What Is a Metronome? A Beginner's Guide
A metronome keeps a steady beat to help you play in time. Here is what it does, what BPM means and how to use one.
What a metronome does
A metronome is a tool that produces a steady, even pulse at a tempo you choose. Musicians practice with it to build solid timing — playing exactly with the click trains you to keep a consistent beat instead of speeding up in easy passages and slowing down in hard ones.
Traditional metronomes were wind-up devices with a swinging pendulum. An online metronome does the same job in your browser, with extra features like accents, subdivisions and time signatures built in.
BPM explained
Tempo is measured in beats per minute (BPM). At 60 BPM the metronome clicks once per second; at 120 BPM it clicks twice per second. A higher BPM means a faster tempo.
Most music sits between roughly 40 and 220 BPM. If you do not know a song's tempo, you can tap it out: use Tap Tempo and tap along with the music, and the metronome works out the BPM for you.
How to use an online metronome
Set the tempo with the slider or the +/- buttons, choose a time signature (4/4 is the most common), and press play. The accented first beat helps you feel where each bar begins.
As you improve, add subdivisions to hear the space between beats, or use the tempo trainer to speed up gradually while you practice.
Why practice with one
Steady timing is one of the most valued skills in any ensemble. Practicing with a metronome exposes the spots where you rush or drag, makes your playing tighter, and helps you build speed safely by increasing the tempo in small steps.