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* in articles in which both types of prefix are used with neither clearly primary, or in which converting all quantities to one or the other type would be misleading or lose necessary precision, or declaring the actual meaning of a unit on each use would be impractical. | * in articles in which both types of prefix are used with neither clearly primary, or in which converting all quantities to one or the other type would be misleading or lose necessary precision, or declaring the actual meaning of a unit on each use would be impractical. | ||
== | ==Currencies and monetary values== | ||
===Choice of currency=== | ===Choice of currency=== | ||
* In '''country-specific articles''', such as [[Economy of Australia]], use the currency of the subject country. | * In '''country-specific articles''', such as [[Wikipedia:Economy of Australia|Economy of Australia]], use the currency of the subject country. | ||
* In '''non-country-specific articles''' such as [[Wealth]], use US dollars ({{xt|$123}}), euros ({{xt|€123}}), or pounds sterling ({{xt|£123}}). | * In '''non-country-specific articles''' such as [[Wikipedia:Wealth|Wealth]], use US dollars ({{xt|$123}}), euros ({{xt|€123}}), or pounds sterling ({{xt|£123}}). | ||
===Currency names=== | ===Currency names=== | ||
* Do not capitalize the names or denominations of currencies, currency subdivisions, coins and banknotes: not {{!xt|a Five-Dollar bill, four Quarters, and one Penny total six Dollars one Cent}} but {{xt|a five-dollar bill, four quarters, and one penny total six dollars one cent}}. ''Exception:'' where otherwise required, as at the start of a sentence or in such forms as {{xt| | * Do not capitalize the names or denominations of currencies, currency subdivisions, coins and banknotes: not {{!xt|a Five-Dollar bill, four Quarters, and one Penny total six Dollars one Cent}} but {{xt|a five-dollar bill, four quarters, and one penny total six dollars one cent}}. ''Exception:'' where otherwise required, as at the start of a sentence or in such forms as {{xt|Interstellar Kredits}}. | ||
* To pluralize {{xtn|euro}} use the standard English plurals ({{xt|ten euros and fifty cents}}), not the [[Linguistic issues concerning the euro#English|invariant plurals used for European Union legislation and banknotes]] ({{!xt|ten euro and fifty cent}}). For the adjectival form, use a hyphenated singular: ({{xt|a two-euro pen and a ten-cent coin}}). | * To pluralize {{xtn|euro}} use the standard English plurals ({{xt|ten euros and fifty cents}}), not the [[Wikipedia:Linguistic issues concerning the euro#English|invariant plurals used for European Union legislation and banknotes]] ({{!xt|ten euro and fifty cent}}). For the adjectival form, use a hyphenated singular: ({{xt|a two-euro pen and a ten-cent coin}}). | ||
===Currency symbols=== | ===Currency symbols=== | ||
* In general, the first mention of a particular currency should use its full, unambiguous signifier (e.g. {{xt|A$52}}), with subsequent references using just the appropriate symbol (e.g. {{xt|$88}}), unless this would be unclear. {{em|Exceptions:}} | * In general, the first mention of a particular currency should use its full, unambiguous signifier (e.g. {{xt|A$52}}), with subsequent references using just the appropriate symbol (e.g. {{xt|$88}}), unless this would be unclear. {{em|Exceptions:}} | ||
:* In an article referring to multiple currencies represented by the same symbol (e.g. the dollars of the US, Canada, Australia, New Zealand, and other countries{{snd}} | :* In an article referring to multiple currencies represented by the same symbol (e.g. the dollars of the US, Canada, Australia, New Zealand, and other countries{{snd}}''see [[Wikipedia:Currency symbols#dollar variants|Wikipedia:Dollar variants'') use the full signifier (e.g. {{xt|US$}}, {{xt|A$}}) each time, except (possibly) where a particular context makes this both unnecessary and undesirable. | ||
:* In articles entirely on EU-, UK- and/or US-related topics, all occurrences may be shortened ({{xt|€26}}, {{xt|£22}} or {{xt|$34}}), unless this would be unclear. | :* In articles entirely on EU-, UK- and/or US-related topics, all occurrences may be shortened ({{xt|€26}}, {{xt|£22}} or {{xt|$34}}), unless this would be unclear. | ||
* The [[pound sterling]] is represented by the {{xt|£}} symbol, with one horizontal bar. The double-barred {{!xt|₤}} symbol is ambiguous, as it has also been used for the [[Italian lira]] and other currencies. For non-British currencies that use pounds or a pound symbol (e.g. the [[Irish pound]], IR£) use the symbol conventionally preferred for that currency. | * The [[Wikipedia:Pound sterling|pound sterling]] is represented by the {{xt|£}} symbol, with one horizontal bar. The double-barred {{!xt|₤}} symbol is ambiguous, as it has also been used for the [[Wikipedia:Italian lira|Italian lira]] and other currencies. For non-British currencies that use pounds or a pound symbol (e.g. the [[Wikipedia:Irish pound|Irish pound]], IR£) use the symbol conventionally preferred for that currency. | ||
* If there is no common English abbreviation or symbol, follow the [[ISO 4217]] standard. | * If there is no common English abbreviation or symbol, follow the [[Wikipedia:ISO 4217|ISO 4217]] standard. ''See also [[Wikipedia:List of circulating currencies|List of circulating currencies]].'' | ||
==={{Anchor|Formatting of monetary values}}Formatting=== | ==={{Anchor|Formatting of monetary values}}Formatting=== | ||