This free online length converter will convert millimeters (mm), centimeters (cm), inches (in), feet (ft), yards (yd), meters (m), and miles (mi) to and from their most popular counterparts.
Plus, unlike other online unit converters, this length 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 distance conversion calculator also provides a feature that will allow you to create your own custom, printable, length conversion chart. Just select the type you are converting from and to, enter the desired starting and ending measurements, and click the button. Cool!