Drop C Bass Tuning

Drop C tuning is C G C F, from string 4 to string 1. Tune each string with the online tuner below, or tap a string on the headstock to hear its note.

  • Free, no sign-up
  • 4 strings
  • Lowest note C1
  • Mic stays on your device
Drop C A4 440 Hz

Press Start tuning, then play a string

0/4 tuned

Drop C notes

A4 = 440 Hz
String Note Frequency
4 C1 32.70 Hz
3 G1 49.00 Hz
2 C2 65.41 Hz
1 F2 87.31 Hz

About Drop C tuning

Low string dropped to C for one-finger power chords.

  • Range: C1 (32.70 Hz) to F2 (87.31 Hz).

Intervals between strings

  • C → G perfect fifth
  • G → C perfect fourth
  • C → F perfect fourth

How to tune from Standard to Drop C

Lower every string a whole step, then lower string 4 a further whole step.

String Standard Drop C Change
4 E1 C1 Lower 4 semitones
3 A1 G1 Lower a whole step
2 D2 C2 Lower a whole step
1 G2 F2 Lower a whole step

Tuning this far down makes the low strings loose. Thicker strings (a heavier gauge) keep the tension, tone and tuning stable.

How to tune your bass to Drop C

  1. Start the tuner – Drop C Bass Tuning

    Start the tuner

    Press Start tuning and allow microphone access. The tuner is already set to Drop C.

  2. Play one string at a time – Drop C Bass Tuning

    Play one string at a time

    Let a string ring and watch the needle. Auto mode finds the closest string in Drop C tuning for you.

  3. Turn the peg until green – Drop C Bass Tuning

    Turn the peg until green

    Needle on the left means flat (too low), so tighten. Needle on the right means sharp (too high), so loosen. Green means the string is in tune.

Frequently asked questions

What are the notes of Drop C tuning?

From string 4 to string 1, Drop C tuning on the bass is C1, G1, C2, F2.

What are the string frequencies of Drop C tuning?

At the standard reference pitch of A4 = 440 Hz, the strings are tuned to C1 32.70 Hz, G1 49.00 Hz, C2 65.41 Hz, F2 87.31 Hz. If you change A4 in the tuner settings, every target changes too.

How do I get from Standard tuning to Drop C tuning?

Lower every string a whole step, then lower string 4 a further whole step. Tuning this far down makes the low strings loose. Thicker strings (a heavier gauge) keep the tension, tone and tuning stable.

Can I tune to Drop C tuning without a microphone?

Yes. Tap a string on the headstock to hear its note and match it by ear. You can also switch on Repeat to hear the note every few seconds while you turn the peg.

Similar tunings

All bass tunings