Time Calculator

Get professional results every time with this handy and easy-to-use tool for projects involving time measurements! Work in and convert between time units (Years, Days, Months, Hours, Minutes, and Seconds). Use it at home, in your office or on the run for on-the-spot time calculations.


With the calculator you can:

•Add, subtract, multiply and divide and take percents of time units. For example 5hr + 30min = 5.5hr or 25hr x 5% = 1hr 15min.

•Enter compound units, for example (1hr 2min) x 2 + (4hr 2min 5 sec) – 1sec = 6hr 6min 4sec.

•Convert a result to multiple units, for example 1 hr = 60min, 3600sec, 0.04167day, and 0.000142yr.

• Display a history of your work.

• Work with decimals, 7.5hr + 6.3hr = 13hr 48min

•Perform percentage calculations, for example 20min x 50% = 10min.

•Even use it as a basic calculator, for example 12 x 12 = 144 or 5 x 5 x 4 x 6 + 11.23 = 611.23

It's incredibly easy to use; the display is easy to read and there's nothing like this time calculator - A great addition to the toolbox of home owners, time keepers, accountants, lawyers, directors, TV producers, engineers, payroll personnel or employees that need to complete timecards (time cards) or easily convert, mix or manipulate time measurements.

Recent changes:
History is now easy to read, with dark text on a white background.
A new Menu button opens History, Help and About.