About this tool
Convert between hours, minutes and seconds. Get total duration in any unit.
How it works
- 01Paste your content or select a file
- 02The tool processes it locally in your browser
- 03Download or copy the result
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Time Duration Calculator
Convert between hours, minutes and seconds. Get total duration in any unit.
Processed locally
Runs in your browser with WebAssembly. Your date & time is never sent to a server.
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