This calculator converts between the following area measurements:

acre

hectare

square inch

square foot

square yard

square mile

square millimeter

square meter

square kilometer

This calculator has 1 input.

acre

hectare

square inch

square foot

square yard

square mile

square millimeter

square meter

square kilometer

This calculator has 1 input.

- area
- Number of square units covering the shape
- area conversions
- conversion
- a number used to change one set of units to another, by multiplying or dividing
- distance
- interval between two points in time

d = rt - foot
- a unit of length in the customary system of measurement equal to 12 inches
- inch
- a unit of length in the customary system of measurement. 1/12 of a foot.
- meter
- the basic unit of length in the SI system of units. The meter is defined to be the distance light travels through a vacuum in exactly 1/299792458 seconds. An interesting effect of the definition of the meter this way is that it fixes the speed of light in a vacuum to the exact value of 299,792,458 m/s.
- yard
- a unit of length in the customary system of measurement equal to 3 feet or 36 inches