Questions
How fast is 149 BPM?
149 BPM means 149 beats every minute, so one beat lasts about 403 milliseconds. In 4/4 time a full bar takes about 1.6 seconds. Fast. At this speed most players start counting in bars rather than single beats.
What tempo marking is 149 BPM?
149 BPM falls in the Allegro range (fast, cheerful). Tempo marking ranges vary slightly between sources, so treat this as approximate.
How do I practise a piece at 149 BPM?
Start at roughly half speed (around 75 BPM) until the passage is accurate, then raise the tempo about 5 BPM at a time. Only move up when you can play it cleanly twice in a row.
Is this metronome free?
Yes. It runs in your browser with no sign-up and no download, and you can change the sound and time signature.
Tempo marking ranges are approximate and vary between editions and traditions.
Timings are exact arithmetic from the beats-per-minute value.