Timesheet Calculator

Use this timesheet calculator to total daily work hours into weekly or monthly payroll-ready decimal hours. Enter each day's start time, end time, and unpaid break, then review total hours, overtime, and estimated pay in one place.

This tool is useful for employees checking a weekly timecard before submission, freelancers preparing invoices, and payroll teams reviewing hours before a pay period closes. It supports weekly and full-month views, break deduction, decimal-hour totals, overtime estimates, and quick print or email actions.

If you need a simple day-by-day estimate first, start with the work hours entered below, then compare the totals with your employer's timesheet, rounding rules, and overtime policy before treating the result as final.

Weekly Timesheet

DayStartEndBreak
$0.00

Weekly Summary

40.00 hrs
Total Weekly Hours

How to Calculate Work Hours

To calculate work hours, enter your start time and end time for each day, then subtract any unpaid break time in minutes.

  • Enter numbers such as 1215 for 12:15 or 137 for 1:37 — using a colon is optional.
  • On a 12-hour clock, 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 click on each box directly.
  • On a 12-hour clock, use 12:00 pm for noon and 12:00 am for midnight.
  • Adjust Settings to customize your time sheet for rounding, break format, and overtime rules.
  • Press the Enter key to run the calculation, or click the Calculate button.

The calculator subtracts break minutes from each day's gross hours and sums all daily net hours into a weekly or monthly total. The result appears in both hh:mm format and decimal hours. Multiply decimal hours by your hourly rate to get gross pay.

For a full-featured payroll hours calculator with per-day overtime options, shift-swap hour tracking, and multi-employer hour consolidation, visit the partner website Time Card Calculator .net.

Converting Between Clock Time and Decimal Hours

Clock time uses hours and minutes (7:15), while decimal hours express that same duration as a single number (7.25). Payroll systems need decimal hours because multiplication with an hourly rate produces gross pay directly. A work hours calculator that outputs only hh:mm format requires an extra conversion step before payroll processing.

The conversion works because 1 hour contains 60 minutes. Dividing any number of minutes by 60 returns the decimal fraction of an hour. Adding that fraction to the whole hours gives the full decimal value. Going in reverse, multiplying a decimal fraction by 60 returns the minutes.

There are 24 hours in a day, 168 hours in a week, 730.5 hours in a month on average, 8,766 hours in a year on average, 87,660 hours in a decade on average, and 876,600 hours in a century. These reference values are useful when converting between pay periods or auditing overtime discrepancies across longer time ranges.

Converting from Minutes to Decimal Hours

Divide the minutes by 60 to get decimal hours.

3 steps convert any hh:mm time into decimal hours:

  1. Separate the whole hours from the minutes. For 41:15 (41 hours, 15 minutes), the whole hours are 41 and the minutes are 15.
  2. Divide the minutes by 60. 15 ÷ 60 = 0.25 decimal hours.
  3. Add the decimal fraction to the whole hours. 41 + 0.25 = 41.25 decimal hours.

Multiply 41.25 by your hourly rate to get total pay before taxes.

In reverse — converting from decimal hours to minutes:

  1. Multiply the decimal fraction by 60. 0.75 × 60 = 45 minutes.
  2. Append the minutes to the whole hours. 41.75 decimal hours = 41 hours and 45 minutes (41:45).

This conversion is the basis for every payroll hours calculator, weekly timesheet calculator, and biweekly timesheet calculator. Project time tracking tools like TSheets, Clockify, Hubstaff, Time Doctor, and Harvest perform this conversion automatically on each time entry row.

About Time Card Settings

Time card settings control how the calculator reads, rounds, and summarizes your entries.

Week Begins On — Choose the day of the week your weekly pay period starts. This affects the weekly rollover calculation for overtime.

Clock Format — Choose between a standard 12-hour work clock with am and pm or a 24-hour clock for military time. The 12-hour clock displays ante meridiem (am) for hours before noon and post meridiem (pm) for hours after noon. Use 12:00 pm for noon and 12:00 am for midnight.

Deduct Breaks — Enter break times in total number of minutes for each day. This function handles lunch break deduction rules and unpaid leave hour adjustment. A 30-minute lunch means 8 gross hours becomes 7.5 net hours. Automated break violation flags alert you when break entries exceed maximum thresholds.

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 based on your overtime threshold exemption. Overtime is calculated 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 compliance with FLSA rules and additional per-day overtime options, use the Time Card Calculator at Time Card Calculator .net.

Round Inputs to Nearest — Some employers round clock time as allowed by U.S. Federal Regulations. There are 3 rounding options for task-level time rounding:

  • 15 minutes — the 7 minute rule. Clock times are rounded to the nearest quarter hour. Decimal hours display as .00, .25, .50, or .75. A clock time of 9:07 or less rounds down to 9:00, and 9:08 or more rounds up to 9:15.
  • 5 minutes — Clock times round to the nearest 5-minute mark. 9:01 and 9:02 round down to 9:00, while 9:03 and 9:04 round up to 9:05.
  • 6 minutes — also called 1/10 or one-tenth of an hour. Decimal hours display as .00, .10, .20, .30, .40, and so on. 9:01 and 9:02 round down to 9:00, while 9:03, 9:04, and 9:05 round up to 9:06. Over time, this method averages out fairly for both the employer and employee.

Enter = Tab — For desktop users, the Tab key advances through input fields by default. Setting Enter = Tab lets you advance to the next input field using the Enter key — convenient for one-handed entry on a keyboard keypad.

Save Last Inputs — Check Yes to have the browser remember your latest time card work hours entries. Return to the calculator and your last inputs will be restored. Check No to clear your time card inputs when you leave.

How to Convert hh:mm Digital Time to Decimal Hours

Employers use decimal hours to calculate work week pay by multiplying total hours by the rate of pay. Converting hh:mm digital time to decimal hours takes 2 steps.

Example: You worked 41:15 (41 hours and 15 minutes) during a pay period.

  1. Divide the minutes portion by 60. 15 ÷ 60 = 0.25 hours.
  2. Add the result to the whole hours. 41 + 0.25 = 41.25 decimal hours.

Multiply 41.25 by your hourly rate to calculate gross pay. At $20.00/hour: 41.25 × $20.00 = $825.00 before taxes.

Converting from decimal hours back to hh:mm:

  1. Multiply the decimal portion by 60. 0.25 × 60 = 15 minutes.
  2. Combine with whole hours. 41.25 decimal hours = 41:15 (41 hours, 15 minutes).

Second example: 0.75 decimal hours × 60 = 45 minutes. So 8.75 decimal hours = 8 hours 45 minutes (8:45).

This conversion applies to every employee timesheet, whether processed through a free timesheet app, an online time clock, or a full payroll software suite. The partial day proration logic follows the same formula — divide minutes by 60 — regardless of whether you track time with a time tracker, work log, or attendance system.

Timecard Calculator

A timecard calculator is a time tracking tool that records daily clock in and clock out times, subtracts break time, and outputs total hours in decimal format for payroll processing. This calculator handles weekly timesheet totals, biweekly pay cycles, split shift pay computation, and cross-timezone timesheet sync for remote teams.

The calculator supports non-billable hour segregation by letting you mark individual days as worked or off. Project hours and billable hours stay separate from time off, sick leave, and vacation days. Holiday pay entries follow the same clock format — enter start and end times, and the calculator returns net pay hours after lunch break deductions.

For daily summary and labor cost estimates, enter your hourly rate and the calculator multiplies decimal hours by the rate to produce total pay. Manual entry works for any work schedule calculator scenario, and automatic calculation updates totals as you type.

Timecard data stored in this calculator stays in your browser. Clearing browser data removes saved entries. For permanent records, real-time accrual alerts, historical rate retroactive fixes, and mileage-integrated hour logs, a dedicated time management software solution handles long-term storage and reporting.

How to Use

Follow these simple steps

1

Enter Daily Times

Fill in your start time and end time for each day you worked.

2

Add Break Duration

Enter break time in minutes for each day.

3

Choose Week or Full Month

Use weekly rows for one pay period, or pick a month to load every calendar date.

4

View Total Hours

The calculator automatically sums all worked days for the selected week or month.

Frequently Asked Questions

Quick answers to common questions

How do I calculate decimal hours for my timecard?
Divide the number of minutes by 60 to get decimal hours. 15 minutes ÷ 60 = 0.25 hours, 30 minutes ÷ 60 = 0.50 hours, 45 minutes ÷ 60 = 0.75 hours. This timesheet calculator performs that conversion automatically for every time entry.
What is the 7 minute rule for timecards?
The 7 minute rule rounds clock times to the nearest 15 minutes (quarter hour). Clock-in times of 9:07 or earlier round down to 9:00, and 9:08 or later round up to 9:15. U.S. Federal Regulations allow this rounding method for employers in the United States.
How do I track employee breaks for payroll?
Enter daily break time in minutes for each row. The calculator subtracts break minutes from gross hours to produce net paid hours. Common lunch break deduction rules require 30-minute (0.50 hr) or 60-minute (1.00 hr) unpaid breaks per shift.
Does this calculator track overtime?
Yes. The calculator separates regular hours from overtime hours when total weekly hours exceed the overtime threshold — 40 hours by default under FLSA rules. Change the threshold to match your pay period, industry, or contract. Overtime rules vary between the United States, Canada, and other countries.
Can I use this calculator for a full month?
Yes. Switch from Week to Full Month mode, select the month, and the calculator loads every calendar date. Weekdays default to worked, weekends default to off. Edit any day before calculating the monthly total.
How do I convert timesheet hours to payroll format?
The calculator outputs decimal hours (e.g., 37.50 hrs), which is the format payroll systems require. Multiply decimal hours by the hourly rate — 37.50 × $25.00 = $937.50 gross pay. Use a payroll calculator for tax withholding and net pay estimates.
What clock format should I use?
Use the 12-hour clock with am and pm for standard work schedules. Use the 24-hour clock (military time) when your employer or industry requires unambiguous time recording — 13:00 is always 1:00 pm, and 00:00 is always midnight.
Can I save my timecard entries?
Yes. Enable Save Last Inputs in settings and the browser stores your latest entries in cookies. Return to the calculator and your last time card work hours entries load automatically. Clearing browser cookies removes saved data.