Area Conversion Calculator Enter a value and click the "Convert" button to get the equivalent value in different units of measurements. Square Feet: Square Yards: Square Meters: Acres: Hectares: Grounds: Cents:   * The calculator is accurate up to (9 digits) which is the generally accepted calculation. Note: All of the conversions on this site are completely free for personal and commercial use. The accuracy and correctness of these calculators and tables is NOT guaranteed however- in short use it for your rough estimations.