esbunitconv pro is unit conversion software for windows to easily convert between 641 units in 29 different measurement categories. includes units for temperature, distance, mass, area, volume, pressure, velocity, acceleration, force, energy, power, fuel consumption, flow, torque, angles, time, illumination, luminous intensity, luminance, luminous flux, density, angular velocity, angular accelertation, computer storage, data rates, dynamic viscosity, kinematic viscosity and radioactivity. includes log of conversions, scaling, value swapping, clipboard support, integrated help, printing, full customization and much more. the primary si unit in each measurement category is displayed bold, and buttons are supplied to quickly select it. tools include american wire gauge (awg) table, circle calculator and sphere calculator users can also choose between english international (default) and english (us). optimized for windows xp/vista in 800x600 (or better) and 32-bit colour. works well with windows vista registered version also includes electronic documentation and pdf designed to produce printed documentation. register only once for the life of the product. also available as part of the esbcalc pro suite