Pay yourself correctly
Convert time to pay, check overtime, and total time cards before payday.
Time & productivity calculators
Time & Productivity Calculators for Pay, Scheduling, and Focus
Convert time to pay, plan schedules, count dates and work days, and run focus timers — all locally, with assumptions visible.
Built for employees, freelancers, students, managers, and anyone tracking time or focus. Inputs stay local unless a tool clearly says otherwise.
Modeled default comparison
Compare pay and schedule tools at a glance
| Task | Tool | Typical modeled inputs | What it helps you decide |
|---|---|---|---|
| Time card | Open Time card fee calculator | Clock in/out, breaks, pay rate | Daily and weekly totals plus gross pay |
| Pay conversion | Open Pay conversion fee calculator | Annual/salary or hourly, hours per week | Equivalent hourly or annual pay |
| Overtime | Open Overtime fee calculator | Regular rate, hours, overtime multiplier | Regular vs overtime earnings |
| Date span | Open Date span fee calculator | Two dates, unit (days/weeks/months) | Elapsed or remaining time between dates |
Modeled comparisons use each tool's editable defaults. Pay results are estimates; verify your employer's rules, tax, and overtime policy.
Decision support
Use these tools before money changes hands
Plan the schedule
Count dates, work days, and elapsed time for projects and deadlines.
Protect focus
Run pomodoro, countdown, or stopwatch sessions to structure deep work.
Tool cluster
Recommended tools
Featured
Time Card Calculator
Time card calculator with lunch: total daily and weekly work hours, subtract breaks, and compute overtime for payroll from clock in and out times. Free.
Featured
Salary to Hourly Converter
Salary to hourly calculator: convert an annual salary into an hourly rate from hours per week and weeks per year to compare offers. Free, runs locally.
Featured
Overtime Calculator
Overtime calculator: compute time-and-a-half and double-time overtime pay from your hourly rate and hours worked each week. Free, editable rates, no signup.
Featured
Time to Decimal Calculator
Time to decimal calculator: convert hours and minutes into decimal hours for payroll, timesheets, and client billing. Free, private, runs in your browser.
Useful
Hours and Minutes Calculator
Hours and minutes calculator: add and subtract time in hours and minutes for timesheets, payroll, and client billing. Free, private, runs in your browser.
Useful
Date Difference Calculator
Date difference calculator: find the exact days, weeks, months, and years between two dates for deadlines, ages, and project timelines. Free, no signup.
Useful
Business Days Calculator
Business days calculator: count working days between two dates or add business days, skipping weekends and holidays. Free, private, runs in your browser.
Useful
Date Calculator Workspace
Date calculator: add or subtract days from any date, find the difference between two dates, and get the weekday result. Free, private, runs in your browser.
Useful
Paycheck After Tax Calculator
paycheck after tax calculator that estimates take-home pay from salary with federal brackets, FICA, and state withholding. Editable rates, free, no signup.
Useful
Pace Calculator
Running pace calculator: convert race time and distance into pace per km or mile, and predict marathon or 5K finish times. Free, private, no signup required.
Useful
Pomodoro Timer
Pomodoro timer: run 25/5 focus sessions with fully adjustable work and break lengths to beat procrastination. Free, private, runs in browser, no signup.
Useful
Countdown Timer
Countdown timer: set a free online countdown clock for cooking, workouts, meetings, and study, with an alarm when time runs out. No signup, runs locally.
Useful
Stopwatch
Stopwatch: precision online stopwatch with lap times, split recording, and hundredth-of-a-second accuracy for timing anything. Free, private, no signup.
Trust model
Useful pages, not thin pages
These collections group existing tools around real decisions. The calculators keep assumptions visible, link to related tools, state important limitations, and point toward quality evidence so you can verify inputs before relying on a result.
FAQ
Common questions
Are pay estimates exact?
No. Overtime rules, tax, benefits, and employer policies vary. These are planning tools to check before relying on a number.
Which time tool should I use?
Start with the task: time card, pay conversion, overtime, date math, or a focus timer. The hub links the related tools.
Do the timers need an account?
No. Timers run locally in your browser and store nothing unless you choose to export.