Convert a HH:MM:SS or H:MM:SS duration string to total seconds, minutes and hours. Handles hours above 24. Free online time converter. All processing runs locally in your browser. Your data is not uploaded to any server.
100% Local Processing
How to Use
Paste a duration written as HH:MM:SS and get the exact total in seconds. Also accepts MM:SS and plain H:MM forms.
Steps
Type a duration such as 01:30:00.
Click Convert.
Read the total seconds, minutes and hours.
Accepted formats
HH:MM:SS such as 01:30:00.
MM:SS such as 90:00, treated as minutes seconds.
Hours may exceed 24, for example 26:00:00.
Colon or decimal fractions of a second are supported.
Features
One input, three outputs: seconds, minutes and hours.
Parses durations as written, no guessing about units.
Everything is computed in the browser.
All processing runs locally in your browser. Your data is not uploaded to any server.