Free time card calculator. Calculate total hours worked and pay from clock-in and clock-out times, with unpaid breaks and overtime included.
A time card calculator adds up hours worked across multiple shifts from your clock-in and clock-out times, subtracts unpaid breaks, then multiplies by your hourly rate to find your pay ā applying a higher rate to any hours worked past your weekly overtime threshold.
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Time Card Calculator
A paper or digital time card records when you started and finished each shift, but it doesn't do the math for you. This calculator takes those clock-in and clock-out times across a week, subtracts any unpaid breaks, and converts the result into total hours and total pay ā including overtime for hours beyond your weekly threshold.
The core calculation for a single shift is straightforward: clock-out minus clock-in, minus unpaid break time, equals hours worked. Summing that across every shift in the week gives your total hours, which then determines how much of your pay is at your regular rate versus the overtime rate.
Overtime Basics
In the US, the federal standard under the Fair Labor Standards Act (FLSA) requires most hourly employees to be paid at least 1.5 times their regular rate for hours worked beyond 40 in a single workweek ā this is why 40 hours and a 1.5x multiplier are the defaults in this calculator. Every hour up to the threshold is paid at your regular hourly rate; only the hours beyond it get the higher overtime rate.
Some states add their own rules on top of the federal standard, such as daily overtime after 8 hours in a single day, or double-time rules for very long shifts. This calculator uses a single weekly threshold and multiplier as a general-purpose model ā check your specific state's labor department if daily overtime rules apply to you.
Overnight and Split Shifts
Night shift workers often clock in before midnight and clock out after ā for example, 22:00 to 06:00. Simply subtracting the clock-in time from the clock-out time would give a negative number, so this calculator detects when the clock-out time is earlier than the clock-in time and automatically treats the shift as crossing into the next day, correctly counting it as 8 hours.
For split shifts (working two separate blocks in the same day, like a morning shift and an evening shift), enter each block as its own row using the "Add day" button, giving each block its own label, clock-in/out times, and break.
Limitations
This calculator applies a single overtime threshold and multiplier per week ā it doesn't model daily overtime rules, double-time thresholds, shift differentials (extra pay for night or weekend shifts), or state-specific labor law variations, all of which exist in some jurisdictions. It also doesn't account for taxes or deductions; the pay figures shown are gross pay before any withholding.
For a full picture of take-home pay after tax, see our paycheck calculator once you know your gross hourly earnings from this tool.
Practical Use Cases
Verifying a paycheck
Cross-checking that your employer's payroll calculation matches your own hours and overtime.
Freelance or contract hourly billing
Totaling billable hours across a project and converting them into an invoice amount.
Small business payroll estimates
Quickly estimating weekly labor costs for hourly staff before running formal payroll.
Planning for overtime
Seeing how close you are to the overtime threshold before picking up an extra shift.
Comparing shift schedules
Testing how different clock-in/out times and break lengths change total weekly pay.
Hours worked beyond your set threshold (40 hours per week is the standard US federal rule) are paid at your regular rate multiplied by your overtime multiplier, commonly 1.5Ć ("time and a half"). All hours up to the threshold are paid at your regular rate.
Only if it's unpaid. Enter the unpaid break minutes for each day and this calculator subtracts them from your clock-in to clock-out span automatically ā paid breaks shouldn't be entered here since they're already part of your worked time.
Enter your clock-in and clock-out times normally ā if your clock-out time is earlier than your clock-in time (for example, 22:00 to 06:00), this calculator automatically treats it as an overnight shift crossing midnight and calculates the hours correctly.
Under the federal Fair Labor Standards Act, most hourly employees must be paid 1.5Ć their regular rate for hours worked beyond 40 in a single workweek. Some states have additional daily overtime rules (for example, over 8 hours in a single day) ā check your state's specific labor laws if applicable.
This calculator totals hours and overtime on a single weekly basis, matching the standard US overtime rule which resets each workweek. For a bi-weekly paycheck, calculate each of the two weeks separately (some employers do allow overtime averaging across a pay period, but the federal standard is per-workweek).