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Song Length Calculator

Set the tempo, the time signature and the bars of each section.

Song length calculator

Set the tempo, the time signature and the bars of each section. It's worked out in your browser; nothing is stored.

Time signature

One bar lasts 2 s.

Sections

  • 0:08 · starts at 0:00
  • 0:32 · starts at 0:08
  • 0:16 · starts at 0:40
  • 0:32 · starts at 0:56
  • 0:16 · starts at 1:28
  • 0:16 · starts at 1:44
  • 0:16 · starts at 2:00
  • 0:08 · starts at 2:16

2:24 in total, 72 bars

  • At 30 seconds, when Spotify starts counting the stream, the listener is in the verse, bar 12.
  • 3:00 at 120 BPM is 90 bars.

seconds = bars × beats per bar × 60 ÷ BPM. In 6/8 the eighth note counts as the beat. Timestamps take the grid as starting at 0.

The guide behind it

Releasing music · 5 min read

Song Length Calculator: BPM, Bars and Average Song Length

Work out a song's length from BPM and bars with a free calculator (sections, timestamps, Spotify's 30-second mark), plus 2025's average hit length: 3:24.

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