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| ==Specific cases== | | ==Specific cases== |
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| ==={{anchor|Units}} Units of measurement that are not obscure=== | | ===Units of measurement that are not obscure=== |
| Units should generally only be linked to if they are likely to be obscure to readers of the article, or if they are being discussed (see [[use–mention distinction]]). So, for example, the [[troy ounce]] or [[bushel]], the [[candela]], [[mho]], or [[millibarn]] might be considered obscure. Units that are relatively common generally don't need to be linked. Other units may be obscure in some countries, but well known in others (such as metric system units, which are not well known in the United States) and so linking them may be useful, unless a [[MOS:CONVERSIONS|conversion]] is present, as in {{xt|{{convert|20|C|F}}}} or {{xt|{{convert|68|F|C}}}}—practically all readers will understand at least one of the measures. | | Units should generally only be linked to if they are likely to be obscure to readers of the article, or if they are being discussed (see [[Wikipedia:Use-mention distinction|use–mention distinction]]). So, for example, the [[Wikipedia:Troy ounce|troy ounce]] or [[Wikipedia:Bushel|bushel]], the [[Wikipedia:Candela|candela]], [[Wikipedia:Mho|mho]], or [[Wikipedia:Millibarn|millibarn]] might be considered obscure. Units that are relatively common generally don't need to be linked. |
| <!--
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| The following table shows some (but not all) units considered to be not-obscure.
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| {| class="wikitable"
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| ! Quantity !! Not obscure in US !! Not obscure in UK !! Not obscure in rest of world
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| |-
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| | Length, area, volume || || Metre/meter || Metre/meter
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| |-
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| | Length, area, volume || Inch, foot, yard, mile || Inch, foot, yard, mile ||
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| |-
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| | Area || Acre || Acre, hectare || Hectare
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| |-
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| | Volume || Litre/liter || Litre/liter || Litre/liter
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| |-
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| | Volume || US fluid ounce, pint, quart, gallon || imperial fluid ounce, pint, quart, gallon ||
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| |-
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| | Mass || || Gram || Gram
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| |-
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| | Mass || Ounce, pound, short ton || Ounce, pound, stone, tonne || tonne
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| |-
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| | Time || Second, minute, hour, day, week, month, year, decade, century, millennium || second, minute, hour, day, week, fortnight, month, year, decade, century, millennium || second, minute, hour, day, week, month, year, decade, century, millennium
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| |-
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| | Speed || Mile per hour || <not-obscure unit of length> divided by time || <not-obscure unit of length> divided by time
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| |-
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| | Temperature || °F || °C || °C
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| |-
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| | Power || Watt, kilowatt || Watt, kilowatt || Watt
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| |-
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| | Power || Horsepower || Horsepower ||
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| |-
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| | Energy || Kilowatt hour || <not-obscure unit of power> multiplied by time || <not-obscure unit of power> multiplied by time
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| |-
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| | Energy || Calorie || Calorie || Calorie
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| |-
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| | Voltage || Volt || Volt || Volt
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| |-
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| | Frequency || Hertz || Hertz || Hertz
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| |-
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| | Information || Bit, byte || Bit, byte || Bit, byte
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| |-
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| | Other || || Prefixes milli, centi, kilo, mega, giga applied to <not obscure SI units> || Prefixes milli, centi, kilo, mega, giga applied to <not obscure SI units>
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| |-
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| | Other || || Squares and cubes of <not obscure units> || Squares and cubes of <not obscure units>
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| |}
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| -->
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| ==External links section== | | ==External links section== |
