Music Duration Calculator — Playlist & Song Section Length
Two modes: enter the number of tracks and average track length to get total playlist or setlist duration, or enter the number of bars, tempo in BPM, and time signature to find the exact duration of any song section.
Mode
42m 00s
- 1
Track length (seconds)
3 × 60 + 30 = 210 - 2
Total duration (seconds)
12 × 210 = 2,520
How does this calculator work?
Playlist mode: total = track count × average track length. Song-section mode: duration (s) = bars × beats per bar × (60 ÷ BPM). A 32-bar chorus at 120 BPM in 4/4 = 32 × 4 × 0.5 = 64 seconds. Enter tracks and lengths, or bars, BPM, and time signature to get total time in h:mm:ss.
Formula
How this is calculated
In playlist mode the calculator multiplies the number of tracks by the average track length to give the total running time. This is useful for planning setlists, DJ sets, podcast compilations, or album running times. The average length is entered as minutes + seconds to avoid ambiguity.
In song-section mode the calculation works from musical structure. A beat lasts 60 ÷ BPM seconds (e.g., at 120 BPM a beat = 0.5 s). A bar (measure) contains a fixed number of beats determined by the time signature numerator — four beats in 4/4, three in 3/4, and so on. Multiplying bars × beats per bar × beat duration gives the section length in seconds.
Time signatures here represent beats per bar: 4/4 = 4 beats, 3/4 = 3 beats, 6/8 = 6 eighth-note beats (treated as 6 beats at the eighth-note level). For compound signatures like 6/8 where the pulse is felt in 2 groups of 3, use the actual note count per bar rather than the felt pulse if you want the mathematically exact duration.
Frequently asked questions
Switch to "Song section" mode, set bars = 32, BPM = 128, time signature = 4/4. Each beat = 60 ÷ 128 = 0.469 s; each bar = 4 × 0.469 = 1.875 s; 32 bars = 32 × 1.875 = 60 s exactly. So a 32-bar chorus at 128 BPM in 4/4 lasts one minute.
A standard club or support-act set runs 30–45 minutes; a headline show typically 75–120 minutes including encores. At an average track length of 3:30–4:00 min, that corresponds to roughly 20–30 songs for a headline set. Use playlist mode to plan exactly how many songs fit your allotted time.
No — the calculator assumes a constant tempo throughout. For pieces with tempo changes, calculate each section separately at its own BPM and add the durations together. Ritardandos, fermatas, and rubato cannot be captured with a fixed-BPM formula.
Also known as
TG we-Calculate Editorial Team. (2026). Music Duration Calculator — Playlist & Song Section Length [Online calculator]. TG we-Calculate. https://we-calculate.com/calculator/music-duration-calculator
TG we-Calculate Editorial Team. "Music Duration Calculator — Playlist & Song Section Length." TG we-Calculate. 2026. https://we-calculate.com/calculator/music-duration-calculator.
TG we-Calculate Editorial Team, "Music Duration Calculator — Playlist & Song Section Length," TG we-Calculate, 2026. [Online]. Available: https://we-calculate.com/calculator/music-duration-calculator
@misc{wecalculate_music_duration_calculator, title = {Music Duration Calculator — Playlist & Song Section Length}, author = {{TG we-Calculate Editorial Team}}, howpublished = {\url{https://we-calculate.com/calculator/music-duration-calculator}}, year = {2026}, note = {TG we-Calculate} }
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