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Calculate Work Hours, Timesheets & Overtime

Fast free tools for shifts, breaks, payroll, and time cards.

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Trusted by employees, freelancers, contractors, and shift workers worldwide.

Work Hours Calculator

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Net Hours

8h 30m

Try it here, then open the full calculator for history, breaks, and saved entries.

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Find the right tool for hours, timesheets, or pay.

Popular: Work HoursTime CardTimesheetWeekly HoursLunch BreakOvertimePaycheckBillable Hours

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Organized by what you need — time tracking, breaks, overtime, payroll, converters, and freelance billing.

Time Tracking

Breaks

Overtime

Payroll

Converters

Freelance

Built for daily work tracking

Whether you punch a clock, bill by the hour, or prep payroll — these tools are designed for real-world time tracking.

Employees tracking shifts

Clock in and out, subtract breaks, and see net hours before submitting your timesheet.

Freelancers calculating billable hours

Total client-ready hours in decimal format for invoices and project billing.

Contractors estimating pay

Split regular and overtime hours to preview weekly earnings before payday.

Payroll & timesheet preparation

Validate weekly totals, export results, and prep accurate time card submissions.

Free Online Calculators for Work Hours, Timesheets, and Payroll

Work Hour Tools provides 15+ free online calculators to help employees, freelancers, contractors, and shift workers manage their time and pay. Whether you need to add up a weekly timesheet, figure out overtime earnings, or estimate your next paycheck, each tool has its own dedicated page with examples and FAQs.

Our work hours calculator helps you calculate daily and weekly hours including lunch breaks. The time card calculator converts clock-in and clock-out times into decimal hours for payroll. If you work overtime, the overtime calculator and time and a half calculator make it simple to see what you should earn.

For payroll estimates, the paycheck calculator gives you a quick take-home pay estimate based on your hourly rate and hours worked. Every calculator runs directly in your browser with no signup or personal information required. Browse the full list at all calculators or view our sitemap for every indexable page.

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Frequently Asked Questions

Common questions about our free work hours tools.

How do I calculate work hours?

Enter your start time, end time, and break duration into our Work Hours Calculator. It subtracts your break and gives you total hours worked in decimal format, making it easy to fill out timesheets or estimate pay.

How do I calculate overtime pay?

Use our Overtime Calculator. Enter your regular hourly rate and the number of overtime hours worked. The calculator will show your overtime earnings based on standard overtime rules.

How do I calculate time and a half?

Time and a half means 1.5 times your regular hourly rate. Our Time and a Half Calculator multiplies your base rate by 1.5 and then by the number of overtime hours to show your total overtime earnings.

What is a timesheet calculator?

A timesheet calculator adds up your daily work hours across a week. It helps employees and freelancers fill out timesheets accurately before submitting them to employers or clients.

How do I convert clock-in and clock-out times to hours?

Use our Time Card Calculator. Enter your clock-in and clock-out times, and the calculator converts them into decimal hours. For example, 8:30 AM to 5:00 PM becomes 8.5 hours.