Free Time Tracking Tools and Calculators
Free, no-signup calculators and timers from Sandtime.io for hours, pay, rates, billing, and focus. Everything runs in your browser.
Hours and pay
Add up hours worked and convert between rates and salaries.
Time Card Calculator
Add clock-in, clock-out, and break times to get daily and weekly hours, overtime, and pay.
Open toolHourly to Salary Calculator
Convert an hourly rate to an annual salary and back, with overtime and unpaid time off.
Open toolOvertime Pay Calculator
Add regular, overtime, and double-time hours at your rate to get overtime pay and total pay.
Open toolWorking Days Calculator
Count the business days between two dates, excluding weekends and public holidays.
Open toolBilling and revenue
Set rates, estimate lost revenue, and turn hours into invoices.
Billable Leakage Calculator
Estimate the revenue lost to forgotten billable work, and how much better tracking could recover.
Open toolFreelance Rate Calculator
Work out the hourly rate you need from your income goal, costs, time off, and billable share.
Open toolMeeting Cost Calculator
See what a meeting costs from the people, their rate, and the length, with a live cost timer.
Open toolProject Profitability Calculator
Turn revenue, hours, cost rate, and expenses into project cost, profit, and margin.
Open toolTime Tracking Health Check
Grade your team on utilization, lost time, overtime, and timesheet discipline, and see what to fix first.
Open toolInvoice Generator
Create a simple invoice online, then print it or save it as a PDF. No signup or email address.
Open toolLeave and time off
Work out paid time off accrual and balances.
Focus timers
Simple timers to help you concentrate and take breaks.
Questions about the free tools
Are the tools free?
Yes. Every tool is free, needs no account or email address, and has no usage limit.
Do the tools store what I enter?
The calculators run entirely in your browser. Nothing you type is saved or sent to a server.
How is this different from the app?
The tools are quick manual helpers. Sandtime.io records time as you work, so hours, overtime, and billable totals are ready without retyping them.