A calculator & unit & currency converter with a super clean interface, standalone calculator, customizable color, and over 500 units in 29 categories (161 currencies). Display only the units and categories you want and put them in any order. This version is ad-supported. Fast, Easy To Use: Pick a category, pick a unit, and then enter an amount. All other units are instantly converted to your selected unit as you enter amount. Features: • Full screen calculator with memory functions quickly accessible from bottom toolbar • Customizable color • Customizable units (display only the units & categories you want in whatever order you want) • In-line calculations while converting (fractions, decimals, add, subtract, multiply, divide). • Convert multiple units / currencies at once • Both unit names and symbols shown. • Results with up to 12 significant digits. • Automatic formatting of decimal and thousands separators according to your Region. • Automatic formatting of extremely large or small numbers with scientific E notation. Options: - Font Size - Sound - Color Theme - Minimum Decimal Digits (0-12) - Maximum Decimal Digits (0-12) - Show Thousands Separators - E Notation (Off, Auto, Scientific, Engineering) - Equals Repeat - Replace ÷ Button With / - Replace E Button With Hidden, EE, 00, 000 - Show Memory Buttons - Memory Store (Result, Last Input Number) - Currency Updates - Symbol First - In-Line Definitions - UK Spelling 501 Units In 29 Categories: • Acceleration • Angle • Area • Blood Cholesterol • Blood Glucose • Capacitance • Currency • Data • Density • Dynamic Viscosity • Electric Charge • Electric Current • Electric Potential • Electrical Conductance • Electrical Resistance • Energy • Force • Frequency • Fuel Economy • Length • Mass • Numeral Systems • Power • Pressure • Speed • Temperature • Time • Torque • Volume • Weight (Mass) URL Scheme: converterprofree://