Useful for billing a client by the hour, figuring out a shift, or checking how long you slept. For a full date range, the Time Duration Calculator is the more capable option.
Calculator
How to use the Hours Between Two Times Calculator
- Type the start time and end time in 24-hour format.
- Pick whether the end is on the same day, the next day, or a custom number of days later.
- Read the duration, the decimal hours and the total minutes.
- Use the table to convert to a billing format.
About this tool
The Hours Between Two Times Calculator is built for speed and accuracy: every calculation runs in your browser, so your data never leaves your device and the result updates as you type. It works equally well on a phone, a tablet or a desktop, and it is free to use as many times as you like.
Common use cases
- Calculating a billable period between two times.
- Working out sleep hours across midnight.
- Logging a single shift without the date.
- Converting a clock duration to decimal hours for payroll.
Tips for the best result
- Use the latest figures you have - even a small change in rate or term can shift the outcome by hundreds.
- For annual figures, divide by 12 to get a monthly number you can compare with the result.
- Bookmark this page and revisit the calculation as the inputs change.
Frequently asked questions
What if the end is the day after but my input is 9:00-6:00?
Select "Next day" and the calculator adds 24 hours to the end.
How do I convert decimal hours to h:min?
Take the integer part as hours, multiply the decimal by 60 for minutes. 6.75 h = 6 h 45 min.
Related tools you may like
Time Duration CalculatorDate · The Time Duration Calculator measures how much time passes between two timestamps. Enter a…Working Days CalculatorDate · The Working Days Calculator is the flexible version of a business-days counter. Instead of…Work Week CalculatorDate · A project that ends in three weeks is six, eight or fifteen workdays depending on which da…Days Between Dates CalculatorDate · The Days Between Dates Calculator measures the gap between two calendar dates. Enter a sta…Leap Year CheckerDate · The Leap Year Checker tells you whether a given year has 366 days, and explains why. A yea…Age CalculatorDate · This Age Calculator converts a date of birth into a precise age down to the day. Instead o…Exam Pass Probability CalculatorStudent · A pass-probability calculator treats your exam score as a draw from a normal distribution.…Average CalculatorMath · The Average Calculator takes a list of numbers and returns the statistics that matter: cou…