.085 cubic meters.

If you’re wondering what 3 cubic feet looks like, you don’t need to worry about trying to convert the measurements into something more tangible – there are objects you can use for reference!

3 cubic feet is equal to 22.4416 gallons, 5,184 cubic inches, and 84.9505 liters, but these numbers can be hard to visualize.

Luckily, with the objects listed below, you can easily measure how big is 3 cubic feet.

1. One and a Half Beer Kegs

beer keg How Big Is 3 Cubic Feet

Kegs are often used by breweries and bars to dispense draft beer, and they are also popular for use at home or for hosting events. The size of a beer keg is typically measured in gallons, and there are several standard sizes that are commonly used.

A full-size keg contains 15.5 gallons of beer, which is equivalent to 4 12-ounce glasses for 40 people. To reach 3 cubic feet, it is necessary to acquire at least 1.5 kegs.

2. Seven Standard Fishbowls

fish bowl

Fishbowls are typically used to house small aquatic pets, such as goldfish, bettas, or other small fish. The size of a fishbowl will depend on the size and number of fish that it is intended to house. A typical fishbowl for a single goldfish or betta may have a volume of around 3 gallons.

 To achieve a total of 3 cubic feet, you will require 7 fishbowls.

Related: How Big Is 2 Cubic Feet

3. Four and a Half Large Stockpots


A large stockpot is a type of cooking pot that is designed for boiling large quantities of liquid or for making soups, stews, and other dishes that require a lot of liquid. Stockpots typically have a wide base and tall sides, and they are made from materials such as stainless steel, aluminum, or copper.

Home cooks typically have a 12-quart stockpot in their kitchen, though stockpots come in various sizes.

If your stockpot can hold 12 quarts of liquid when filled to the brim, you will need to fill it up 4.5 times in order to reach a total volume of 3 cubic feet.

4. 6 Stnadard-Sized Personal Coolers

personal cooler

Personal coolers, also known as portable ice chests or lunch boxes, are small insulated containers that are designed to keep food and drinks cold while on the go. They are often used for outdoor activities, such as picnics, camping, or beach trips, as well as for everyday use, such as bringing lunch to work or school. Personal coolers come in a variety of sizes, ranging from small, single-serving containers that can hold a few cans of soda or bottles of water, to larger, multi-person coolers that can hold enough food and drinks for a day or more.

The size of a personal cooler is typically measured in quarts or liters, and the common size of personal coolers is around 16 quarts. To achieve a personal storage capacity of 3 cubic feet, it is necessary to acquire at least six coolers.

If you need to store a large number of drinks, snacks, and other items for your next event or gathering, then having a single cooler with a capacity of 100 quarts may be the best solution. This cooler would provide enough space to comfortably hold more than 3 cubic feet worth of supplies, making it an ideal choice for those who are big fans of hosting tailgates or other parties.

5. Three Bags of 15-Pound Charcoal

charcoal bag

A 15-pound bag of charcoal is a common size for a bag of charcoal briquettes, which are used as fuel for grilling and other outdoor cooking activities. Charcoal briquettes are made from compressed sawdust and other materials, and they are used in place of wood or gas as a fuel source for grills and other outdoor cookers.

A 15.4-pound bag of coal is a popular choice among consumers, and usually measures 24 x 12 x 6 inches or 1 cubic foot in volume. If you’re looking to purchase 3 cubic feet of coal, that would make it necessary to buy 3 of these bags.

6. 2.5 Mediem-Sized Backpacks


They are often used for carrying books, school supplies, or personal items when traveling or hiking. Backpacks come in a variety of sizes, ranging from small, single-compartment bags that are suitable for carrying a few items, to larger, multi-compartment bags that can hold a lot of gear.

If you’re planning an outdoor excursion, you may need to carry up to 3 cubic feet of supplies with you. This amount of items can be easily managed with 2.5 medium-sized backpacks, which are ideal for commuting, hiking, or day walks and can hold up to 30 liters or 7.92516 gallons of items.

Related: How Big Is 5 Cubic Feet

7. 11 Average Watermelons


Watermelons are native to Africa and are now grown in many parts of the world. They are popular summer fruit and are often eaten fresh, in salads, or as a refreshing drink.

Each watermelon occupies roughly 800 cubic inches or half a cubic foot when you include the rind. Therefore, if you want to fill 3 cubic feet with watermelons, you need 11 pieces of average size (approximately 10 inches long and 16 inches in width).


When it comes to the question of how much a 3 cubic feet object can hold, there is no single answer. It all depends on the type of item you are looking to store. From beer kegs and charcoal briquettes to backpacks and watermelons, the capacity of 3 cubic feet will vary depending on what you are filling it with. To ensure that your 3 cubic feet container can hold the desired amount of items, be sure to do your research first.

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