The working day, made clear
Work Hours Calculator: Your Hours, Clearly Counted.
Free calculators for shifts, timecards, and pay. Subtract unpaid breaks, plan your clock-out, and see exact minutes and decimal hours. No account needed.
A tool for each part of your day
Every calculator, one clear purpose.
22 calculators
Work Hours Calculator
One shift. Every minute accounted for.
02Clock-Out Calculator
Know when your paid target is complete.
03Weekly Timecard
A week of work, neatly totaled.
04Overnight Shift Calculator
Across midnight, without the guesswork.
05Decimal Hours Converter
Turn minutes into decimals—and back.
06Biweekly Timecard
Two workweeks. Two clear totals.
07Hours & Minutes Calculator
Add durations without base-60 mistakes.
08Gross Pay Estimator
Hours × rate. Before deductions.
09Overtime Pay Estimator
See regular and overtime pay separately.
10Hourly ↔ Salary Calculator
Compare pay on your actual schedule.
11Shift Differential Estimator
Separate base earnings from the premium.
12PTO Accrual Estimator
Model the policy your employer provides.
13Work Schedule Comparison
Two schedules, one honest comparison.
14Freelance Hourly Rate Calculator
Find the hourly rate your freelance work deserves.
151099 Take-Home Pay Calculator
See what you actually keep after taxes.
16Self-Employment Tax Estimator
The 15.3% you owe, broken down clearly.
17Billable Hours Calculator
How many hours can you really bill?
18Project Profit Calculator
Know your real profit on every project.
19Self-Employed Health Insurance Deduction Calculator
Estimate your Form 7206 deduction and tax savings.
20Hours to Pay Insurance Calculator
How many work hours buy your health insurance?
21COBRA vs Marketplace Calculator
Which costs less over 6 and 12 months?
22No Tax on Overtime Calculator
Estimate your OBBBA overtime tax deduction.
The essentials
Work hours, without the second guess.
How to Calculate Hours After Unpaid Lunch
Step-by-step guide to calculate work hours after an unpaid lunch break. Separate time on site from paid time, with a worked example for U.S. hourly workers.
Read guide Field guideHow to Calculate an Overnight Shift
How to calculate overnight shift hours that cross midnight. Use explicit calendar dates to make overnight time unambiguous for U.S. hourly workers.
Read guide Field guideWhy 7 hours 30 minutes is 7.5 hours, not 7.30
Why 7 hours 30 minutes is 7.5 hours, not 7.30. A practical guide to base-60 minutes, decimal hours, and display rounding for U.S. timecards.
Read guideExact minutes first. Clear assumptions always.
From 9:00 AM to 5:30 PM with a 30-minute unpaid lunch, the result is 8 hours: 480 minutes, or 8.00 decimal hours. Every time calculation follows that same visible arithmetic.
Each calculator runs entirely in your browser. There is no server, no API call, and no account. Your entries never leave your device. Optional saved drafts stay in browser local storage until you clear them.
The site covers the most common tasks a U.S. hourly worker faces during a typical day. Track a single shift with unpaid breaks. Build a weekly timecard with multiple work periods. Find your clock-out time from a paid-hours target. Compare two schedules to see which one pays more. Convert between hours and minutes and decimal hours for payroll forms.
State overtime rules are noted where they matter. California, Alaska, and Nevada require daily overtime after 8 hours for most nonexempt workers. Colorado requires daily overtime after 12 consecutive hours. Federal law under the FLSA only requires weekly overtime after 40 hours.
Hours and shifts
Start with the work hours calculator to find paid time for a single shift. The overnight shift calculator handles shifts that cross midnight with explicit calendar dates. Use the clock-out calculator to find when to leave based on your paid-hours target and unpaid breaks. Convert between hours and minutes with the decimal hours converter or add multiple durations with the hours & minutes calculator.
Timecards
Build a weekly timecard with multiple work periods per day and download CSV or print. The biweekly timecard covers two seven-day workweeks with separate subtotals. Read the guide on handling split shifts for tips on avoiding double-counted breaks.
Pay and planning
Estimate gross pay with the gross pay estimator. The overtime pay estimator shows regular and overtime pay separately under FLSA rules. Convert between hourly and salary with the hourly ↔ salary calculator. Compare two schedules with the work schedule comparison. The shift differential estimator separates base earnings from night or weekend premiums. Model PTO accrual with the PTO accrual estimator.
Freelance and contractor tools
Set your hourly rate with the freelance hourly rate calculator. Estimate take-home pay after self-employment tax with the 1099 take-home pay calculator. The self-employment tax estimator breaks down Social Security and Medicare. Count billable hours with the billable hours calculator and measure project profit with the project profit calculator.
For worked examples and state-by-state guidance, browse the field guides.
hours. The calculators use simplified assumptions; the calculation methodology page explains the formulas and limits.Read about device data · See our calculation methods · Browse all 18 calculators