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Area unit conversion table

This table contains conversions between almost all area units. Some units of area are common and some are relatively rare. This is a good query tool.  Area Converter

Name of unitSymbolDefinitionRelation to SI units
acre (international)ac≡ 1 ch × 10 ch= 7003404685642240000♠4840 sq yd≡ 7003404685642240000♠4 046.856 4224 m 2
acre (US survey)ac≡ 10 sq ch = 7003404685642240000♠4840 sq yd, also 7003404685642240000♠43 560 sq ft≈ 7003404687300000000♠4 046.873 m 2
area≡ 100 m 2≡ 100 m 2
barnb≡ 10 −28 m 2≡ 10 −28 m 2
barony ≡ 7003400000000000000♠4000 ac≡ 7007161874256895999♠1.618 74256896×10 7 m 2
boardbd≡ 1 in × 1 ft≡ 6997774192000000000♠7.741 92×10 −3 m 2
boiler horsepower equivalent direct radiationbhp EDR≡ 1 ft 2× 1 bhp / (240 BTU IT/h)≈ 7001129581740000000♠12.958 174 m 2
circular inchcirc in≡ ​ π⁄ 4 sq in≈ 6996506707500000000♠5.067 075×10 −4 m 2
circular mil; circular thoucirc mil≡ ​ π⁄ 4 mil 2≈ 6990506707500000000♠5.067 075×10 −10 m 2
cord ≡ 192 bd≡ 7000148644864000000♠1.486 44864 m 2
cuerda (PR Survey)cda≡ 1 cda x 1 cda = 6999971222000000000♠0.971 222acre≡ 7003393039562500000♠3 930.395 625 m 2
dunam ≡ 7003100000000000000♠1000 m 2= 7003100000000000000♠1000 m 2
guntha (India) ≡ 121 sq yd≈ 101.17 m 2
hectareha≡ 7004100000000000000♠10 000 m 2≡ 7004100000000000000♠10 000 m 2
hide ≈ 120 ac (variable)≈ 7005500000000000000♠5 ×10 5 m 2
roodro≡ ​ 1⁄ 4 ac= 7003101171410560000♠1 011.714 1056 m 2
ping≡ ​ 20⁄ 11 m × ​ 20⁄ 11 m≈ 7000330600000000000♠3.306 m 2
section≡ 1 mi × 1 mi= 7006258998811033599♠2.589 988110336×10 6 m 2
shed ≡ 10 −52 m 2= 10 −52 m 2
square (roofing)≡ 10 ft × 10 ft= 7000929030400000000♠9.290 304 m 2
square chain (international)sq ch≡ 66 ft × 66 ft= ​ 1⁄ 10ac≡ 7002404685642240000♠404.685 64224 m 2
square chain (US Survey)sq ch≡ 66 ft (US) × 66 ft (US)= ​ 1⁄ 10US survey acre≈ 7002404687300000000♠404.6873 m 2
square footsq ft≡ 1 ft × 1 ft≡ 6998929030400000000♠9.290 304×10 −2 m 2
square foot (US Survey)sq ft≡ 1 ft (US) × 1 ft (US)≈ 6998929034116132750♠9.290 3411613275×10 −2 m 2
square inchsq in≡ 1 in × 1 in≡ 6996645160000000000♠6.4516 ×10 −4 m 2
square kilometrekm 2≡ 1 km × 1 km= 10 6m 2
square link (Gunter's)(International)sq lnk≡ 1 lnk × 1 lnk ≡ 0.66 ft × 0.66 ft= 6998404685642240000♠4.046 8564224×10 −2 m 2
square link (Gunter's)(US Survey)sq lnk≡ 1 lnk × 1 lnk≡ 0.66 ft (US) × 0.66 ft (US)≈ 6998404687200000000♠4.046 872×10 −2 m 2
square link (Ramsden's)sq lnk≡ 1 lnk × 1 lnk ≡ 1 ft × 1 ft= 6998929030400000000♠0.092 90304 m 2
square metre (SI unit)m 2≡ 1 m × 1 m= 1 m 2
square mil; square thousq mil≡ 1 mil × 1 mil= 6990645160000000000♠6.4516 ×10 −10 m 2
square milesq mi≡ 1 mi × 1 mi≡ 7006258998811033599♠2.589 988110336×10 6 m 2
square mile (US Survey)sq mi≡ 1 mi (US) × 1 mi (US)≈ 7006258999846999999♠2.589 99847×10 6 m 2
square rod/pole/perchsq rd≡ 1 rd × 1 rd= 7001252928526400000♠25.292 85264 m 2
square yard (International)sq yd≡ 1 yd × 1 yd≡ 6999836127360000000♠0.836 12736 m 2
stremma ≡ 7003100000000000000♠1000 m 2= 7003100000000000000♠1000 m 2
township ≡ 36 sq mi (US)≈ 7007932399400000000♠9.323 994×10 7 m 2
yardland ≈ 30 ac≈ 7005120000000000000♠1.2 ×10 5 m 2