Shown like notation
Free / No account / Ready in your browser
Enter rhythms from notation,
then play them back.
Pick notes and rests, line them up, and listen right away.
Practice tricky rhythms as many times as you need.
Enter notes and rests
Play it back
Loop only the rhythm you want to practice.
Isolate a tricky phrase and check it again and again.
Three simple steps
No account required. Start right away.
1
Enter notes
Build a rhythm with notes and rests
2
Check the score
See your rhythm update in real time
3
Play and practice
Adjust the tempo and repeat
Main features
Everything you need for focused rhythm practice
Score display
Your input appears as notation
Audio playback
Hear the rhythm with click sounds
Tempo control
Change BPM freely
Loop playback
Useful for repeated practice
Count-in
A count before playback starts
Share links
Save and share your rhythm
Save your rhythm with a link.
Your rhythm is stored in the link, so sharing and bookmarking are simple.
Create
Copy link
Share or save
rhythm-calculator.colour-field.jp/app?r=4n8n8n4r...
No account Easy to send Opens instantly
Updates
2025/2/5 Published the privacy policy
2025/1/28 Moved to colour-field.jp
2021/8/28 Added triplet support
2020/5/28 Released the stable version
2020/6+ Paused while developing another service
2019/5/19 Published the beta version
Free to use
All features free No account Desktop / mobile
FAQ
Is it really free?
Yes. No account is required, and you can use it directly in your browser.
Can I use it on a phone?
Yes. It works on both desktop and mobile browsers without installation.
Can I save the rhythm I made?
Yes. You can save or share a rhythm with a link.
What note values are supported?
Half, quarter, eighth, and sixteenth notes and rests are supported, along with dotted notes, ties, and triplets.
Is it friendly for beginners?
Yes. You enter notes like a score and play them back, so it is useful for rhythm checks and basic practice.
Start practicing rhythm today
Free, no account required, and ready in your browser.
Open Rhythm Calculator