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Acres

The acre is a unit of land area used in the imperial and US customary systems. It is defined as the area of 1 chain by 1 furlong (66 by 660 feet), which is exactly equal to  1/640 of a square mile, 43,560 square feet, approximately 4,047 m2, or about 40% of a hectare.

The acre is commonly used in Antigua and Barbuda Australia, American Samoa, the Bahamas, Belize, the British Virgin Islands, the Cayman Islands, Canada, Dominica, the Falkland Islands, Grenada, Ghana, Guam, the Northern Mariana Islands, India, Sri Lanka, Bangladesh, Nepal, Ireland, Jamaica, Montserrat, Myanmar, Pakistan, Samoa, St. Lucia, St. Helena, St. Kitts and Nevis, St. Vincent and the Grenadines, Turks and Caicos, the United Kingdom, the United States and the US Virgin Islands.

The international symbol of the acre is ac. The most commonly used acre today is the international acre. In the United States both the international acre and the US survey acre are in use, but differ by only two parts per million, see below. The most common use of the acre is to measure tracts of land. One international acre is defined as exactly 4,046.8564224 square metres.

Acres
Symbol/abbreviation: ac
Unit of: AREA
AREA's base unit: square meters (Non-SI/Derived Unit)
In relation to the base unit (square meters), 1 Acres = 4046.86 square meters.
[Conversion table] 1 Acres (ac) to all area units
1 ac= 1 acres (ac)
1 ac= 40.4686 ares (a)
1 ac= 1.0013801956084 arpents (arp)
1 ac= 4.04686E+31 barns (barn)
1 ac= 0.404686 bunders (b)
1 ac= 0.31371007751938 carreau (carreau)
1 ac= 0.0083268724279835 carucate (carucate)
1 ac= 0.75000066303316 cawneys (cawney)
1 ac= 4046.86 centiares (ca)
1 ac= 7986580.0289121 circular inches (c in)
1 ac= 7986580359908.2 circular mils (c mil)
1 ac= 1.0296317180538 cuerdas (cuerda)
1 ac= 4.04686 decares (daa)
1 ac= 404.686 deciares (da)
1 ac= 4.04686 dekares (daa )
1 ac= 239.04896922441 dhurs (dhur)
1 ac= 4.04686 dunams (dunam)
1 ac= 6.0832519508393E+31 electron cross sections (ecs)
1 ac= 3.9988735177866 farthingales (fa)
1 ac= 0.9635380952381 feddans (feddan)
1 ac= 0.75625068325605 football fields (ff)
1 ac= 0.404686 hectares (ha)
1 ac= 0.0062500055253149 homesteads (hs)
1 ac= 2.02343 jeribs (jerib)
1 ac= 2498.0617283951 jo JAPAN (jo)
1 ac= 26.234020484896 kapplands (kapp)
1 ac= 0.47237772849305 morgen SOUTH AFRICA (morgen)
1 ac= 0.050000044478969 nooks (nook)
1 ac= 0.067447666666667 oxgangs (oxgangs)
1 ac= 1224.1733443443 pings (ping)
1 ac= 1.5492745300716E+73 planck areas (Ap)
1 ac= 0.632321875 plazas (plaza)
1 ac= 1224.1733443443 pyeongs (pyeong)
1 ac= 2.5292875 rais (ไร่)
1 ac= 4.0000035361769 roods (rood)
1 ac= 43560.038508966 sabins (sabin)
1 ac= 0.0015625013813408 sections (section)
1 ac= 0.56678711484594 soccer fields (soccer field)
1 ac= 4.04686E+23 square angstroms (Å2, sq Å)
1 ac= 1.8082869773408E-19 square astronomical units (au2, sq au)
1 ac= 62742015503.876 square calibers (sq cal)
1 ac= 40468600 square centimeters (cm2, sq cm)
1 ac= 10.000008840442 square chains (sq ch)
1 ac= 19360.017115096 square cubits (sq cubit)
1 ac= 40.4686 square decameters (dam2, sq dam)
1 ac= 404686 square decimeters (dm2, sq dm)
1 ac= 40.4686 square dekameters (dm2, sq dam)
1 ac= 11151369.858295 square digits (sq digit)
1 ac= 1210.0008670926 square fathoms (sq fath)
1 ac= 43560.057264028 square feet (ft2, sq ft)
1 ac= 0.404686 square hectometers (hm2, sq hm)
1 ac= 6272645.5452911 square inches (in2, sq in)
1 ac= 0.00404686 square kilometers (km2, sq km)
1 ac= 0.00013109728759496 square leagues NAUTICAL (sq leag [nautical])
1 ac= 0.00017361057188108 square leagues US STATUTE (sq leag [US statute])
1 ac= 99999.688648464 square links GUNTER SURVEY (sq li [survey])
1 ac= 43559.864087661 square links RAMDEN ENGINEER (sq li [engineer])
1 ac= 4046.86 square meters (m2, sq m)
1 ac= 4.04686E+15 square micrometers (μ2, sq μ)
1 ac= 0.0015625013815218 square miles (mi2, sq mi)
1 ac= 4046860000 square millimeters (mm2, sq mm)
1 ac= 6272645545291.1 square mils (sq mil)
1 ac= 4.04686E+21 square nanometers (nm2, sq nm)
1 ac= 4.2502744368068E-30 square parsecs (sq pc)
1 ac= 160.00014144707 square perch (sq perch)
1 ac= 160.00014144707 square poles (sq pole)
1 ac= 160.00014144707 square rods (sq rod)
1 ac= 4840.004278774 square yards (yd2, sq yd)
1 ac= 1.493857511997 stangs (stang)
1 ac= 2498.0617283951 tatamis JAPAN (tatami)
1 ac= 0.73365844815083 tonde land (tondeland)
1 ac= 4.3402816147797E-5 townships (township)
1 ac= 1224.1696412366 tsubo (tsubo)
1 ac= 0.81979985414472 tunnlands (tunnland)
1 ac= 5791.6784140528 varas castellanas cuads (varas-castellana)
1 ac= 643.51982378364 varas conuqueras cuads (varas-conuquera)
1 ac= 0.033723833333333 virgates (virgate)