Time Card Calculator 2026

How to Calculate Time Card Hours Manually

Knowing how to calculate time cards by hand is an essential skill for verifying your paycheck. Follow these steps:

Step 1 — Convert Clock Times to Minutes

Multiply the hour by 60 and add the minutes. For example, 8:45 AM = (8 × 60) + 45 = 525 minutes from midnight.

Step 2 — Subtract Start From End

Clock out at 5:30 PM = 1,050 minutes. Clock in at 8:00 AM = 480 minutes. Total = 1,050 − 480 = 570 minutes.

Step 3 — Deduct Unpaid Breaks

Subtract any unpaid lunch or break time. A 30-minute unpaid lunch: 570 − 30 = 540 minutes = 9.0 paid hours.

Step 4 — Convert to Decimal Hours (Optional)

Divide total minutes by 60. 540 ÷ 60 = 9.0 decimal hours. This decimal format is required by most payroll software.

Step 5 — Calculate Gross Pay

Multiply hours by your hourly rate. At $18/hour: 9.0 × $18 = $162 gross pay for that day. Repeat for each day and sum the week.

How to Convert Time Card Minutes to Decimals

Payroll software and most employers require hours in decimal format. Converting is simple: divide minutes by 60. Here is a quick reference chart:

You can also use our hourly to salary calculator to convert decimal hours into an equivalent annual salary.

Overtime Rules Every Hourly Worker Should Know

The Fair Labor Standards Act (FLSA) is the federal law governing overtime for most U.S. workers. Here is what it requires:

• Non-exempt employees must receive 1.5× their regular rate for all hours worked over 40 in a single workweek.
• A "workweek" is any fixed, regularly recurring period of 168 hours — seven consecutive 24-hour periods. It does not have to be a Monday–Sunday week.
• Overtime is calculated on a per-workweek basis, not per pay period. A biweekly paycheck covers two separate workweeks for overtime purposes.
• Salaried employees earning less than $684 per week ($35,568/year) as of the current DOL threshold are generally entitled to overtime regardless of job title.
• Employers cannot require employees to waive their right to overtime pay, even voluntarily.

Once you know your overtime earnings, use our dedicated overtime calculator to see exactly how overtime income is taxed and what your net take-home will be.

State-by-State Overtime Rules

Several states go beyond federal requirements. Your time card calculations may need to account for daily overtime in addition to weekly overtime:

If you work in California, use our California paycheck calculator for daily overtime calculations built into the estimate.

How to Calculate Time Cards With Lunch and Breaks

Understanding which breaks are paid and which are unpaid directly affects your time card total. The FLSA rules are clear:

• Short breaks (5–20 minutes) must be counted as paid work time and cannot be deducted from your time card.
• Bona fide meal periods (30 minutes or more) can be unpaid and deducted, provided the employee is completely relieved of duties.
• If an employer requires work during a "lunch break," that period becomes compensable paid time regardless of duration.

To calculate a time card with a lunch break: total your clock-in/out span, then subtract only unpaid meal periods of 30 minutes or more. Never deduct short rest breaks — doing so is a wage violation.

Time Card Calculator With Military Time (24-Hour Clock)

Many employers — especially in healthcare, manufacturing, and government — use military time (24-hour format) on time cards. Here is how to calculate time card hours using military time:

1. Military time runs 0000 (midnight) to 2359 (11:59 PM).
2. To calculate hours worked, simply subtract start time from end time. Example: 1545 − 0730 = 815, meaning 8 hours and 15 minutes.
3. If the result's minutes exceed 59, add 40 to convert. Example: 1600 − 0745 = 855 → add 40 → 895 → not needed here since 55 min is valid.
4. Convert to decimal: 8 hrs 15 min = 8.25 hours.

Biweekly Time Card Calculations

A biweekly pay period covers two workweeks. This is the most common pay frequency in the United States. The critical rule: overtime is always calculated per workweek, not per pay period.

This means even if your biweekly total is under 80 hours, you could still owe overtime for one of the individual weeks:

Use our paycheck calculator to convert your biweekly gross pay into a net take-home amount after all deductions.

How to Calculate Time Cards in Excel

Building a time card calculator in Excel is useful for teams or employers managing multiple employees. Here is the formula setup:

1. Format columns: Column A = Clock In (Time format), Column B = Clock Out (Time format), Column C = Lunch Break (Number, decimal hours).
2. Hours formula: In Column D, enter =((B2-A2)*24)-C2 to get total paid hours as a decimal.
3. Pay formula: Multiply by hourly rate: =D2*E2 where E2 is your hourly rate.
4. Overtime formula: =IF(D2>8, (8*E2)+((D2-8)*E2*1.5), D2*E2) for daily OT (California-style), or apply weekly after summing all daily hours.
5. Weekly total: Use =SUM(D2:D6) to sum Monday–Friday. Apply overtime on the weekly total if needed.

For most workers, our online calculator is faster and eliminates formula errors. But Excel templates are valuable for employers managing payroll taxes across multiple workers.

Time Card Rounding Rules and the 7-Minute Rule

The U.S. Department of Labor (DOL) permits employers to round employee time to the nearest 5 minutes, 1/10th of an hour (6 minutes), or quarter-hour (15 minutes) — as long as the rounding averages out in the employee's favor over time.

The 7-Minute Rule Explained

For quarter-hour rounding, the "7-minute rule" means:

• 0–7 minutes into a quarter-hour → round down to the start of that quarter
• 8–14 minutes into a quarter-hour → round up to the next quarter

If your employer's rounding policy consistently results in less pay than actual time worked, that is a potential wage violation reportable to the DOL or your state labor board.

Using Time Cards for Payroll: From Hours to Net Pay

Time card hours are only the starting point. To arrive at your actual take-home pay, several deductions apply:

1. Gross pay = Regular hours × rate + Overtime hours × (rate × 1.5)
2. Federal income tax withholding — based on your W-4 filing status and allowances.
3. Social Security tax — 6.2% of gross wages (up to the 2026 wage base of $184,500).
4. Medicare tax — 1.45% of all gross wages (no wage base cap); an additional 0.9% applies above $200,000.
5. State income tax — varies by state; seven states have no income tax.
6. Pre-tax deductions — health insurance, 401(k) contributions, HSA deposits, etc.

Use our paycheck calculator to run a complete gross-to-net calculation, or try the federal income tax calculator to estimate your annual tax liability based on your hourly earnings.

Tips to Protect Your Pay and Avoid Wage Theft

Wage theft — being paid less than you are legally owed — affects millions of U.S. workers each year. Here are practical steps to protect yourself:

1. Keep Your Own Records

Never rely solely on your employer's timekeeping system. Log your actual start and end times in a personal notebook, phone app, or spreadsheet. Compare these against your official time card at each pay period.

2. Verify Every Paycheck

Use this time card calculator to independently compute your expected gross pay. Then use our paycheck calculator to cross-check your net pay. Discrepancies should be raised with HR or payroll immediately and documented in writing.

3. Understand Compensable Time

The FLSA requires pay for all "suffered or permitted" work. This includes time spent putting on required safety gear, brief pre-shift work, attending mandatory training, and answering work calls or emails outside scheduled hours.

4. Know Your State's Minimum Wage

Your effective hourly rate — including overtime — must never fall below your state's minimum wage. In states like California ($16–$20/hr depending on industry) or Washington ($16.28/hr in 2026), state minimums exceed the federal rate. Use our salary-to-hourly calculator to verify your effective rate.

5. Report Violations

If you believe your employer is not paying you correctly, you can file a complaint with the U.S. Department of Labor's Wage and Hour Division (WHD) at dol.gov/agencies/whd, or contact your state labor board. There is no fee to file, and retaliation by employers is illegal under federal law.