SensibleUnits.com can now read any number and unit that you type into the input box. So you can just type "200 m" and results will appear. This is exciting because:
- the drop-down list is no longer necessary.
- lots more input units (an infinite amount, in fact) can be added without cluttering the interface.
- users will save valuable milliseconds now they don't have to switch between keyboard and mouse to get a result.