Gallons to Grams [water]
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How to convert

1 gallon (gal) = 3785.411784 gram (g). Gallon (gal) is a unit of Volume used in Standard system. Gram (g) 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.

Grams: A Unit of Weight

Grams are a unit of weight that are used in the International System of Units (SI), also known as the metric system. Grams are derived from the French word gramme, which was taken from the Late Latin term gramma, meaning a small weight. The symbol for gram is g.

Definition of the Gram

The gram is defined as one one-thousandth of a kilogram, which is the base unit of mass in the SI. The kilogram is defined by taking the fixed numerical value of the Planck constant h to be 6.62607015 ×10 −34 when expressed in the unit J s, which is equal to kg m 2 s −1, where the meter and the second are defined in terms of c and ∆ν Cs. The Planck constant is a fundamental physical constant that relates the energy of a photon to its frequency.

The gram is a very small unit of weight, equivalent to about 0.035 ounces or 0.002 pounds. It is commonly used for measuring non-liquid ingredients in cooking, such as flour, sugar, salt and spices. It is also used for measuring small masses, such as jewelry, coins, medicines and chemicals.

How to Convert Grams

Grams can be converted to other units of weight by using conversion factors or formulas. Here are some examples of how to convert grams to other units of weight in the US customary system and the SI system:

• To convert grams to ounces, divide by 28.349523125. For example, 100 g = 100 / 28.349523125 = 3.527 oz.
• To convert grams to pounds, divide by 453.59237. For example, 500 g = 500 / 453.59237 = 1.102 lb.
• To convert grams to tons (short), divide by 907184.74. For example, 1000 g = 1000 / 907184.74 = 0.0011 ton.
• To convert grams to kilograms, divide by 1000. For example, 200 g = 200 / 1000 = 0.2 kg.
• To convert grams to milligrams, multiply by 1000. For example, 50 g = 50 x 1000 = 50000 mg.
• To convert grams to micrograms, multiply by 1000000. For example, 10 g = 10 x 1000000 = 10000000 µg.

Where Grams are Used

Grams are used in different countries and regions for different applications and purposes. Here are some examples of where grams are used:

• In most countries that use the SI system, grams are used for measuring food portions and ingredients, postal items, drugs and medicines, precious metals and gems and scientific experiments.
• In the United States, grams are sometimes used for measuring food portions and ingredients, especially for nutritional information labels, drugs and medicines, precious metals and gems and scientific experiments.
• In Canada, grams are used for measuring food portions and ingredients, postal items, drugs and medicines, precious metals and gems and scientific experiments.
• In Australia and New Zealand, grams are used for measuring food portions and ingredients, postal items, drugs and medicines, precious metals and gems and scientific experiments.
• In China, grams are used for measuring food portions and ingredients, postal items, drugs and medicines, precious metals and gems and scientific experiments.

History of Grams

Grams have a long history that dates back to ancient times. Here are some highlights of the history of grams:

• The gram was originally defined in 1795 as the absolute weight of a volume of pure water equal to the cube of the hundredth part of a meter at the temperature of melting ice.
• The gram was later changed to be the weight of a volume of pure water equal to the cube of the hundredth part of a meter at the temperature of maximum density of water (4 °C).
• The gram was part of the centimeter–gram–second system of units (CGS) that was developed in the 19th century as an alternative to the meter–kilogram–second system of units (MKS).
• The gram was replaced by the kilogram as the base unit of mass in the SI system that was adopted in 1960 as an international standard for measurements.
• The gram was redefined in terms of the kilogram and the Planck constant in 2019 as part of a major revision of the SI system.

Example Conversions of Grams to Other Units

Here are some examples of conversions of grams to other units of weight:

• 1 g = 0.035274 oz
• 1 g = 0.002205 lb
• 1 g = 0.0000011 ton
• 1 g = 0.001 kg
• 1 g = 1000 mg
• 1 g = 1000000 µg
• 1 g = 0.032151 troy oz
• 1 g = 0.032151 apothecaries’ oz
• 1 g = 0.035274 Spanish oz
• 1 g = 0.033814 French oz