30 BPM in numbers
| One beat (quarter note) | 2000 ms |
| Eighth note | 1000 ms |
| Dotted eighth | 1500 ms |
| Sixteenth note | 500 ms |
| One bar of 4/4 | 8 s |
| Beats per second | 0.5 |
| Bars of 4/4 in one minute | 7.5 |
The classical tempo marking for 30 BPM is Grave (see the tempo markings chart). 30 BPM isn't the home tempo of any one big genre, which makes it a good practice tempo with no style attached. Counted in double-time it's 60 BPM, the pace of ballads and slow R&B.
As a heart rate, 30 BPM is very low for anyone awake; it needs a doctor's attention unless a doctor already knows about it. To measure your own, use the heart rate counter.
Every delay length at 30 BPM, including triplets, is in the BPM to ms calculator. Not sure your song is really at 30? Tap along to check.