Cubic Feet to Gallons Converter (cu ft to gal)
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Convert Gallons to Cubic Feet (gal to cu ft) ▶

Conversion Table

cubic feet to gallons
cu ftgal
1 cu ft 7.4805 gal
2 cu ft 14.961 gal
3 cu ft 22.4416 gal
4 cu ft 29.9221 gal
5 cu ft 37.4026 gal
6 cu ft 44.8831 gal
7 cu ft 52.3636 gal
8 cu ft 59.8442 gal
9 cu ft 67.3247 gal
10 cu ft 74.8052 gal
11 cu ft 82.2857 gal
12 cu ft 89.7662 gal
13 cu ft 97.2468 gal
14 cu ft 104.7273 gal
15 cu ft 112.2078 gal
16 cu ft 119.6883 gal
17 cu ft 127.1688 gal
18 cu ft 134.6494 gal
19 cu ft 142.1299 gal
20 cu ft 149.6104 gal

How to convert

1 cubic foot (cu ft) = 7.48052 gallon (gal). Cubic Foot (cu ft) is a unit of Volume used in Standard system. Gallon (gal) is a unit of Volume used in Standard system.

Cubic Feet - A Unit of Volume

Definition of the Cubic Foot

A cubic foot (symbol ft3 or cu ft) is an imperial and US customary (non-metric) unit of volume, used in the United States and the United Kingdom. It is defined as the volume of a cube with sides of one foot (0.3048 meter) in length.

One cubic foot is equal to 1728 cubic inches, 0.037037 cubic yards, or 0.02831685 cubic meters.

History of the Cubic Foot

The cubic foot is derived from the foot, which is an ancient unit of length that was based on the length of a human foot. The foot was originally divided into 12 inches, and later into 16 digits or 4 palms. The foot was used in many different systems of measurement, such as the Roman, Egyptian, Greek, and English systems. The foot was standardized by King Henry I of England in the 12th century as the length of his own foot. The current definition of the foot, adopted in 1959, is based on the international yard, which is defined as 0.9144 meter.

The cubic foot was first used as a unit of volume for measuring wood in England in the 15th century. It was also used for measuring other materials and substances, such as stone, sand, coal, water, and air. The cubic foot was adopted as a standard unit of measure in the imperial system in 1824, along with other units such as the gallon, the bushel, and the barrel. The cubic foot was also used in the US customary system, which is similar but not identical to the imperial system. The cubic foot is still widely used today for various purposes, such as construction, engineering, commerce, and everyday life.

How to Convert Cubic Feet

To convert cubic feet to other units of volume, you need to multiply or divide by the appropriate conversion factor. Here are some common conversion factors and examples:

  • To convert cubic feet to cubic inches, multiply by 1728.
    • Example: 2 ft3 × 1728 = 3456 in3
  • To convert cubic feet to cubic yards, multiply by 0.037037.
    • Example: 2 ft3 × 0.037037 = 0.074074 yd3
  • To convert cubic feet to cubic meters, multiply by 0.02831685.
    • Example: 2 ft3 × 0.02831685 = 0.0566337 m3
  • To convert cubic feet to liters, multiply by 28.3168466.
    • Example: 2 ft3 × 28.3168466 = 56.6336932 L
  • To convert cubic feet to gallons (US liquid), multiply by 7.48051948.
    • Example: 2 ft3 × 7.48051948 = 14.96103896 gal
  • To convert cubic feet to bushels (US), multiply by 0.803563954.
    • Example: 2 ft3 × 0.803563954 = 1.607127908 bu

To convert other units of volume to cubic feet, you need to divide by the appropriate conversion factor. Here are some common conversion factors and examples:

  • To convert cubic inches to cubic feet, divide by 1728.
    • Example: 3456 in3 ÷ 1728 = 2 ft3
  • To convert cubic yards to cubic feet, divide by 0.037037.
    • Example: 0.074074 yd3 ÷ 0.037037 = 2 ft3
  • To convert cubic meters to cubic feet, divide by 0.02831685.
    • Example: 0.0566337 m3 ÷ 0.02831685 = 2 ft3
  • To convert liters to cubic feet, divide by 28.3168466.
    • Example: 56.6336932 L ÷ 28.3168466 = 2 ft3
  • To convert gallons (US liquid) to cubic feet, divide by 7.48051948.
    • Example: 14.96103896 gal ÷ 7.48051948 = 2 ft3
  • To convert bushels (US) to cubic feet, divide by 0.803563954.
    • Example: 1.607127908 bu ÷ 0.803563954 = 2 ft3

Where Cubic Feet are Used

Cubic feet are used for measuring various materials and substances in different countries and applications.

Some examples are:

  • In the United States and the United Kingdom, cubic feet are used for measuring the volume of rooms, buildings, refrigerators, freezers, ovens, microwaves, and other spaces and appliances.
  • In the United States, cubic feet are used for measuring the flow or discharge of rivers, streams, and canals, as well as the water supply and consumption of households and industries.
  • In the United States and Canada, cubic feet are used for measuring the volume of natural gas, propane, and wood, as well as the energy content and price of these fuels.
  • In the United States and the United Kingdom, cubic feet are used for measuring the cargo capacity of trucks, vans, trailers, containers, ships, and aircraft.
  • In the United States and the United Kingdom, cubic feet are used for measuring the storage capacity and actual storage volume of storage dams, reservoirs, tanks, silos, and bins.

Example Conversions of Cubic Feet to Other Units

Here are some example conversions of cubic feet to other units of volume:

  • 1 ft3 = 1728 in3
  • 1 ft3 = 0.037037 yd3
  • 1 ft3 = 0.02831685 m3
  • 1 ft3 = 28.3168466 L
  • 1 ft3 = 7.48051948 gal
  • 1 ft3 = 0.803563954 bu
  • 1 ft3 = 0.178107607 bbl
Cubic feet also can be marked as ft3.

Gallons: A Unit of Volume

Gallons are a unit of volume that are used to measure liquids, such as water, milk, oil, wine, etc. They are also used to measure some dry goods, such as grains, fruits, nuts, etc. They are different from cups, which are a smaller unit of volume. They are also different from liters, which are a larger unit of volume. They are also different from barrel of oil equivalent (BOE), which is a unit of energy based on the approximate energy released by burning one barrel of crude oil.

Definition of Gallons

A gallon is defined as a unit of liquid capacity in both the US customary and imperial systems of measurement. However, the size of a gallon varies depending on the type of gallon used:

  • A US liquid gallon is equal to 3.785 liters or 0.833 UK gallons in the metric system. It is equivalent to 231 cubic inches or 128 fluid ounces in the US customary system.
  • A US dry gallon is equal to 4.405 liters or 0.969 UK gallons in the metric system. It is equivalent to 268.8 cubic inches or 148.9 fluid ounces in the US customary system.
  • A UK gallon is equal to 4.546 liters or 1.2 US liquid gallons in the metric system. It is equivalent to 277.4 cubic inches or 160 fluid ounces in the imperial system.

History of Gallons

The origin of the term gallon as a unit of measure is uncertain, but it may have derived from the Old French word galon, which means a large liquid measure. Gallons have been used since ancient times to store and transport various liquids and dry goods. The size and shape of gallons varied depending on the type and quantity of the goods, the availability of materials, and the customs of different regions and countries.

The use of gallons as a unit of measure dates back to the medieval times, when the European system of measurement was established. The standard size of these gallons was based on the wine gallon, which was originally defined as the volume of eight pounds of wine at 62 °F. The gallon was convenient for measuring and dividing larger amounts of liquids and dry goods.

The use of gallons as a unit of measure continued until the 20th century, when the metric system of measurement was adopted in most countries. The gallon was gradually replaced by units such as liters, kilograms, etc. However, some countries and regions still use gallons for certain types of liquids and dry goods, especially in the United States and the United Kingdom and its former colonies.

How to Convert Gallons

To convert gallons to other units of volume, one can use the following formulas:

  • To convert US liquid gallons to liters: multiply by 3.785

  • To convert US liquid gallons to cubic inches: multiply by 231

  • To convert US liquid gallons to fluid ounces: multiply by 128

  • To convert US liquid gallons to UK gallons: multiply by 0.833

  • To convert US liquid gallons to BOE: divide by 5

  • To convert US dry gallons to liters: multiply by 4.405

  • To convert US dry gallons to cubic inches: multiply by 268.8

  • To convert US dry gallons to fluid ounces: multiply by 148.9

  • To convert US dry gallons to UK gallons: multiply by 0.969

  • To convert US dry gallons to BOE: divide by 4.6

  • To convert UK gallons to liters: multiply by 4.546

  • To convert UK gallons to cubic inches: multiply by 277.4

  • To convert UK gallons to fluid ounces: multiply by 160

  • To convert UK gallons to US liquid gallons: multiply by 1.2

  • To convert UK gallons to BOE: divide by 6.1

Where Gallons are Used

Gallons are mainly used in some countries and regions that use the US customary system or the imperial system of measurement. They are often used for measuring and adding liquids such as water, milk, oil, wine, etc., and dry goods such as grains, fruits, nuts, etc., to recipes.

In some countries that use the metric system of measurement, such as Canada and Australia, gallons are not commonly used or recognized. Instead, they use units such as liters, kilograms, etc.

Example Conversions of Gallons to Other Units

Here are some examples of converting gallons to other units of volume:

  • 1 US liquid gallon = 3.785 liters

  • 2 US liquid gallons = 462 cubic inches

  • 3 US liquid gallons = 384 fluid ounces

  • 4 US liquid gallons = 3.332 UK gallons

  • 5 US liquid gallons = 1 BOE

  • 1 US dry gallon = 4.405 liters

  • 2 US dry gallons = 537.6 cubic inches

  • 3 US dry gallons = 446.7 fluid ounces

  • 4 US dry gallons = 3.876 UK gallons

  • 5 US dry gallons = 1.087 BOE

  • 1 UK gallon = 4.546 liters

  • 2 UK gallons = 554.8 cubic inches

  • 3 UK gallons = 480 fluid ounces

  • 4 UK gallons = 4.8 US liquid gallons

  • 5 UK gallons = 0.82 BOE.

The US gallon is equal to 3.785411784 liters and defined as 231 cubic inches.



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