A free app for Android, by SOFTDX.

The Time Calculator app provides a practical general calculator as well as a time calculator that performs all of the fundamental calculations using time units. Those who work in occupations that require measuring time, like business owners or scientists, would love this! When you need to perform a calculation, you won’t need to stumble about looking for another ordinary calculator because the Time Calculator app has them all covered! With its many functions, this tool is a great option for conversion. Any combination of time units, including years, days, hours, minutes, and seconds, can be calculated with our calculator. Also, it translates between various units, making it simple for you to keep track of your calculations.