How do I convert BPM to seconds?

Divide 60 by the BPM for one beat: at 120 BPM a beat lasts 0.5 seconds. Multiply by the number of beats you need. A bar of 4/4 is four beats, so at 120 BPM a bar lasts 2 seconds.

How long are 4 beats at 130 BPM?

60 × 4 ÷ 130 = 24/13 of a second, about 1.846 seconds. That is one bar of 4/4.

How long are 42 bars at 128 BPM?

In 4/4, 42 bars are 168 beats, and 168 × 60 ÷ 128 = 78.75 seconds: 1 minute and 18.75 seconds.

How many seconds is 121 frames?

Divide by the frame rate: 121 frames is about 4.033 seconds at 30 fps, 5.042 seconds at 24 fps and 2.017 seconds at 60 fps.

How many video frames is one beat?

Multiply the beat's length by the frame rate: at 120 BPM and 30 fps a beat is 15 frames, so 4 beats are 60 frames.

Calculator

BPM to Seconds Calculator

One beat lasts 60 divided by the BPM, in seconds, and a bar of 4/4 lasts four beats. Ask the calculator below in plain words, such as 4 beats at 130 bpm in seconds, or read the table of common tempos.

You asked 4 beats at 130 bpm in seconds, read as 4 beats at 130 bpm in seconds

1.84615384615 s

exactly 24/13 s

Working

4 beats ÷ 130 bpm = 24/13 s

Try one

Ask in plain words

Type a question as you would say it: 8 bars at 140 bpm in seconds, or 4 beats at 120 bpm in frames at 30 fps.
Read the answer as an exact fraction and as a decimal, with each step of the working shown.
A bar counts four beats unless you name another time signature: 2 bars of 3/4 at 120 bpm in seconds is 3 seconds.

Common tempos in seconds

Bars are bars of 4/4. Seconds are rounded to three decimals; the calculator above gives the exact fraction.

BPM	1 beat	1 bar	4 bars	8 bars	Frames per beat at 30 fps
60	1 s	4 s	16 s	32 s	30
70	0.857 s	3.429 s	13.714 s	27.429 s	25.714
80	0.75 s	3 s	12 s	24 s	22.5
90	0.667 s	2.667 s	10.667 s	21.333 s	20
100	0.6 s	2.4 s	9.6 s	19.2 s	18
110	0.545 s	2.182 s	8.727 s	17.455 s	16.364
120	0.5 s	2 s	8 s	16 s	15
128	0.469 s	1.875 s	7.5 s	15 s	14.063
130	0.462 s	1.846 s	7.385 s	14.769 s	13.846
140	0.429 s	1.714 s	6.857 s	13.714 s	12.857
150	0.4 s	1.6 s	6.4 s	12.8 s	12
160	0.375 s	1.5 s	6 s	12 s	11.25
170	0.353 s	1.412 s	5.647 s	11.294 s	10.588
174	0.345 s	1.379 s	5.517 s	11.034 s	10.345
180	0.333 s	1.333 s	5.333 s	10.667 s	10

Questions

How do I convert BPM to seconds?: Divide 60 by the BPM for one beat: at 120 BPM a beat lasts 0.5 seconds. Multiply by the number of beats you need. A bar of 4/4 is four beats, so at 120 BPM a bar lasts 2 seconds.
How long are 4 beats at 130 BPM?: 60 × 4 ÷ 130 = 24/13 of a second, about 1.846 seconds. That is one bar of 4/4.
How long are 42 bars at 128 BPM?: In 4/4, 42 bars are 168 beats, and 168 × 60 ÷ 128 = 78.75 seconds: 1 minute and 18.75 seconds.
How many seconds is 121 frames?: Divide by the frame rate: 121 frames is about 4.033 seconds at 30 fps, 5.042 seconds at 24 fps and 2.017 seconds at 60 fps.
How many video frames is one beat?: Multiply the beat's length by the frame rate: at 120 BPM and 30 fps a beat is 15 frames, so 4 beats are 60 frames.

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