Circular Inch. Conversion Chart

This converter features contemporary units of area. There is also a special converter for historical units of area you might want to visit for ancient, medieval and other old units that are no longer used.
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1This is a conversion chart for circular inch (Units for Measuring Wire Gauges). To switch the unit simply find the one you want on the page and click it.
You can also go to the universal conversion page.
2Enter the value you want to convert (circular inch). Then click the Convert Me button.
Your value gets instantly converted to all other units on the page.
3Now find the unit you want and get the conversion result next to it. It's your answer.

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  1. Enter the value of your unit (circular inch).
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Metric

circular inch to square kilometer (km²)
circular inch to hectare
circular inch to decare
circular inch to are (a)
circular inch to square meter (m²)
circular inch to square decimeter (dm²)
circular inch to square centimeter (cm²)
circular inch to square millimeter (mm²)
circular inch to barn (b)
Units: square kilometer (km²)  / hectare  / decare  / are (a)  / square meter (m²)  / square decimeter (dm²)  / square centimeter (cm²)  / square millimeter (mm²)  / barn (b)
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British (Imperial) And U.S. System

circular inch to township
circular inch to square mile
circular inch to homestead
circular inch to acre
circular inch to rood
circular inch to square rod
circular inch to perch
circular inch to square yard (yd²)
circular inch to square foot (ft²)
circular inch to square inch (in²)
circular inch to square mil (th²)
Units: township  / square mile  / homestead  / acre  / rood  / square rod  / perch  / square yard (yd²)  / square foot (ft²)  / square inch (in²)  / square mil (th²)
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Historical Units Still In Use Today

Some older units managed to survive and are still used nowadays. They were rounded up in accordance to current measurements (either metric or imperial) while keeping their old names. For each of the units below we specify the country where it is in use.
circular inch to dulum (дулум) of Bosnia and Herzegovina and Serbia
circular inch to dynym or dylym of Albania
circular inch to donum of Cyprus
circular inch to skales (σκάλες) of Cyprus
circular inch to stremma (στρέμμα) of Greece
circular inch to Turkish stremma of Greece
circular inch to dunam of Iraq
circular inch to dunam (dönüm, دونم) of Turkey, Syria, Israel, Palestine, Jordan, Lebanon
circular inch to old (pre 1928) dunam (dönüm, دونم) of Turkey, Syria, Israel, Palestine, Jordan, Lebanon
circular inch to feddan (فدّان‎) of Egypt, Sudan, Syria, Sultanate of Oman
circular inch to kirat (قيراط) of Egypt
circular inch to manzana of Argentina
circular inch to manzana of Belize
circular inch to manzana of Costa Rica
circular inch to manzana of Guatemala
circular inch to manzana of Honduras
circular inch to manzana of Nicaragua
circular inch to cuadra of Argentina
circular inch to cuadra of Chile
circular inch to cuadra of Ecuador
circular inch to cuadra of Paraguay
circular inch to cuadra of Peru
circular inch to cuadra of Uruguay
circular inch to square vara of Panama and Columbia
circular inch to square vara of Chile, Costa Rica, Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Peru, São Tomé and Principe, Venezuela
circular inch to square vara of Cuba
circular inch to square vara of Argentina, Paraguay, Uruguay
circular inch to square vara of Brazil
Units: dulum (дулум) of Bosnia and Herzegovina and Serbia  / dynym or dylym of Albania  / donum of Cyprus  / skales (σκάλες) of Cyprus  / stremma (στρέμμα) of Greece  / Turkish stremma of Greece  / dunam of Iraq  / dunam (dönüm, دونم) of Turkey, Syria, Israel, Palestine, Jordan, Lebanon  / old (pre 1928) dunam (dönüm, دونم) of Turkey, Syria, Israel, Palestine, Jordan, Lebanon  / feddan (فدّان‎) of Egypt, Sudan, Syria, Sultanate of Oman  / kirat (قيراط) of Egypt  / manzana of Argentina  / manzana of Belize  / manzana of Costa Rica  / manzana of Guatemala  / manzana of Honduras  / manzana of Nicaragua  / cuadra of Argentina  / cuadra of Chile  / cuadra of Ecuador  / cuadra of Paraguay  / cuadra of Peru  / cuadra of Uruguay  / square vara of Panama and Columbia  / square vara of Chile, Costa Rica, Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Peru, São Tomé and Principe, Venezuela  / square vara of Cuba  / square vara of Argentina, Paraguay, Uruguay  / square vara of Brazil
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Units for Measuring Wire Gauges

These units are referring to the area of a wire with a circular cross section. One circular mil denote an area, equal to the area of a circle with a diameter of one mil.

You can find a comprehensive list of wire gauge units on our special wire gauge conversion page.

circular inch to thousand of circular mils (kcmil, MCM)
circular inch to circular mil (cmil)
Units:  / thousand of circular mils (kcmil, MCM)  / circular mil (cmil)
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Japanese

circular inch to shaku (勺)
circular inch to go (合)
circular inch to jo (畳)
circular inch to tsubo (坪)
circular inch to bu (歩)
circular inch to se (畝)
circular inch to tan (段, 反)
circular inch to cho (町, 町歩)
Units: shaku (勺)  / go (合)  / jo (畳)  / tsubo (坪)  / bu (歩)  / se (畝)  / tan (段, 反)  / cho (町, 町歩)
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Chinese units of 1930

circular inch to qing (頃 or 顷)
circular inch to mu (畝 or 亩)
circular inch to fen (市分)
circular inch to fang zhang (方丈) (zhang²)
circular inch to li (釐 or 厘)
circular inch to hao (毫)
circular inch to fang chi (方尺) (chi²)
circular inch to fang cun (方寸) (cun²)
Units: qing (頃 or 顷)  / mu (畝 or 亩)  / fen (市分)  / fang zhang (方丈) (zhang²)  / li (釐 or 厘)  / hao (毫)  / fang chi (方尺) (chi²)  / fang cun (方寸) (cun²)
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Chinese units of 1915

circular inch to qing (頃 or 顷)
circular inch to mu (畝 or 亩)
circular inch to fen (分)
circular inch to fang zhang (方丈) (zhang²)
circular inch to li (釐 or 厘)
circular inch to hao (毫)
circular inch to fang chi (方尺) (chi²)
circular inch to fang cun (方寸) (cun²)
Units: qing (頃 or 顷)  / mu (畝 or 亩)  / fen (分)  / fang zhang (方丈) (zhang²)  / li (釐 or 厘)  / hao (毫)  / fang chi (方尺) (chi²)  / fang cun (方寸) (cun²)
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Thai units

Some of these units are still in use even though metric system was formally established in 1923. Before the metrication the old units were standartied to exact metric values.
circular inch to rai (ไร่)
circular inch to ngan (งาน)
circular inch to tarang wah (ตารางวา, square wa)
Units: rai (ไร่)  / ngan (งาน)  / tarang wah (ตารางวา, square wa)
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Natural units

In physics, natural units are physical units of measurement based only on universal physical constants. The origin of their definition comes only from properties of nature and not from any human construct.
circular inch to Planck area (L²)
Units: Planck area (L²)

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