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High-Precision Temporal Engine

Arbetstids- & Lönekalkylator

Beräkna arbetade timmar, obetald rast och bruttolön.

Daily Time Card & Pay Calculator

Punch in times, breaks, overtime threshold, and wage for instantaneous payroll analysis.

Presets:
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$
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Currency:
Payroll Summary
Net Work Time
8h 00m (8.00 hrs)
Total Span (In to Out) 8h 30m
Break Deducted -30 mins
Regular Hours 8.00 hrs
Overtime (1.5x) 0.00 hrs
Estimated Gross Pay
$228.00 $28.50/hr base
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How to Accurately Count Hours Worked

Converting punch clock punch records into billable payroll requires translating sexagesimal minutes (base-60) into standard decimal hundredths (base-100).

Standard Step-by-Step Conversion:
1. Record Start and End times in 24h format.
2. Subtract Start from End: (17:15 - 08:30) = 8 hours and 45 minutes.
3. Convert remaining minutes: 45 ÷ 60 = 0.75.
4. Deduct mandatory lunch: 45 min break = 0.75 hrs.
5. Total Billable Hours: 8.75 - 0.75 = 8.00 Decimal Hours.

Under Fair Labor Standards (FLSA) regulations in the United States and EU Working Time Directives, breaks lasting under 20 minutes are generally paid, while meal periods exceeding 30 continuous minutes are unpaid.

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Popular Work Shift Schedules Comparison

Standard operational shifts vary by industry sector. Below is an overview of canonical workforce schedules:

Shift Gross Span Standard Break Paid Hours
8:00 AM – 5:00 PM 9.0 Hours 60 Mins 8.00 Hours
9:00 AM – 5:00 PM 8.0 Hours 30 Mins 7.50 Hours
9:00 AM – 6:00 PM 9.0 Hours 60 Mins 8.00 Hours
10:00 PM – 6:00 AM 8.0 Hours 30 Mins 7.50 Hours (Graveyard)
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Mathematical Formula & Decimal Conversion Chart

Payroll systems cannot perform math on timestamps directly. Minute-to-decimal conversion must adhere to the 60-minute fractional dividend.

15 Minutes
0.25 hrs
30 Minutes
0.50 hrs
45 Minutes
0.75 hrs
6 Minutes
0.10 hrs (1/10th)
12 Minutes
0.20 hrs
48 Minutes
0.80 hrs
1. The 7-Minute Rule

Under FLSA regulations, companies may round punch times to the nearest quarter hour (15 minutes). Punches between 1 to 7 minutes round down, while 8 to 14 round up.

2. Overtime Thresholds

In standard jurisdictions, time worked in excess of 40 hours per workweek (or 8 hours/day in California and Alaska) must be compensated at 1.5 times the regular rate of pay.

3. Midnight Crossover

For third-shift employees, when clock-out occurs past midnight, duration is calculated as (ClockOut + 24:00) - ClockIn - UnpaidBreak.

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Frequently Asked Questions

How do I calculate work hours with lunch breaks?

Enter your exact punch in time and punch out time. Enter your total lunch or rest period in the 'Unpaid Break' field (e.g. 30, 45, or 60 minutes). The system automatically subtracts this interval from your gross span to provide true net billable decimal hours.

What is the difference between clock hours and decimal hours?

Clock hours use base 60 (e.g. 7 hours and 30 minutes). Decimal hours express that duration as a single floating number (7.50 hours). Payroll processing software requires decimal hours so they can multiply wage rates directly (e.g. 7.50 × $20 = $150.00).

How does the calculator handle overnight shifts?

When the end time is numerically lower than the start time (for instance, starting at 10:00 PM and finishing at 6:30 AM), the calculator automatically detects midnight traversal and calculates continuous overnight elapsed time without requiring date inputs.

Can I calculate business working days between two calendar dates?

Yes, switch to the 'Date Difference' tool. It counts total calendar days while automatically isolating Mondays through Fridays as billable business days, excluding weekend Saturdays and Sundays.