Gram
Unit sign	g
Measure	Mass
Base Unit	Kilogram
Multiple of Base	10-3
System	SI, CGS, other
Common usage	Commonly used in cooking and food labeling
Examples
One millilitre of water is 1 g at 4 °C. Mass is a fundamental concept in Physics, roughly corresponding to the Intuitive idea of how much Matter there is in an object The centimetre-gram-second system ( CGS) is a system of physical units. The litre or liter (see spelling differences) is a unit of Volume. Water is a common Chemical substance that is essential for the survival of all known forms of Life. Typical coins: a euro is 7. Linguistic 5 g and a US penny is 2. The United States one-cent coin is a unit of Currency equaling one one-hundredth of a United States dollar. 5 g
Conversion
SI	10 dg= 1 g = 0. 1 dag = 0. 001 kg
Imperial	1 g ≈ 0. Imperial units or the Imperial system is a collection of units first defined in the British Weights and Measures Act of 1824 0353 ounce ≈ 0. This article is about the unit of mass For the unit of force see Pound-force. 00220 pound
see also: Orders of magnitude (mass)
Next units
decigram	<	Gram	<	decagram

For other uses of the words gram or gramme, see gram (disambiguation).

The gram (sometimes gramme in British English, although gram prevails), (Greek/Latin root grámma); symbol g, is a unit of mass. British English or UK English ( BrE, BE, en-GB) is the broad term used to distinguish the forms of the English language used in the Mass is a fundamental concept in Physics, roughly corresponding to the Intuitive idea of how much Matter there is in an object

Originally defined as "the absolute weight of a volume of pure water equal to the cube of the hundredth part of a metre, and at the temperature of melting ice"^[1] (later 4 °C), a gram is now defined as one one-thousandth of the SI base unit, the kilogram, or 1×10^-3 kg, which itself is defined as being equal to the mass of a physical prototype preserved by the International Bureau of Weights and Measures. Water is a common Chemical substance that is essential for the survival of all known forms of Life. The metre or meter is a unit of Length. It is the basic unit of Length in the Metric system and in the International Scientific notation, also sometimes known as standard form or as exponential notation, is a way of writing numbers that accommodates values too large or small to be The International Bureau of Weights and Measures ( Bureau international des poids et mesures, in French) is an international Standards organization, one

Contents 1 Other abbreviations 2 History 3 Uses 4 SI multiples 5 Conversion factors 6 References 7 See also 8 External links

Other abbreviations

The International System of Units abbreviation for the gram is g, and follows the numeric value with a space, as in "200 g"^[2][3]. In some fields and regions, the international standard symbols for units are used quite strictly, in particular in technical and scientific publications and in legally regulated product labels. In other contexts (e. g. , grocery market traders), a wide range of other abbreviations can also be encountered, such as gr, gm, grm, gms, grms.

History

It was the base unit of mass in the original French metric system and the later centimetre-gram-second (CGS) system of units. The metric system is a decimalised system of measurement. It exists in several variations with different choices of base units, though the choice of base units does The centimetre-gram-second system ( CGS) is a system of physical units. The word originates from late Latin gramma – a small weight. Latin ( lingua Latīna, laˈtiːna is an Italic language, historically spoken in Latium and Ancient Rome.

Uses

The gram is today the most widely used unit of measurement for non-liquid ingredients in cooking and grocery shopping worldwide. For food products that are typically sold in quantities far less than 1 kg, the unit price is normally given per 100 g.

Most standards and legal requirements for nutrition labels on food products require relative contents to be stated per 100 g of the product, such that the resulting figure can also be read as a percentage.

SI multiples

Because SI prefixes may not be concatenated (serially linked) within the name or symbol for a unit of measure, SI prefixes are used with the gram, not the kilogram, which already has a prefix as part of its name. An SI prefix (also known as a metric prefix) is a name or associated symbol that precedes a unit of measure (or its symbol to form a Decimal multiple or ^[4] For instance, one-millionth of a kilogram is 1 mg (one milligram), not 1 µkg (one microkilogram).

• When the Greek lowercase “µ” (mu) in the symbol of microgram is typographically unavailable, it is occasionally—although not properly—replaced by Latin lowercase “u”.
• The microgram is often abbreviated “mcg”, particularly in pharmaceutical and nutritional supplement labeling, to avoid confusion since the “µ” prefix is not well recognized outside of technical disciplines. ^[6] Note however, that the abbreviation “mcg”, is also the symbol for an obsolete CGS unit of measure known as the “millicentigram,” which is equal to 10 µg. The centimetre-gram-second system ( CGS) is a system of physical units.
• The unit name “megagram” is rarely used, and even then, typically only in technical fields in contexts where especially rigorous consistency with the units of measure is desired. For most purposes, the term “tonne,” or “metric ton” is instead used. This article is about the tonne or metric ton For other tons see Ton. Further, whereas unit name “megatonne” or “megaton” (Mt) is often used in popular literature on global climate change, the equivalent value in scientific literature on the subject is the “teragram” (Tg). Climate change is any long-term significant change in the “average weather” that a given region experiences

Conversion factors

• 1 grain = 0. 06479891 gram
• 1 ounce (avoirdupois) = 28. The avoirdupois (ˌævərdəˈpɔɪz French avwaʀdypwɑ system is a system of weights (or properly Mass) based on a pound of sixteen Ounces 349523125 grams
• 1 ounce (troy) = 31. Troy weight is a system of units of Mass customarily used for Precious metals Black powder, and Gemstones Named after Troyes 1034768 grams
• 1 gram = 15. 4323583529 grains
• 1 gram = 89,875,517,870,000 joules (≈9. The joule (written in lower case ˈdʒuːl or /ˈdʒaʊl/ (symbol J) is the SI unit of Energy measuring heat, Electricity 0 ×10¹³ J/g)

References

1. ^ Décret relatif aux poids et aux mesures, 1795
2. ^ SI brochure, Section 3.2
3. ^ NIST Special Publication 811
4. ^ NIST: SI prefixes (link to Web site).  
5. ^ Criterion: A combined total of at least 250,000 Google hits on both the U. S. spelling (-gram) and the U. K. /International spelling (-gramme).  
6. ^ The practice of using the abbreviation “mcg” rather than the SI symbol “µg” was formally mandated for medical practitioners in 2004 by the Joint Commission on Accreditation of Healthcare Organizations (JCAHO) in their “Do Not Use” List: Abbreviations, Acronyms, and Symbols because hand-written expressions of “µg” can be confused with “mg”, resulting in a thousand-fold overdosing. The mandate was also adopted by the Institute for Safe Medication Practices. 

See also

• Conversion of units
• Gold gram

External links

• grams (weight) conversion to spoons (volume) as used in cooking

Conversion of units refers to conversion factors between different Units of measurement for the same Quantity. A gold gram is the amount of value represented by exactly one Gram of Gold.

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