Area converter

This area converter allows you to simultaneously convert an area or a surface to several common units like square metre (base unit of surface in the International System of units - SI), square foot, square kilometre.

Enter the area in the second column and the conversion will be performed automatically in all other units.

Common area units :

square millimetre mm2
square metre m2
hectare ha
square kilometre km2
square inch sq in
square foot sq ft
square yard sq yd
square mile sq mi

Less used area units :

square centimetre cm2
square decimetre dm2
centiare ca
square decametre dam2
are a
square hectometre hm2
square nautic mile
rood ro
acre acro
lí (China)
fen (China)
mu (China)
shi (China)
qing (China)
Tsubo (Japan)
Cho (Japan)
Tann (Japan)
Se (Japan)
metric Dunam
Dunam (Cyprus)
Dunam (Iraq)
Greek Stemma

Equivalency between the area and the side of a square

Compute side or diagonal of a square from its surface :

area in m2
side AB in metres m
diagonal AC in metres m

Equivalency between the area and the radius of a disk (or wheel)

Compute radius or diameter of a disk (circle) from its area :

area in m2
radius in metres m
diameter in metres m
circumference in metre m

Calculating the area of a rectangle

Compute rectangle are from its width w and its length L :

area in m2
width w in metres m
length L in metres m

Calculation of the area of a regular polygon

Compute the area of a regular polygon (isosceles triangle, square, pentagon, hexagon, octogon...) en fonction de son côté, de son rayon ou de son apothème :
this tool can also deduct the radius of circumscribed circle from length of a side of the polygon, its apothem or its area (or reverse).

Polygon type
area in m2
radius r in metres m
side a in metres m
apothem h in metres m

Pentagon calculations
Hexagon calculations
Heptagon calculations
Octagon calculations

Area converter

Equivalency between the area and the side of a square

Equivalency between the area and the radius of a disk (or wheel)

Calculating the area of a rectangle

Calculation of the area of a regular polygon

Note

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