121 BPM in numbers
| One beat (quarter note) | 495.9 ms |
| Eighth note | 247.9 ms |
| Dotted eighth | 371.9 ms |
| Sixteenth note | 124 ms |
| One bar of 4/4 | 1.98 s |
| Beats per second | 2.02 |
| Bars of 4/4 in one minute | 30.25 |
The classical tempo marking for 121 BPM is Allegro (see the tempo markings chart). 121 BPM is a common tempo for pop, disco and funk and house. Felt in half-time it's 60 BPM, the pace of ballads and slow R&B.
As a heart rate, 121 BPM is typical during exercise, but above the normal adult resting range of 60 to 100. A resting pulse this high is worth checking with a doctor. To measure your own, use the heart rate counter.
Every delay length at 121 BPM, including triplets, is in the BPM to ms calculator. Not sure your song is really at 121? Tap along to check.