The Calculator bundled in Zenfone can easily carry out many kinds of unit conversions.
1. Activate the Calculator application , tap icon 
at the left corner and select Unit Converter.
2. Many units of measure are listed in the top menu (E.g. Distance / Area / Mass / Volume) and you can swipe left to find more selections.
3. Select the unit and amount you want to convert (E.g. meter (m) and input 1) . The Converter will automatically generate the result in all other units of measure. (E.g. 100 cm)
