Work Hours & Timesheet Calculator

Q: How are unpaid lunch breaks subtracted from total hours?

Enter your break duration in minutes (e.g. 30 or 60 min), and the calculator deducts it cleanly from total elapsed shift time.

Q: Does the calculator convert work time to decimal hours?

Yes. It displays both standard hours:minutes (e.g. 7h 30m) and decimal hours (7.50h) formatted for payroll and billing software.

Q: Is my hourly rate or wage information kept private?

Yes. All wage calculations run locally in your web browser. No financial data, salary rates, or timesheets are ever uploaded or stored.

Calculate daily shift durations, weekly work totals, unpaid lunch deductions, and estimated gross earnings effortlessly. Supports overnight shifts, decimal hour conversions, and hourly pay rates directly inside your browser with complete privacy and zero data tracking. Generate clean timesheets for payroll and invoicing.

Start Time (Clock In)

End Time (Clock Out)

Break Duration (Minutes Deducted)

Hourly Pay Rate (Optional)

Net Billable Work Hours

7 hrs 45 mins

= 7.75 decimal hours

Estimated Pay: $193.75

Gross Shift Time:

8 hrs 30 mins

Unpaid Break:

45 minutes

Timesheet Decimal:

7.75

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Step-by-Step Guide: How to Use Work Hours Calculator Online

1Enter your shift Start Time and End Time.
2Enter unpaid break duration in minutes (e.g. 30 or 45 mins).
3Optionally provide your hourly pay rate to calculate estimated wages.
4Copy your formatted timesheet summary.

Work Hours Calculator Features & Capabilities

Computes gross and net working hours with unpaid break deductions
Accurately handles overnight shifts spanning across midnight
Converts working time to decimal hours (e.g. 7.75 hrs) for standard payroll software
Optional hourly wage rate field to estimate gross earnings
100% private in-browser timesheet calculation

Technical Specifications & Privacy Standards

Supported Formats	Time & Clock
Execution Architecture	100% Client-Side WebAssembly & HTML5 Canvas (Local CPU/GPU)
Server File Transfer	0 Bytes Transferred (Zero Cloud Uploads)
Output Quality	Lossless Vector & Original Resolution Maintained
Compatibility	Cross-Platform (Windows, macOS, Linux, iOS, Android)

Local Client-Side Processing Guarantee

Your files are processed locally in your browser memory and are not uploaded to our file-processing servers.

Work Hours Calculator FAQ

Can this calculator handle overnight graveyard shifts?

Yes. If your shift starts in the evening (e.g. 10:00 PM) and finishes the next morning (e.g. 6:00 AM), it automatically calculates total overnight hours.

How are unpaid lunch breaks subtracted from total hours?

Does the calculator convert work time to decimal hours?

Is my hourly rate or wage information kept private?