BPM Calculator
Free BPM calculator with tap tempo feature. Convert BPM to milliseconds, calculate delay times for music production, and find note values for any tempo.
Tap Tempo
BPM
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Tap Count: 0
Press spacebar or tap button to the beat
BPM
ms
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Last updated: January 2026
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Frequently Asked Questions
What is BPM and why is it important in music?
BPM (Beats Per Minute) measures a song's tempo—how many beats occur in one minute. It's essential for DJs to match song speeds when mixing, for musicians to play at consistent speeds, and for music producers to sync effects and samples. Common BPM ranges: 60-70 (ballads), 100-130 (pop/rock), 120-130 (house), 140-160 (dubstep), 170+ (drum & bass).
How does tap tempo work?
Tap tempo lets you find a song's BPM by tapping along with the beat. Tap any key or button repeatedly in rhythm with the music, and the calculator measures the time between your taps to calculate the average tempo. For best results, tap at least 4-8 times consistently on the beat. Most accurate when tapping on quarter notes (the main pulse).
How do I calculate delay time from BPM?
To sync delay effects to your tempo, convert BPM to milliseconds: ms = 60,000 ÷ BPM. For example, at 120 BPM: 60,000 ÷ 120 = 500ms per quarter note. For eighth notes, divide by 2 (250ms). For dotted notes, multiply by 1.5. For triplets, multiply by 2/3. Setting delay times to these values makes echoes sync perfectly with your track's rhythm.
What do tempo markings like Allegro and Andante mean?
Tempo markings are Italian musical terms indicating speed: Largo (40-60 BPM) - very slow and broad; Adagio (66-76 BPM) - slow and expressive; Andante (76-108 BPM) - walking pace; Moderato (108-120 BPM) - moderate speed; Allegro (120-156 BPM) - fast and lively; Presto (168-200 BPM) - very fast. These help musicians interpret how a piece should feel.
What are triplets and dotted notes in timing calculations?
Triplets divide a beat into three equal parts instead of two, creating a 'swing' feel. A triplet eighth note is 2/3 the length of a regular eighth. Dotted notes are 1.5× longer than regular notes (adding half their value). At 120 BPM: regular quarter = 500ms, dotted quarter = 750ms, triplet quarter = 333ms. These variations create rhythmic interest in music and are crucial for delay/reverb timing.