Area converter. Conversion area units.

Metric system

square kilometer - km2

hectare - ha

decare

are (area) - a

square meter - m2

square decimeter - dm2

square centimeter - cm2

millimeter square - mm2

square micrometers - μm2

square nanometer - nm2

barn - b

British and US units

township

square mile

homestead

acre

rood

square rod

perch

square

square yard - yd2

square foot - ft2

square inch - in2

Japanese units

shaku - 勺

go - 合

jo - 畳

tsubo - 坪

bu - 歩

se - 畝

tan - 段, 反

cho - 町, 町歩

Chinese imperial units

Thai units

rai

ngan

talang wah

Old French units

arpent

royal square perche

square toise

square pied

square pouce

Old Spanish units

league (square)

labor

square vara

Old Russian system

desyatina (breech)

desyatina (farmery)

square verst

square arshin

square foot

Old Roman units

salt

century

geredium

uger

square akt

klima

square akt (small)

square decimpeda

square ped (ordinary)

square ped (legal)