Mandolin Tuner – Free Online Mandolin Tuner With Microphone

Microphone tuner
−50+50
–0 ¢– HzPlay a note

Ready

Reference tonesTune by ear

Play each target note through your speakers.

Good to knowTips
  • Quiet room, one string at a time
  • Tune up to the note
  • ±5 cents counts as in tune
PrivateStays on device
  • Runs inside your browser
  • No upload, no account
  • Nothing saved after you close

Online mandolin tuner with microphone

Allow microphone access, play one string at a time and follow the needle until it centres. Tune the four courses G3 D4 A4 E5, like a violin.

Mandolin tuning

Four pairs of strings tuned like a 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 test

How to Use the
Mandolin Tuner

  1. 01

    Quiet

    reduce background noise.

  2. 02

    Allow

    press Start Tuner and allow the microphone.

  3. 03

    Pluck

    play one string and let it ring.

  4. 04

    Adjust

    tighten if the needle is left (flat), loosen if right (sharp) until centred.

Mandolin tuning

Four pairs of strings tuned like a violin. Tune each pair to the same note, then check them together for beating.

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.

More about mandolins

Best mandolin for bluegrass

F-style and A-style carved-top mandolins with f-holes give the punchy “chop” bluegrass needs.

Other instruments to tune

See all tuners.

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.

Q.How is a mandolin tuned?

In pairs of strings G G, D D, A A, E E, the same notes as a violin.

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