HoursCalc

Time Card Calculator

A punch card for your phone: clock-in, clock-out and lunch for each day, totalled into hours, decimal hours, overtime and pay. Weekly or biweekly.

Pay period
Split shifts
Daily punches
DayInOutBreak minutesHours
Mon–
Tue–
Wed–
Thu–
Fri–
Sat–
Sun–
Total for the week0:000.00 decimal hours
Regular
0.00 h
Overtime 1.5×
0.00 h
Double time 2×
0.00 h
Gross pay
add a rate

Paste punches instead of typing

Copy lines from a text, an email or a clock export, e.g. “Mon 7:58a–4:31p lunch 30, Tue 8–5”. AI reads it and fills the card; the calculator does the maths.

Your text is sent to our server and an AI model through Vercel AI Gateway to be read; it is not stored. Don’t paste names or ID numbers.

Saved time cards

Stored only in this browser (localStorage). Your current entries are also kept as a draft so a refresh doesn’t lose them.

No saved cards yet.

How to fill in a time card

  1. Pick the pay period. One week for weekly pay, two weeks for biweekly. Set the day your employer’s workweek starts, because overtime is counted per fixed 7-day workweek.
  2. Type each clock-in and clock-out. 12-hour or 24-hour times both work. If you clocked out after midnight, just type the time: the row is marked “+1 day” and counted correctly.
  3. Enter unpaid lunch in minutes. Leave paid rest breaks in.
  4. Choose rounding only if your employer’s clock rounds; otherwise keep it exact.
  5. Add your hourly rate to see gross pay with overtime at 1.5× (and 2× where your state requires it).

Adding a date for the first day turns on daylight-saving checks: a night shift over the March or November clock change is adjusted by the real hour lost or gained in your time zone (detected from your device).

Weekly vs biweekly time cards

A biweekly card is two workweeks side by side, not one 80-hour block. Work 50 hours in week one and 30 in week two and the total is still 80, but federal law owes 10 hours of overtime for week one. That is why this card keeps the weeks separate. The overtime calculator shows the split in detail, and overtime rules by state lists where daily overtime applies.

Rounding punches

Many clocks record to the nearest quarter hour using the 7-minute rule. It is legal under federal rules only when it is neutral over time, rounding both in the employee’s favour and against. See exactly where a punch lands on the time clock rounding page.

Questions people ask

How do I use a time card calculator?

Enter the time you clocked in and out for each day, plus any unpaid lunch in minutes. The calculator totals each day, adds up the week, converts the total to decimal hours and, if you add an hourly rate, works out gross pay with overtime.

Does the time card calculator handle a biweekly pay period?

Yes. Choose “2 weeks” and you get 14 rows. Federal overtime is counted per workweek, so the calculator splits the period into two 7-day weeks and applies the 40-hour rule to each one separately, never to the 80-hour total.

How is lunch deducted on a time card?

Type the unpaid lunch length in the Break column. It is subtracted from that day’s punch span. Paid rest breaks of 5 to 20 minutes should not be deducted: the U.S. Department of Labor treats them as hours worked (29 CFR 785.18).

What is the 7-minute rule?

A rounding practice for time clocks that record to the quarter hour. Punches 1–7 minutes past a quarter round back; 8–14 minutes round forward to the next quarter. The Department of Labor accepts rounding only if, over time, it does not consistently shortchange employees (29 CFR 785.48).

How do I calculate my time card with a lunch break?

For each day, subtract the clock-in time from the clock-out time, then subtract the unpaid lunch. 8:00 AM to 4:30 PM is 8 h 30 min; minus a 30-minute lunch it is 8 h 0 min. If you clock out and back in for lunch, tick “Add a 2nd in/out per day” and enter both blocks instead.

How do I convert my time card hours to decimal?

Divide the minutes by 60 and add them to the hours: 38 h 45 min = 38 + 45 ÷ 60 = 38.75 hours. The calculator shows the decimal total under the hours:minutes total.

Can I set my own overtime threshold?

Yes. Choose “Custom thresholds…” in the overtime rule list and enter the daily and/or weekly hours after which 1.5× applies, plus an optional daily double-time limit. That covers union contracts and company policies that pay more than the law requires.

Can I save my time card?

Yes. Click “Save card” and it is stored in this browser’s localStorage on your device only. Nothing is uploaded. You can reopen saved cards, delete one, or clear all saved data with one button.

How is overtime calculated on a weekly timesheet?

Under the federal FLSA, non-exempt employees earn at least 1.5× their regular rate for hours over 40 in a workweek. Some states add daily overtime: California pays 1.5× after 8 hours in a day and 2× after 12. Pick your rule set above; results are general information, not payroll advice.

More time calculators