The #1 Unit Conversion App. the most perfect, the most number of units.Look at other peoples how to say:"The best conversion app I've seen""Best looking converter. Good Ui. Currency is a plus""This app is small, but it very best and simply to use. Thanks for your awesome app.""Simple to use and customizable. What more can you want. :)""Great program that once mastered is pretty straightforward" 63 Categories, 1522 Units Customize need to show the categories and contain units, and display order Support 158 country's currency Currency conversion rates updated in real time Extremely Easy-to-Use Backspace key The simplest way to create and use favorite lists63 Categories, 1522 Units:Acceleration, Acceleration Linear, Angle, Area, Calorific, Capacitance, Centistoke, Charge, Circumference, Concentration Molar, Conductance, Cubic Attometer, Cubic Decimeter, Currency, Data Storage,Date, Decigram, Dekagram, Density, Digital Image, Electric Current, Electric Conductance, Electric Field, Electric Potential, Energy, Entropy, Flow, Flow Mass, Flow Molar, Force, Frequency, Fuel Consumption, Heat Capacity, Heat Transfer, Illumination, Inductance, Inertia, Length, Light, Luminance, Magnetic Flux, Magnetomotive Force, Moment of Force, Moment of Inertia, Power, Pressure, Radiation, Radiation Absorbed, Radiation Exposure, Radioactivity, Resistivity, Sound, Specific Heat, Specific Volumn, Speed, Surface Tension, Temperature, Time, Torque, Viscosity(Oil & Water), Volume, Weight, Weight Mass Save Your Time. Quickly & Easily!