Convert Units Now is a mobile unit conversion app that allows converting units between 1500+ units in 20+ categories. You can easily convert length units, mass units, power units, area units, universal currency and shoe sizes, volume units, pressure units, heat (temperature) unit measurements, time units, angle units, illuminance and luminance units, and computer (data) units, electric current units, energy units, frequency units, speed units, acceleration units, electric capacitance units, force units, cooking (kitchen) units
and density units.
Make sure to download this "must have" unit converter application for your iPhone!