Add up video lengths, in seconds
Total a playlist, a course or a batch of clips. Paste durations in any common format or drop the video files themselves, and get the total, the average and how long it takes to watch at a faster speed.
To add up video durations, paste one length per line, such as 4:35, 1:02:10, 95s or 1h 20m, or drop the video files to read each one's length from the file. The calculator shows the total as hours, minutes and seconds, the total in minutes, the average clip length, and the watch time at 1.25×, 1.5× and 2× speed. Files are only read in your browser for their length and resolution; nothing is uploaded.
3 steps, a few seconds
Add your lengths
Paste one duration per line, or drop video and audio files to read theirs.
Read the total
See hours, minutes and seconds, minutes in total and the average length.
Plan the watch time
Check how long it all takes at 1.25×, 1.5× and 2× playback.
What the Video Duration Calculator does
Any time format
4:35, 01:04:35, 275, 275s, 4m 35s, 1h 4m, 1.5h and more.
Reads your files
Drop many videos at once to list each length and resolution.
Totals and averages
Total time, total minutes and seconds, clip count and average.
Faster playback
Watch time at 1.25×, 1.5× and 2×, for courses and playlists.
Private
Files are only read for their length, in your browser.
Free
No account, no limits.
- Text input
- One duration per line: H:MM:SS, M:SS, seconds, or units like 1h 2m 3s
- File input
- Any video or audio your browser can open; only its length and size are read
- Output
- Total (H:MM:SS), total minutes and seconds, average, count, 1.25×/1.5×/2× watch time
- Precision
- Seconds with decimals are kept; totals are shown to the second
- Cost and privacy
- Free, no sign-up; runs in your browser
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Questions about the Video Duration Calculator
How do I add up the lengths of several videos?
Which time formats can I type?
Can it read the length from my video files?
How long will a playlist take at 1.5× speed?
Can I convert the total to frames or timecode?
Link to this tool
Found it useful? Paste this into your blog, docs or resource page so others can find it.