Conversion Calculator for Units of
AREA
Type in size . . .

select units . . .
then press

Else
Values are shown to . . . significant figures.
barns
circular mils
circular inches
square mm
square inches
square cm
square feet
square metres
square yards
ares
acres
hectares
square miles
square km
sq.(US survey) feet
US townships
squares (of timber)
Unit shown in red is the SI 'preferred' unit.
Very large and very small numbers appear in e-Format.
Unvalued zeros on all numbers have been suppressed.
Caution
NO guarantee as to the accuracy of these values is given.
And they should be checked against some other source.