Time Card Calculator
Enter your daily clock-in and clock-out times to compute total weekly hours, regular and overtime pay, and verify your timesheet accuracy. Includes rounding rules and FLSA reference.
Day
Clock In
Clock Out
Break (min)
$
hrs
Enter your values above to see the results.
Tips & Notes
- ✓Keep a personal record of your daily clock-in and clock-out times even when your employer uses an electronic system. Payroll errors happen, and your own records are evidence in any dispute.
- ✓When reviewing your timecard, verify that each day total is correct before signing — check especially that break times are deducted correctly and that any late clock-ins or early clock-outs are accurate.
- ✓If your employer rounds to the nearest quarter-hour, learn the rounding threshold. Common rule: minutes 1–7 round down, minutes 8–14 round up. Know whether 8:07 becomes 8:00 or 8:15 at your company.
- ✓For pay period totals, convert your total hours to decimal before multiplying by hourly rate. 41h 45m = 41.75 hours. 41.75 × $20 = $835 base, before overtime premium.
- ✓Request a copy of your time records if you dispute a paycheck. Under the FLSA, employers must maintain accurate time records for at least 2 years, and employees have the right to review them.
Common Mistakes
- ✗Calculating daily hours without subtracting unpaid break time — a 9-hour clock-in to clock-out with a 30-minute unpaid lunch is 8.5 payable hours, not 9.
- ✗Not converting total minutes to hours before multiplying by hourly rate — 41 hours 45 minutes is 41.75 hours, not 41.45 hours. Using 41.45 underestimates pay by 0.30 hours per week.
- ✗Treating rounding as always favorable when it is supposed to be neutral — employees should track whether rounding consistently adds or removes time. Systematic removal is an FLSA violation.
- ✗Missing overtime because daily hours looked acceptable — FLSA overtime triggers at 40 total hours in the workweek, not at 8 hours in any single day (outside California and a few other states).
- ✗Entering PM times in AM format for overnight workers — a 10:30 PM clock-in entered as 10:30 instead of 22:30 produces a 12-hour error in duration calculations.
Time Card Calculator Overview
A time card calculator totals the hours worked across an entire pay period from daily clock-in and clock-out entries, automatically handles unpaid break deductions, and computes regular and overtime pay. It is the digital replacement for the paper time card — producing an accurate weekly or biweekly pay total that accounts for every minute worked without the manual errors that plague handwritten timesheets.
Daily hours calculation:
Daily Hours = (Clock-Out − Clock-In) − Unpaid Break Time
EX: Clock-in 8:45 AM, clock-out 5:30 PM, 30 min lunch → 5:30 PM − 8:45 AM = 8h 45m − 0h 30m = 8h 15m payableWeekly timecard — worked example:
| Day | Clock In | Clock Out | Break | Hours Worked |
|---|---|---|---|---|
| Monday | 8:30 AM | 5:00 PM | 30 min | 8h 00m |
| Tuesday | 8:45 AM | 5:30 PM | 30 min | 8h 15m |
| Wednesday | 9:00 AM | 6:15 PM | 45 min | 8h 30m |
| Thursday | 8:30 AM | 5:00 PM | 30 min | 8h 00m |
| Friday | 8:30 AM | 6:00 PM | 30 min | 9h 00m |
| Weekly Total | — | — | — | 41h 45m |
| Rounding Rule | How It Works | Example | Legal Status |
|---|---|---|---|
| Nearest quarter-hour | Round to 0, 15, 30, 45 min | 8:07 rounds to 8:00; 8:08 rounds to 8:15 | FLSA permitted if neutral |
| Nearest 5 minutes | Round at 2.5-min midpoint | 8:12 rounds to 8:10; 8:13 rounds to 8:15 | FLSA permitted if neutral |
| Nearest 1/10 hour | Round at 3-min midpoint | 8:03 rounds to 8:00; 8:04 rounds to 8:06 | FLSA permitted if neutral |
| Always round down | Truncate to increment | 8:14 always becomes 8:00 | FLSA violation if systematic |
Frequently Asked Questions
Subtract clock-in from clock-out in 24-hour format, then subtract any unpaid breaks. Convert to 24-hour format first to avoid AM/PM errors. Example: In 8:45 AM (8:45), Out 5:30 PM (17:30). 17:30 − 8:45 = 8h 45m. Subtract 30-min lunch = 8h 15m payable. Multiply by hourly rate after converting to decimal: 8.25 hours × $20/hr = $165.
Most payroll systems and employment agreements specify the procedure for missed punches: typically the employee or supervisor submits a manual correction with the actual clock-out time signed by both parties. Under the FLSA, employers must compensate for all time actually worked — they cannot pay only the recorded time if they know the actual hours were longer. Habitual missed punches are a disciplinary matter but do not reduce the employer obligation to pay for actual hours.
Yes, under federal FLSA regulations, rounding to the nearest 5 minutes, 1/10 hour (6 minutes), or 1/4 hour (15 minutes) is permitted if the rounding is neutral — it must result in proper compensation over time, neither systematically favoring the employer nor the employee. The policy must be consistent and applied uniformly. An employer that always rounds against employees (always rounding clock-in forward and clock-out backward) violates FLSA regardless of rounding increment size.
Sum all hours worked in the 7-day workweek. Hours up to 40 are paid at the regular rate. Hours beyond 40 are paid at 1.5× the regular rate (federal FLSA minimum). Example: 41h 45m total = 40h regular + 1h 45m overtime = 1.75 OT hours. Pay: (40 × rate) + (1.75 × rate × 1.5). California also requires overtime for hours over 8 in a single day — check state law if working in California, Alaska, or Nevada.
Yes — automatic meal period deductions are legal when the employee is completely relieved of duties for the break duration (typically 30 minutes). If an employee works through lunch regularly, the auto-deduction produces an underpayment, which is an FLSA violation. Employees who frequently work through automatically-deducted breaks should report this to their supervisor or HR. If the employer is aware that employees work through breaks and still auto-deducts, the employer owes back pay.
Keep a personal log of your daily clock-in and clock-out times, any breaks taken, and the total hours for each day. Compare your personal records to your pay stub each pay period. For hourly and non-exempt employees, records showing systematic discrepancies between actual hours worked and hours paid can support an FLSA wage claim for up to 2 years (3 years for willful violations). Digital notes with timestamps, texts to yourself, or a simple spreadsheet all serve as personal records.