Online Calculators since 2009
This calculator has four sections for each of the operands, Addition(+), Subtraction(-), Multiplication(x) and Division(/)
The inputs can be time, days, hours, minutes and seconds.
The time format used is dd:hh:mm:ss, where dd=days, hh=hours, mm=minutes and ss=seconds
Addition, subtraction and division can be two time formats,
In Multiplication the time can only be multipied by a number
In Division the answer will always be a number
Calculations can be saved to a table by clicking the "Add to table" button
(The table appears the first time the button is clicked)
You may also find the following Math calculators useful.