b - Barn. 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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This converter is very easy. Really.

1This is a conversion chart for barn (Metric). 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 (barn). 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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Conversion settings explained

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Number of significat figures

Do you want rounded off figures or scientifically precise ones? For everyday conversions we recommend choosing 3 or 4 significant digits. If you want maximum precision, set the number to 9

Digit groups separator

Choose how you want to have your digit groups separated in long numbers:

1234567.89none
1 234 567.89space
1,234,567.89comma
1.234.567,89point

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  • Significant figures:
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Your value (barn, b):
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Metric

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

barn to township
barn to square mile
barn to homestead
barn to acre
barn to rood
barn to square rod
barn to perch
barn to square yard (yd²)
barn to square foot (ft²)
barn to square inch (in²)
barn 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.
barn to dulum (дулум) of Bosnia and Herzegovina and Serbia
barn to dynym or dylym of Albania
barn to donum of Cyprus
barn to skales (σκάλες) of Cyprus
barn to stremma (στρέμμα) of Greece
barn to Turkish stremma of Greece
barn to dunam of Iraq
barn to dunam (dönüm, دونم) of Turkey, Syria, Israel, Palestine, Jordan, Lebanon
barn to old (pre 1928) dunam (dönüm, دونم) of Turkey, Syria, Israel, Palestine, Jordan, Lebanon
barn to feddan (فدّان‎) of Egypt, Sudan, Syria, Sultanate of Oman
barn to kirat (قيراط) of Egypt
barn to manzana of Argentina
barn to manzana of Belize
barn to manzana of Costa Rica
barn to manzana of Guatemala
barn to manzana of Honduras
barn to manzana of Nicaragua
barn to cuadra of Argentina
barn to cuadra of Chile
barn to cuadra of Ecuador
barn to cuadra of Paraguay
barn to cuadra of Peru
barn to cuadra of Uruguay
barn to square vara of Panama and Columbia
barn to square vara of Chile, Costa Rica, Dominican Republic, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Peru, São Tomé and Principe, Venezuela
barn to square vara of Cuba
barn to square vara of Argentina, Paraguay, Uruguay
barn 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.

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

barn to shaku (勺)
barn to go (合)
barn to jo (畳)
barn to tsubo (坪)
barn to bu (歩)
barn to se (畝)
barn to tan (段, 反)
barn 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

barn to qing (頃 or 顷)
barn to mu (畝 or 亩)
barn to fen (市分)
barn to fang zhang (方丈) (zhang²)
barn to li (釐 or 厘)
barn to hao (毫)
barn to fang chi (方尺) (chi²)
barn 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

barn to qing (頃 or 顷)
barn to mu (畝 or 亩)
barn to fen (分)
barn to fang zhang (方丈) (zhang²)
barn to li (釐 or 厘)
barn to hao (毫)
barn to fang chi (方尺) (chi²)
barn 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.
barn to rai (ไร่)
barn to ngan (งาน)
barn 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.
barn to Planck area (L²)
Units: Planck area (L²)

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