Hours and Minutes Calculator
Free online hours and minutes calculator. Add or subtract time, convert to decimal hours, and calculate hourly pay instantly.
About this tool
Calculate hours and minutes online with full timesheet support and instant decimal conversion. Add or subtract time entries to get precise accumulated totals, convert to decimal hours for payroll and accounting software, then enter your hourly rate to see your estimated gross pay instantly.
Features
Main Use Cases
- Freelancers and ContractorsAdd hours worked across multiple projects, subtract breaks and instantly see your invoice total.
- HR and PayrollConvert clock hours to the decimal format required by payroll and accounting software.
- Logbooks and EquipmentSum flight hours, machine hours or service intervals without struggling with minute arithmetic.
How to Use This Tool
Enter a Time Entry
Type hours and/or minutes in the input fields.
Add or Subtract
Click Add to accumulate time or Subtract to deduct it — for example a lunch break.
Read the Results
The total updates instantly in hours and minutes, decimal hours and estimated payout.
Common Examples
- •Timesheet: add 3h 30m + 2h 45m and subtract 1h (lunch) — the calculator shows 5h 15m (5.25h).
- •Freelance billing: after logging 8h 20m at $55/h the payout shows $458.33 automatically.
- •Machine hours: sum daily run times across a week to get the total maintenance interval.
Questions and Answers
Type the break duration in the fields (e.g. 1 hour, 0 minutes) and click Subtract. The break is removed from the running total automatically.
Just type the time — the calculator automatically shows the decimal value (e.g. 30 minutes = 0.5 hours) alongside the standard total. Payroll and accounting systems use decimal hours to calculate salaries, so you can copy the value directly into your software.
Yes. Add the hours worked for each period and subtract any breaks. The running total and estimated payout update automatically, ready to enter into HR or accounting software.
Add each work period separately — Monday, Tuesday, Wednesday etc. — clicking Add each time. The calculator accumulates everything automatically and shows the weekly total in hours, minutes and decimal format, ready to enter into your timesheet.