Time calculator
Time Calculator
Calculate hours and minutes between two times, including overnight spans.
Quick answer
How do you add hours and minutes?
Add the minutes first; for every 60 minutes, carry 1 hour. For example 2 h 45 m + 1 h 30 m = 3 h 75 m = 4 h 15 m.
⚡ Answer updates as you type · Enter = calculate · Esc = reset
The Time Calculator finds hours and minutes between a start time and end time, including overnight spans.
About this Time Calculator
Calculate the number of hours and minutes between two times, including overnight shifts. Great for timesheets, freelance hours, and travel planning.
What you'll need
- • Start time
- • End time
- • Optional break in minutes
How it works
- 1. Enter a start time and end time.
- 2. Add break minutes if needed.
- 3. View the elapsed hours, minutes, and decimal hours.
Worked example
From 9:30 AM to 5:15 PM with a 30-minute break is 7 hours and 15 minutes.
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Time Calculator FAQ
What is the Time Calculator?
The Time Calculator is a free online tool that helps you calculate hours and minutes between two times, including overnight spans.
How do I use the Time Calculator?
Open the Time Calculator, enter the requested values, and review the instant estimate on the page.
Is the Time Calculator free?
Yes. The Time Calculator is free to use on Fast Online Calculator and does not require an account.
Does it support overnight time spans?
Yes, the calculator detects when the end time is on the next day and adds 24 hours automatically.
Can I export hours as a decimal?
Yes, the result includes both H:M and decimal hours like 7.25.
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