Song Length Calculator (Bars to Seconds)

Turn a bar count and tempo into an exact duration — handy for arranging to a target length, timing loops, or fitting music to picture.

Song Length Calculator

total duration

Duration = bars × beats per bar × (60 ÷ BPM). Handy for arranging to a target length, timing loops, or fitting a cue to picture.

How it works

Duration is bars × beats per bar × (60 ÷ BPM). Set your tempo, time signature and number of bars to get the total in minutes, seconds and raw seconds.

FAQ

How many bars is a 3-minute song?

At 120 BPM in 4/4, three minutes is 90 bars. Use the calculator to plan any tempo and length.

Does the time signature matter?

Yes — more beats per bar means each bar lasts longer, so set the correct top number of your time signature.

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