Bass Fingerboard Diagram
Here's a look at how the names of notes lay out on top of the bass fretboard
Notes about the Bass Guitar Fingerboard:
The space between consecutive frets is called a half step. The
distance between a B and a C is a half step.
The space between two frets is called a whole step, and as you might
expect, two half steps equals a whole step. The
distance between an F and a G is a whole step.