Add Or Subtract Weeks, Days, Hours, Minutes, Seconds
60 seconds equal 1 minute;
The decimal measuring system uses 100 to advance from centimeters to Meters and 1,000 to advance to Kilometers.
The process of adding and subtracting time uses a multi-base system of 60, 60, 24 and 7 to move from seconds through weeks.
To do a calculation follow the following steps :-
See also >> Multiply/Divide Lengths
If you want to use this Add/Subtract Time calculator on your web site, click HERE to get the code. Please don't forget to link back to us.