
Grams to Milligrams
Converter 
Convert Milligrams to Grams (mg to g)
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Conversion Table
grams
to milligrams 
g  mg 
1 g  1000 mg 
2 g  2000 mg 
3 g  3000 mg 
4 g  4000 mg 
5 g  5000 mg 
6 g  6000 mg 
7 g  7000 mg 
8 g  8000 mg 
9 g  9000 mg 
10 g  10000 mg 
11 g  11000 mg 
12 g  12000 mg 
13 g  13000 mg 
14 g  14000 mg 
15 g  15000 mg 
16 g  16000 mg 
17 g  17000 mg 
18 g  18000 mg 
19 g  19000 mg 
20 g  20000 mg 
How to convert 1 gram (g) = 1000 milligram (mg).
Gram (g) is a unit of Weight used in Metric system.
Milligram (mg) is a unit of Weight used in Metric 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). Milligrams: A Unit of Weight
Milligrams are a unit of weight that are used in the International System of Units (SI), also known as the metric system. Milligrams are derived from the Latin word mille, which means thousand, and the French word gramme, which means weight. The symbol for milligram is mg.
Definition of the Milligram
The milligram is defined as one onethousandth of a gram, which is one onemillionth 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 milligram is a very small unit of weight, equivalent to about 0.000035 ounces or 0.000002 pounds. It is commonly used for measuring small masses, such as medicines, chemicals, vitamins, minerals and microorganisms.
How to Convert Milligrams
Milligrams can be converted to other units of weight by using conversion factors or formulas. Here are some examples of how to convert milligrams to other units of weight in the US customary system and the SI system:
 To convert milligrams to ounces, divide by 28349.523125. For example, 1000 mg = 1000 / 28349.523125 = 0.035 oz.
 To convert milligrams to pounds, divide by 453592.37. For example, 5000 mg = 5000 / 453592.37 = 0.011 lb.
 To convert milligrams to tons (short), divide by 907184740. For example, 10000 mg = 10000 / 907184740 = 0.000011 ton.
 To convert milligrams to grams, divide by 1000. For example, 2000 mg = 2000 / 1000 = 2 g.
 To convert milligrams to kilograms, divide by 1000000. For example, 3000 mg = 3000 / 1000000 = 0.003 kg.
 To convert milligrams to micrograms, multiply by 1000. For example, 50 mg = 50 x 1000 = 50000 µg.
Where Milligrams are Used
Milligrams are used in different countries and regions for different applications and purposes. Here are some examples of where milligrams are used:
 In most countries that use the SI system, milligrams are used for measuring small masses, such as medicines, chemicals, vitamins, minerals and microorganisms.
 In the United States, milligrams are sometimes used for measuring small masses, such as medicines, chemicals, vitamins, minerals and microorganisms.
 In Canada, milligrams are used for measuring small masses, such as medicines, chemicals, vitamins, minerals and microorganisms.
 In Australia and New Zealand, milligrams are used for measuring small masses, such as medicines, chemicals, vitamins, minerals and microorganisms.
 In China, milligrams are used for measuring small masses, such as medicines, chemicals, vitamins, minerals and microorganisms.
History of Milligrams
Milligrams have a long history that dates back to ancient times. Here are some highlights of the history of milligrams:
 The milligram was originally based on the weight of a grain of wheat or barley, which was used as a unit of mass in ancient civilizations such as Egypt, Mesopotamia and Greece.
 The milligram was part of the gramcentimetersecond system of units (CGS) that was developed in the 19th century as an alternative to the meterkilogramsecond system of units (MKS).
 The milligram 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 milligram 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 Milligrams to Other Units
Here are some examples of conversions of milligrams to other units of weight:
 1 mg = 0.000035 oz
 1 mg = 0.000002 lb
 1 mg = 0.0000000011 ton
 1 mg = 0.001 g
 1 mg = 0.000001 kg
 1 mg = 1000 µg
 1 mg = 0.000032 troy oz
 1 mg = 0.000032 apothecaries’ oz
 1 mg = 0.000035 Spanish oz
 1 mg = 0.000034 French oz
Milligrams also can be marked as Milligrammes (alternative British English spelling in UK).
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