Hello mandolinists,

check below our online tuner provided with instructions. Note, this tuning method requires atrained ear, nevertheless I recommend you try it, as you may find it a lot easier than expected!

I tested this tuner and managed to tune my mandolin in less than three minutes, and I believe that you could do it too.

If you do not need detailed instructions, you may prefer a shorter version of this post that can be found at the following link: Online Mandolin Tuner with Instructions.

Note the mandolin has string pairs, i.e. both strings should produce the same sound, but we only tune one string at a time. Let’s start!

Tuning the mandolin G strings

Press play on the online tuner below, to hear the G reference sound.

G Reference SoundMandolin tuner for G string

  • Strum one of the G strings (thickest pair), while you hear the tuner.
  • Tighten or loosen the corresponding G tuning peg, till you match the sound of the tuner.
Note: If you turn one G tuning peg and the sound does not change, stop turning to avoid breaking the string. You are possibly turning the wrong peg. Please try the other G peg!

G mandolin stringG mandolin tuning pegs

If you need more time, press play again on the online tuner above.

Please repeat for both G strings.

Tuning the mandolin D strings

Press play on the online tuner below, to hear the D reference sound.

D Reference Sound:  Mandolin tuner for D string

  • Strum one of the D strings depicted below, while you hear the tuner.
  • Tighten or loosen the corresponding D tuning peg depicted below, till you match the sound of the tuner.
Note: If you turn one D tuning peg and the sound does not change, stop turning to avoid breaking the string. You are possibly turning the wrong peg. Please try the other D peg!

Mandolin D tuning pegs

If you need more time, press play again on the online tuner above..

Please repeat for both D strings.

Tuning the mandolin A strings

Press play on the online tuner below, to hear the A reference sound.

A Reference Sound:  Mandolin tuner for A string

  • Strum one of the A strings depicted below, while you hear the tuner.
  • Tighten or loosen the corresponding A tuning peg depicted below, till you match the sound of the tuner.

Note: If you turn one A tuning peg and the sound does not change, stop turning to avoid breaking the string. You are possibly turning the wrong peg. Please try the other A peg!

Mandolin tuning A stringsMandolin tuning pegs A string

If you need more time, press play again on the online tuner above.

Please repeat for both A strings.

Tuning the mandolin E strings

Press play on the online tuner below to hear the E reference sound

E Reference Sound:  Mandolin tuner for E string

  • Strum one of the E strings (thinnest pair), while you hear the tuner.
  • Tighten or loosen the corresponding E tuning peg, till you match the sound of the tuner.

Note: If you turn one E tuning peg and the sound does not change, stop turning to avoid breaking the string. You are possibly turning the wrong peg. Please try the other E peg!

Mandolin tuning E stringsMandolin tuning pegs E string

If you need more time, press play again on the online tuner above.

Please repeat for both E strings.

More

If you have reached here, it probably means you have tuned your mandolin! I am so happy for you! Thank you so much for spending your time trying my online mandolin tuner and instructions.

Please leave me a message to inform me how much time it took you to tune your mandolin.

If you did not manage to tune it, also leave me a message describing your experience, and also check other posts below:

Cheers!