Easily add and subtract a list of times with Time Sums' easy to use time calculator. Ideal for quickly adding up total times to fill in timesheets and log books.


  • Add or subtract an unlimited number of days, hours, minutes and seconds
  • Total automatically calculated as you type
  • Easy change previously entered times or delete an entire row
  • Simply tap the plus to change between addition and subtraction
  • Copy or export your result to other apps
Time Sums: Time Calculator Screenshot