Time Card Calculator
Add up clock-in and clock-out times, lunch breaks and overtime — using your state's rules, not just the federal 40-hour default. Free, private, no sign-up.
Your time card
Sep 13 – Sep 19What a 40-hour-only calculator would have told you
$96.00 lessA calculator that only knows the federal 40-hour rule would show $1,104.00 for this period. Under California rules the total is $1,200.00.
How to use this time card calculator
It works as a time card calculator, a timesheet calculator, a time clock calculator and a work hours calculator in one. Four steps:
- Pick your state, your pay period and the day the period starts. The workweek defaults to the same day.
- Enter the clock-in and clock-out time for each day — 9, 900, 9:00, 9am, 5pm and 17:30 all work — and any unpaid break in minutes.
- If your employer rounds punches, choose the rounding rule, then enter your hourly rate.
- Read your regular, overtime and double-time hours and gross pay. Switch between decimal and HH:MM, then print the sheet or download a CSV for payroll.
How to calculate hours on a time card
For each shift, subtract the clock-in time from the clock-out time, then subtract any unpaid break. Add the days together and convert the minutes to decimal hours by dividing by 60.
| Step | Example |
|---|---|
| Clock in → clock out | 8:00am → 5:30pm = 9:30 |
| Minus unpaid lunch | 9:30 − 0:30 = 9:00 |
| In decimal hours | 9.00 |
| Five days like this | 45.00 hours — 5 of them overtime |
Shifts that cross midnight work the same way with 24 hours added to the clock-out time: 10pm to 6am is 8 hours. The calculator does this automatically whenever the clock-out time is earlier than the clock-in time.
Time cards with a lunch break
Enter an unpaid lunch in the Break column in minutes (30) or hours and minutes (0:30). It is subtracted after the punches are rounded, so rounding never eats into the break.
If your time clock records lunch punches, set Breaks to Lunch out & in punches. The time card then has four punches a day — in, lunch out, lunch in, out — and every punch is rounded on its own before the two stretches of work are added together.
Under federal rules, a meal break of 30 minutes or more can be unpaid if you are completely relieved of duty. Short rest breaks of 5 to 20 minutes are work time and must be paid — leave those out of the Break column. Some states also require meal or rest breaks of their own; check your state's page below.
Converting minutes to decimal hours
Payroll runs on decimal hours: 7 hours 45 minutes is 7.75, not 7.45. Divide the minutes by 60.
Converting a whole column? Use the hours to decimal converter.
Overtime on a time card
Federal law pays time and a half after 40 hours in a workweek. A few states go further and count each day on its own:
- Alaska: daily ot after 8 hrs (for some workers)
- California: daily ot after 8 hrs, dt after 12
- Colorado: daily ot after 12 hrs (for some workers)
- Nevada: daily ot after 8 hrs (for some workers)
Select your state at the top of the calculator and these rules are applied for you. If you earned a bonus or worked at two rates, your overtime rate is higher than your hourly rate — the overtime calculator works that out.
Punch rounding and the 7-minute rule
Federal rules let employers round punches to the nearest 5 minutes, tenth of an hour or quarter hour, as long as the rounding averages out over time so you are paid for the time you actually worked. Under the common 7-minute rule, 1 to 7 minutes past the quarter hour round down and 8 to 14 round up.
Choose the rounding rule in the calculator to see what it does to your total — and compare it with exact, unrounded time.
Weekly, biweekly and semi-monthly time cards
Overtime is counted per workweek — a fixed, recurring seven-day period — never averaged across a pay period. A biweekly time card holds two separate workweeks, so 45 hours in the first and 35 in the second means 5 overtime hours, even though the total is 80.
Semi-monthly periods (the 1st–15th and 16th–end of month) rarely line up with workweeks. The calculator splits the period at your workweek start day and flags any workweek that runs past the period, because hours outside the period still count toward that week's 40.
Overtime rules by state
Federal law sets the floor at 40 hours a week. Several states go further — and a handful of cities go further still.
The calculator above covers all 50 states and DC. State guides are added each week as their rules are written up and checked.
Time card calculator: common questions
How do I calculate my hours on a time card?
Subtract the clock-in time from the clock-out time for each shift, then subtract any unpaid break. Convert leftover minutes to a decimal by dividing by 60 and add the days together. For example, 8:00am to 5:30pm with a 30-minute unpaid lunch is 9 hours, or 9.00 in decimal. The calculator above does this for every day at once.
How do I subtract a lunch break from my hours?
Enter the unpaid break in minutes in the Break column, or set Breaks to lunch punches and enter when you clocked out and back in. Either way the break comes off after the punches are rounded. Under federal rules a meal break of 30 minutes or more can be unpaid if you are fully relieved of duty; rest breaks of 5 to 20 minutes are paid.
What is 7 hours and 45 minutes in decimal?
7 hours and 45 minutes is 7.75 hours. Divide the minutes by 60 — 45 ÷ 60 = 0.75 — and add the result to the whole hours. Payroll systems use decimal hours, so 8:15 becomes 8.25 and 6:20 becomes 6.33. Use the Decimal and HH:MM switch above the timesheet, or the hours to decimal converter for a whole column.
Can the calculator handle overnight shifts?
Yes. When the clock-out time is earlier than the clock-in time, the calculator treats the shift as crossing midnight, so 10pm to 6am counts as 8 hours rather than a negative number. The hours are counted on the day the shift started, and any unpaid break is taken off as usual.
Does this time card calculator work for biweekly pay?
Yes. Choose Biweekly or Semi-monthly as the pay period and the calculator splits the period into workweeks before applying overtime. That matters: 45 hours in one week and 35 in the next is 5 overtime hours, not zero, because federal law never averages hours across two workweeks.
Is my time card data saved or shared?
Your entries stay in your own browser. The calculator runs entirely on this page, and what you type is saved only in your browser's local storage so it is still there when you come back. Nothing is sent to HoursCheck. Use Clear to wipe the sheet, or Download CSV to keep a copy.
What is the difference between a time card and a timesheet?
A time card, or timecard, records the actual punches: when you clocked in, left for lunch and clocked out. A timesheet totals those punches into hours for the pay period. This page does both — enter punches like a time card calculator and read the totals like a timesheet calculator, then export them for payroll.
More time card calculators
The same calculator, set up for your pay schedule or your time clock.
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