Time Duration Calculator

Calculate elapsed hours and minutes between two times.

Enter your numbers

Duration8 h 45 min
Total hours8.75
Total minutes525

If the end is earlier than the start, it is treated as the following day.

Practical guide

Time Duration Calculator

Worked example

Here is a simple Time Duration example:

08:30 to 17:15 → 8 hours 45 minutes.

Common mistakes to avoid

  • Use 24-hour time.
  • Overnight intervals are supported.
  • Breaks are not deducted automatically.

Frequently asked questions

What does the Time Duration calculate?

Calculate elapsed hours and minutes between two times.

Which formula is used?

Duration = end time − start time

Can I rely on this result?

Use the result as a planning estimate. Check important financial, tax, legal, investment, or health decisions with a qualified professional.