Duration Calculator

4 Bars at 128 BPM

Calculate the exact duration of 4 bars at 128 beats per minute.

4 bars × 4 beats × (60 ÷ 128) seconds per beat

7.500s

7.500 seconds

All Bar Lengths at 128 BPM

Quick reference for common section lengths

BarsDurationSeconds
1 bars1.875s1.88s
2 bars3.750s3.75s
4 bars(current)7.500s7.50s
8 bars15.000s15.00s
16 bars30.000s30.00s
32 bars1:00.00060.00s
64 bars2:00.000120.00s
128 bars4:00.000240.00s

Related Pages

Other bar lengths at 128 BPM:

8 bars16 bars32 bars64 bars128 bars

More tools:

View 128 BPM ReferenceInteractive Calculator

About This Calculation

At 128 BPM with a 4/4 time signature, each beat lasts 0.4688 seconds. Since there are 4 beats per bar, each bar is 1.8750 seconds long.

Therefore, 4 bars = 4 × 1.8750 = 7.5000 seconds, or approximately 7.500s.

Common Uses for 4 Bars

  • Short transition or fill
  • Loop length for sampling and production
  • DJ mixing cue point reference