Viola Tuner – Free Online Viola Tuner With Microphone
Microphone tunerReady
Play each target note through your speakers.
- Quiet room, one string at a time
- Tune up to the note
- ±5 cents counts as in tune
- Runs inside your browser
- No upload, no account
- Nothing saved after you close
Online viola tuner with microphone
Allow microphone access, play one string at a time and follow the needle until it centres. Tune C3, G3, D4 and A4.
Viola string notes
C3 130.81 Hz, G3 196 Hz, D4 293.66 Hz, A4 440 Hz, a fifth below the violin.
Tuning with a microphone tuner
The tuner detects pitch from the waveform’s repeating period, shows the nearest target string and how many cents away you are.
How to Use the
Viola Tuner
- 01
Quiet
reduce background noise.
- 02
Allow
press Start Tuner and allow the microphone.
- 03
Pluck
play one string and let it ring.
- 04
Adjust
tighten if the needle is left (flat), loosen if right (sharp) until centred.
Viola string notes
C3 130.81 Hz, G3 196 Hz, D4 293.66 Hz, A4 440 Hz, a fifth below the violin.
Tuning with a microphone tuner
The tuner detects pitch from the waveform’s repeating period, shows the nearest target string and how many cents away you are. ±5 cents counts as in tune.
Troubleshooting the tuner
Mic allowed but nothing happens
Choose the correct input in your OS, move closer, and play louder single notes.
Other instruments
See all tuners on the tuners page.
Related guides and fixes
Learn more in these guides: How to tune a guitar, What note am I singing, Microphone not working.
Fine tuners
Do I need fine tuners?
They make small adjustments easy, especially on the A string with steel strings.
Viola vs violin
Difference between violin and viola
The viola is larger, tuned a fifth lower (C G D A) and reads alto clef.
Frequently Asked Questions
Q.Why does the needle jump?
Pluck one string at a time and mute others.
Q.Do I need a clip-on tuner?
No, a mic works in a quiet room.
Q.What is a cent?
One hundredth of a semitone.