Work Hours Calculator (2024)

Calculator Use

Use this calculator to add up your work week time sheet and calculate work hours for payroll. This online time clock uses a standard 12-hour work clock with am and pm or a 24-hour clock for military time.

Calculate total work hours with lunch and breaks. See total work hours in hours and minutes hh:mm format as well as decimal hours.

How to Calculate Work Hours

  • Enter numbers such as 1215 for 12:15 or 137 for 1:37. Using a colon is optional.
  • On a 12 hour clock you can enter a single number from 1 through 12 to indicate 1:00 through 12:00 on the hour.
  • Use the Tab key to move through the input boxes or just click on each box.
  • On a 12 hour clock use 12:00 pm for noon and 12:00 am for midnight.
  • Adjust Settings to customize your time sheet.

If you need other time card work hours options we offer a free, full-featured payroll hours calculator on our partner website Time Card Calculator .net.

About Time Card Settings

Week Begins on
Choose the day of the week your weekly pay period starts
Clock Format
Choose whether you are entering standard 12-hour work time with am and pm or 24-hour military time
Deduct Breaks
Use this function to deduct total lunch or break time each day. Enter break times in total number of minutes.
OT Overtime
The Time Card summary shows regular work hours and overtime hours. Default overtime occurs after 40 hours per week. Change 40 to another value as necessary.

Overtime is calculated here according to FLSA overtime rules in the United States and Hours of Work as part of the Canada Labour Code. Other countries and certain industries pay overtime at thresholds greater than or less than 40 hours per week.

For additional overtime rules including per day options visit our partner time card calculator at Time Card Calculator .net

Round Inputs to Nearest
Some employers round clock time as allowed by U.S. Federal Regulations. We offer 3 ways to round Start Times and End Times each day:

Round to the Nearest
• 15 minutes, also known as the 7 minute rule. Decimal hours are rounded to the nearest quarter hour with two decimal places (.00, .25, .50, .75).
• 5 minutes
• 6 minutes, also referred to as 1/10 or one-tenth of an hour. Decimal hours are rounded to the nearest tenth of an hour with two decimal places (.00, .10, .20, .30, .40, etc.)

Enter = Tab
For desktop users with a keybord, use the Tab key to advance through input fields.
By setting Enter = Tab you can advance to the next input field using the Enter key. This is convenient for users entering numbers with a keyboard keypad using one hand.
Tab or Enter through all input boxes to reach the Calculate button, or you can use a trackpad or mouse to click the Calculate button.
Save Last Inputs
Check Yes if you want the browser to remember your latest time card work hours entries. If you close your browser and do not delete cookies, your last inputs will be here when you return.
Check No to clear your time card inputs when you leave this calculator.

How to Convert hh:mm Digital Time to Decimal Hours

Employers typically use decimal hours to calculate work week pay. They take the number of hours worked in a week in decimal form, and multiply that by the rate of pay. If you worked 41:15, 41 hours and 15 minutes, how would you calculate your total pay?

You need to convert the hh:mm time of 41:15 to decimal hours.

Converting from Minutes to Decimal Hours

You worked 41 whole hours, so that will be the same in decimal hours. You only need to convert 15 minutes into decimal hours.

  1. Take your number of minutes and divide by 60. In this example your partial hour is 15 minutes:
    15/60 = 0.25
  2. Add your whole hours back in to get 41.25 hours. So 41 hours, 15 minutes equals 41.25 hours.
  3. Multiply your rate of pay by decimal hours to get your total pay before taxes.

In Reverse, Converting from Decimal Hours to Minutes

  1. Take your number of minutes and multiply by 60
  2. Say you had a decimal of 0.75 hours. Multiply:
    0.75 × 60 = 45 minutes
Work Hours Calculator (2024)
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