SwpkUnitChange is an app that has four category (Length,Area,Weight,Volume).It will take input in meter and allow you to convert in mm, cm , inch , foot , yard, mile ,kilometre , and nano meter for Length, Area, Weight And Volume Category.The app is handy because it covers almost all major type of measurement .so you don’t need to take our and calculate manually to get your desired value.you can change your entering value measurement by tapping on the default green button that will take you to option and choose your desired option .