GuitarTuner.online

4-String Banjo tuner — Plectrum (CGBD)

C-G-B-D · Alternative

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Microphone off
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This free online tuner listens through your microphone and shows how close each string of your 4-String Banjo is to Plectrum (CGBD) tuning (C-G-B-D). Play a string, watch the needle, and turn the peg until the meter glows green. If you prefer tuning by ear, tap any string card to hear its reference tone.

Other 4-String Banjo tunings

Standard

Tenor Standard (CGDA) C-G-D-A

Alternative

Irish Tenor (GDAE) G-D-A-EPlectrum (CGBD) C-G-B-DChicago (DGBE) D-G-B-E

Chords for this tuning

CGDAEFAll 4-String Banjo chords →
How do I tune my 4-String Banjo to Plectrum (CGBD)?

Allow microphone access, pluck a string, and the tuner will detect it automatically. The needle shows whether the string is flat or sharp — adjust until the reading is within ±5 cents (C-G-B-D).

Which notes are used in Plectrum (CGBD) tuning?

Plectrum (CGBD) tuning for 4-String Banjo uses the notes C-G-B-D, listed from the lowest string to the highest.

Can I tune without a microphone?

Yes. Every string card plays a reference tone — tap it and match your string to the sound by ear.