The times when you would need complicated tools to compare and calculate the scale of an object are thankfully gone. Now all it takes is a few simple clicks to have the most accurate measurements ready. With the convenient scale calculator at calculatescale.com you can easily convert kilometers to miles or inches to centimeters while taking into account the scale factor, the real length of an object as well as its length on a map. To calculate scale with this web app and use it in your project you won't need any additional skills. Our online scale calculator is extremely intuitive - and what's more, it's also totally free!