
Grams to Grains
Converter 
Convert Grains to Grams (gr to g)
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Conversion Table
grams
to grains 
g  gr 
1 g  15.4324 gr 
2 g  30.8647 gr 
3 g  46.2971 gr 
4 g  61.7294 gr 
5 g  77.1618 gr 
6 g  92.5942 gr 
7 g  108.0265 gr 
8 g  123.4589 gr 
9 g  138.8912 gr 
10 g  154.3236 gr 
11 g  169.7559 gr 
12 g  185.1883 gr 
13 g  200.6207 gr 
14 g  216.053 gr 
15 g  231.4854 gr 
16 g  246.9177 gr 
17 g  262.3501 gr 
18 g  277.7825 gr 
19 g  293.2148 gr 
20 g  308.6472 gr 
How to convert 1 gram (g) = 15.43235835 grain (gr).
Gram (g) is a unit of Weight used in Metric system.
Grain (gr) is a unit of Weight used in Standard system. 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 onethousandth 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 nonliquid 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
Grams also can be marked as grammes (alternative British English spelling in UK). Grains: A Unit of Weight
Grains are a unit of weight that are used for measuring small masses, such as bullets, arrows, and seeds. Grains are derived from the English word grain, which was the name of a seed or a cereal plant. The symbol for grain is gr.
Definition of the Grain
The grain is defined as one seventhousandth of an avoirdupois pound, which is the common unit of weight in the US customary system and the British imperial system. The grain is equal to the troy grain, which is the smallest unit of the troy weight system, which is used for measuring precious metals. The grain is also equal to the apothecaries’ grain, which is the smallest unit of the apothecaries’ weight system, which is used for measuring medicines.
The grain is equal to about 0.0023 avoirdupois ounces or 0.0648 grams. The grain is also equal to about 0.00014 troy ounces or 0.0417 pennyweights.
How to Convert Grains
Grains can be converted to other units of weight by using conversion factors or formulas. Here are some examples of how to convert grains to other units of weight in the US customary system and the SI system:
 To convert grains to avoirdupois ounces, divide by 437.5. For example, 10 gr = 10 / 437.5 = 0.0229 oz.
 To convert grains to avoirdupois pounds, divide by 7000. For example, 5 gr = 5 / 7000 = 0.0007 lb.
 To convert grains to tons (short), divide by 14000000. For example, 20 gr = 20 / 14000000 = 0.0000014 ton.
 To convert grains to kilograms, divide by 15432.3584. For example, 15 gr = 15 / 15432.3584 = 0.000972 kg.
 To convert grains to grams, divide by 15.4323584. For example, 25 gr = 25 / 15.4323584 = 1.6218 g.
 To convert grains to milligrams, multiply by 64.79891. For example, 30 gr = 30 x 64.79891 = 1943.9673 mg.
Where Grains are Used
Grains are used in different countries and regions for different applications and purposes. Here are some examples of where grains are used:
 In most countries that use the SI system, grains are not used for measuring weight, but only for measuring small masses, such as bullets, arrows, and seeds.
 In the United States, grains are sometimes used for measuring small masses, such as bullets, arrows, and seeds.
 In Canada, Australia and New Zealand, grains are sometimes used for measuring small masses, such as bullets, arrows, and seeds.
 In the United Kingdom, grains are sometimes used for measuring small masses, such as bullets, arrows, and seeds.
 In India, grains are sometimes used for measuring small masses, such as bullets, arrows, and seeds.
History of Grains
Grains have a long history that dates back to ancient times. Here are some highlights of the history of grains:
 The grain was originally based on the weight of a single seed of wheat or barley, which was used as a unit of mass in ancient civilizations such as Egypt, Mesopotamia and Greece.
 The grain was part of different systems of measurement, such as the Tower system, the Troy system, the Avoirdupois system and the Apothecaries’ system. It varied from about 40 milligrams to about 80 milligrams depending on the region and the time period.
 The grain was standardized by royal statutes and international agreements in different periods of history. For example, in 1527 an act of Henry VIII fixed the grain at exactly one seventhousandth of an avoirdupois pound; in 1828 an act of Congress adopted the troy ounce as the official unit of weight for coinage in the United States; in 1959 an international agreement defined the international avoirdupois ounce as exactly 28.349523125 grams.
Example Conversions of Grains to Other Units
Here are some examples of conversions of grains to other units of weight:
 1 gr = 0.0023 oz
 1 gr = 0.0001 lb
 1 gr = 0.00000007 ton
 1 gr = 0.000065 kg
 1 gr = 0.0648 g
 1 gr = 64.79891 mg
 1 gr = 0.0042 oz t
 1 gr = 0.0417 dwt
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