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Duration calculator

Calculate the duration between two timestamps for FFmpeg commands

Calculates duration between two timestamps. Use the result with FFmpeg's -t or -to flags.

01TIME RANGE

accepts hh:mm:ss · mm:ss · ss

start time

end time

about · format reference

Real-time calculation as you type. Both colons (:) and semicolons (;) work as separators. Outputs maintain full precision (displayed to 3 decimal places).

Hours format: HH:MM:SS.mmm · e.g. 1:23:45.678
Minutes format: MM:SS.mmm · e.g. 23:45.678
Seconds format: SS.mmm · e.g. 45.678

timecode · HH:MM:SS.mmm

00:00:00.000

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seconds · -t value

0.000

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