Gallons to Kilograms [water]
Converter

Conversion Table

How to convert

1 gallon (gal) = 3.785411784 kilogram (kg). Gallon (gal) is a unit of Volume used in Standard system. Kilogram (kg) is a unit of Weight used in Metric system. Please note this is volume to weight conversion, this conversion is valid only for pure water at temperature 4 °C.
US oz = 28.349523125 g
US fl oz = 29.5735295625 ml (milliliters) = 29.5735295625 g (grams) of pure water at temperature 4 °C.
US cup = 8 fl oz = 236.5882365 ml (milliliters) = 236.5882365 g (grams) of pure water at temperature 4 °C.

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.

Kilograms: A Unit of Weight

Definition of the Kilogram

A kilogram is a unit of weight that measures how much force an object or substance exerts on a scale due to gravity. It is equal to the mass of the International Prototype of the Kilogram (IPK), a cylinder of platinum-iridium alloy stored at the International Bureau of Weights and Measures in France. One kilogram can also be written as kg or 1000 g.

History of the Kilogram

The kilogram was originally defined in 1795 during the French Revolution as the mass of one litre of water at 4 °C, which was determined to be 18841 grains. In 1799, the Kilogramme des Archives, a platinum artifact, replaced it as the standard of weight. In 1889, the IPK became the new standard of the unit of weight for the metric system and remained so for 130 years, until the current definition was adopted in 2019.

The kilogram, as well as other metric units of weight, such as the gram and the tonne, were introduced in the 19th century as part of the decimal system of measurement that aimed to simplify and unify the units used in science and commerce. The kilogram was officially adopted by the International System of Units (SI) in 1960 as one of the seven base units.

How to Convert Kilograms

To convert kilograms to other units of weight, we need to use conversion factors that relate the kilogram to the desired unit. For example, to convert kilograms to pounds, we need to know that one pound is equal to 0.45359237 kg. Therefore, one kilogram is equal to 2.2046226218 pounds.

Here are some common conversion factors for kilograms:

• 1 kg = 1000 g
• 1 kg = 2.2046226218 lb
• 1 kg = 35.27396195 oz
• 1 kg = 0.001 t
• 1 kg = 0.1574730444 st

To convert from other units of weight to kilograms, we need to use the inverse of these conversion factors. For example, to convert pounds to kilograms, we need to divide by 2.2046226218.

Where Kilograms are Used

The kilogram is a unit of weight that is widely used to measure the weight of objects and substances such as food, clothes, animals, metals and chemicals. For example, an adult human body has an average weight of about 62 kg.

The kilogram is also used to measure the weight of some physical quantities such as force, pressure and torque. For example, one newton (N) is equal to one kilogram times one meter per second squared (kg x m/s²).

Example Conversions of Kilograms to Other Units

Here are some examples of how to convert kilograms to other units of weight using the conversion factors given above:

• 2 kg = 2 x 1000 g = 2000 g
• 3 kg = 3 x 2.2046226218 lb = 6.6138678654 lb
• 4 kg = 4 x 35.27396195 oz = 141.0958478 oz
• 5 kg = 5 x 0.001 t = 0.005 t
• 6 kg = 6 x 0.1574730444 st = 0.9448382664 st

Conclusion

The kilogram is a unit of weight that measures how much force an object or substance exerts on a scale due to gravity. It is equal to the mass of the IPK, a cylinder of platinum-iridium alloy stored in France. The kilogram is widely used to measure the weight of objects and substances such as food, clothes, animals, metals and chemicals, as well as some physical quantities such as force, pressure and torque. To convert kilograms to other units of weight, we need to use conversion factors that relate the kilogram to the desired unit.