This free online area converter will convert acres (ac), hectares (ha), square miles (mi2), square kilometers (km2), square yards (yd2), square meters (m2), and square feet (ft2) to and from their most popular counterparts.
Plus, unlike other online unit converters, this area converter will show the formula it used for converting as well as the step-by-step math it used to complete the conversion.
Finally, the area conversion calculator also provides a feature that will allow you to create your own custom, printable, area conversion chart. Just select the type you are converting from and to, enter the desired starting and ending measurements, and click the button. Cool!
The following conversion chart lists the formulas used by the calculator to calculate its area conversions.
|Acres to Hectares||ac to ha||ac x 0.404686|
|Hectares to Acres||ha to ac||ha x 2.471054|
|Acres to Square Feet||ac to ft2||ac x 43560|
|Square Feet to Acres||ft2 to ac||ft2 x 0.000023|
|Acres to Square Kilometers||ac to km2||ac x 0.004047|
|Square Kilometers to Acres||km2 to ac||km2 x 247.10538147|
|Acres to Square Meters||ac to m2||ac x 4046.856422|
|Square Meters to Acres||m2 to ac||m2 x 0.000247|
|Acres to Square Miles||ac to mi2||ac x 0.001563|
|Square Miles to Acres||mi2 to ac||mi2 x 640|
|Acres to Square Yards||ac to yd2||ac x 4840|
|Square Yards to Acres||yd2 to ac||yd2 x 0.000207|
|Square Feet to Hectares||ft2 to ha||ft2 x 0.000009|
|Hectares to Square Feet||ha to ft2||ha x 107639.10417|
|Square Miles to Hectares||mi2 to ha||mi2 x 258.998811|
|Hectares to Square Miles||ha to mi2||ha x 0.003861|
With that, let's use the Area Conversion Calculator to convert acres, hectares, square miles, square kilometers, etc., or to create a custom, printable area conversion chart.
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To Help You To
Measurement input field: Enter the area measurement conversion units to convert from the type listed in bold on this line.
Convert Area button: After entering the area measurement conversion units to convert, select your preference for rounding the results (number of decimal places) and then click this button to complete the conversion.
Measurement output field: This is the area measurement conversion units entered above, converted to the type listed in bold on this line.
Printable Area Conversion Chart button: To create a custom area conversion chart that you can print out, select the conversion type from the drop-down menu and enter the starting and ending measurement based on the first abbreviation appearing in the selected conversion type. Clicking this button will open a printer friendly window containing your custom area conversion chart.