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Area Unit Conversion Calculator for web designers

This Area Unit Conversion Calculator is available for webmasters to include on any web site.  Click on the link or button to view the calculator.  Simply copy the html/JavaScript code in the text area below and insert in the html code of your web page.

Common Units of Area

Metric Units of Area
1 square centimeter (sq cm.)= 1/10,000 square meter
1 square decimeter (sq dm.) = 1/100 square meter
1 square meter (sq m; basic unit of area)
1 are (a) = 100 square meters
1 hectare (ha) = 10,000 square meters = 100 ares
1 square kilometer (sq km.) = 1,000,000 square meters

Conversion Factors for Units of Area
1 square inch = 6.45 square centimeters
1 square foot = 0.093 square meter
1 square yard = 0.84 square meter
1 acre = 0.405 hectare
1 square mile = 2.59 square kilometers
1 square centimeter = 0.155 square inch
1 square meter = 1.2 square yards = 10.8 square feet
1 hectare = 2.47 acres
1 square kilometer = 0.386 square mile

Common Units of Area (American and British)
1 square inch (sq in.) = 1/1,296 square yard = 1/144 square foot
1 square foot (sq ft) = 1/9 square yard = 144 square inches
1 square yard (sq yd; basic unit of area) = 9 square feet
1 square rod (sq rd) = 30 1/4 square yards
1 acre = 4,840 square yards = 160 square rods
1 square mile (sq mi) = 3,097,600 square yards = 640 acre

Calculators for Web Designers