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Beats Per Bar Calculator
MusicCalculate note durations, beat length, and bar duration for any BPM and time signature.
ttb run beats-per-bar-calculator
Beat Duration
500.0ms
Bar Duration (4/4)
2.000s
Note Durations
| Note | Duration | Per Bar |
|---|---|---|
| Whole | 2.000s | ×1 |
| Half | 1.000s | ×2 |
| Quarter | 500.0ms | ×4 |
| Eighth | 250.0ms | ×8 |
| Sixteenth | 125.0ms | ×16 |
| Triplet (1/3 beat) | 333.3ms | ×6 |
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Beats Per Bar Calculator の使い方
Enter your BPM and select a time signature. Instantly see beat and bar durations, plus the duration of every common note value in milliseconds.
1
Set your BPM
Drag the slider or type a value between 40 and 300 BPM.
2
Choose time signature
Select from 4/4, 3/4, 6/8, 5/4, 7/8, 2/4, or 12/8.
3
Read the table
See whole, half, quarter, eighth, sixteenth, and triplet note durations in ms.
よくある質問
Why are note durations in milliseconds useful?+
DAWs, delay pedals, and sync plugins often require delay times in ms. This tool lets you match your effects to your tempo.
What is a triplet?+
A triplet divides one beat into three equal parts. The duration is (2 × beat duration) ÷ 3.