Time Card Calculator
Calculate total work hours, overtime, and gross pay from clock-in and clock-out times.
This free online time card calculator provides instant results with no signup required. All calculations run directly in your browser — your data is never sent to a server. Enter your values below and see results update in real time as you type. Perfect for everyday calculations, homework, or professional use.
Range: 0 – 168
Sum of all hours worked in the pay period.
Range: 0 – 80
Hours before overtime kicks in (40 in the US).
Range: 1 – 500
Range: 1 – 3
1.5 = time and a half; 2.0 = double time.
Results
Regular Hours
40 hrs
Overtime Hours
5 hrs
Regular Pay
$1,000.00
Overtime Pay
$187.50
Gross Pay
$1,187.50
How to Use This Calculator
Enter your input values
Fill in all required input fields for the Time Card Calculator. Most fields include unit selectors so you can work in your preferred unit system — metric or imperial, whichever matches your problem.
Review your inputs
Double-check that all values are correct and that you have selected the right units for each field. Incorrect units are the most common source of calculation errors and can produce results that are off by factors of 2, 10, or more.
Read the results
The Time Card Calculator instantly computes the output and displays results with units clearly labeled. All calculations happen in your browser — no loading time and no data sent to a server.
Explore parameter sensitivity
Try adjusting individual input values to see how the output changes. This is a quick and effective way to develop intuition about how different parameters influence the result and to identify which inputs have the largest effect.
When to Use This Calculator
- •Use the Time Card Calculator when you need accurate results quickly without the risk of manual computation errors or unit conversion mistakes.
- •Use it to verify calculations made by hand or in spreadsheets — an independent check can catch errors before they lead to costly decisions.
- •Use it to explore how changing input parameters affects the output — a quick way to develop intuition and identify the most influential variables.
- •Use it when collaborating with others to ensure everyone is working from the same numbers and applying the same assumptions.
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About Time Card Calculator
The Time Card Calculator computes your regular hours, overtime hours, and gross pay for a work period. In the United States, the Fair Labor Standards Act (FLSA) requires that non-exempt employees receive overtime pay at 1.5 times their regular rate for hours exceeding 40 per week. Some states and industries have different thresholds or require daily overtime for shifts exceeding 8 hours. This calculator takes your total hours worked, overtime threshold, hourly rate, and overtime multiplier to produce a complete pay breakdown. It is an essential tool for hourly employees verifying their paychecks, managers reviewing timesheets, and freelancers tracking billable hours.
The Math Behind It
Formula Reference
Time Card Pay
Gross = (Regular Hrs x Rate) + (OT Hrs x Rate x Multiplier)
Variables: Regular Hrs = min(worked, threshold); OT Hrs = max(0, worked - threshold)
Worked Examples
Example 1: 45-hour week at $25/hour
An employee works 45 hours in a week at $25/hr with 1.5x overtime after 40 hours.
Gross pay for the week is $1,187.50.
Common Mistakes & Tips
- !Not rounding time entries consistently; use quarter-hour increments for consistency.
- !Forgetting to deduct unpaid lunch breaks from total hours.
- !Using gross pay for budgeting instead of net pay; taxes reduce take-home by 20-35%.
Related Concepts
Used in These Calculators
Calculators that build on or apply the concepts from this page:
Frequently Asked Questions
Am I entitled to overtime pay?
In the US, most hourly employees are entitled to 1.5x pay after 40 hours/week. Salaried employees above the FLSA salary threshold ($35,568/year as of 2024) who meet certain duties tests may be exempt.
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