Everyday Calculation

Free calculators and unit converters for general and everyday use.

Calculators » Date & Time » Time card calculator

Timesheet Calculator

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can calculate total hours worked on a project from a timesheet or time card record. This is especially useful for figuring out the billable hours of your work assignment.

Enter time as hh:mm e.g., 03:30 AM

12-hour 24-hour

Start Time End Time

Result window

To add hour and minutes to a given time, use clock time calculator.

Time-sheet calculation

To calculate hours worked, enter the start and the end time of each entry in the timesheet calculator; To add more records, use the "Add Row" button.

Step I. First we calculate time duration of all tasks in minutes. See the formula section on time difference calculator for details.

Step II. Next, we add up all the minutes from Step I and divide the total by 60 to find the hours worked. To find the time spent in hours and minutes, we use whole number division. Dividing the total minutes by 60, the quotient will yield the hours and the remainder will give the leftover minutes.

© everydaycalculation.com