TheTimeCalculator.org - The time calculator helps you either add/subtract times in hours, minutes, and seconds to a given date.
ConvertAll - A comprehensive unit conversion program.
Calculator-online.net - The 100% free and reliable online calculators that help you to solve any calculation-related problems and provides you with the precise measurements.
Converter NOW - A simple, immediate and fast unit converter!
SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .
Convert for Windows - Convert is a free and easy to use unit conversion program that will convert the most popular units...