Learn › B Dominant 7 Chord on Guitar (B7)
New Released in April 2026
B Dominant 7 Chord on Guitar (B7)
The B dominant 7 chord on guitar (B7) uses the notes B, D#, F#, A. It is an open chord: some strings ring without fingers. Strum from the 5th string down. First the picture, then each finger, then three chords to practise B7 with.
No account, no download. The demo has limited content. Advanced features are in ChordRunner Premium.
- MIDI keyboard
- Digital or acoustic piano
- Guitar
- Computer, phone or tablet
The B dominant 7 guitar chord, finger by finger
Fingers and frets
- Middle: 5th string (A), fret 2
- Index: 4th string (D), fret 1
- Ring: 3rd string (G), fret 2
- Little: 1st string (high E), fret 2
Strings to play
x21202: × = do not play, 0 = open string.
Where B7 is used
B7 pulls towards E: play B7, then E, and you hear it land. It is the V7 chord of E major.
B7 string by string
| 5th string (A) | fret 2: B |
|---|---|
| 4th string (D) | fret 1: D# |
| 3rd string (G) | fret 2: A |
| 2nd string (B) | open: B |
| 1st string (high E) | fret 2: F# |
From B to B7: 4th string (D): fret 4 → fret 1; 3rd string (G): fret 4 → fret 2; 2nd string (B): fret 4 → open.
Slide this shape along the neck: fret 1 = Bb7, fret 3 = C7, fret 4 = C#7, fret 5 = D7.
Another way to play B7
Same chord, different place: handy when the next chord is up the neck too.
Play B7 in a game
Strum B7 near the microphone when it comes up in ChordRunner: the game checks all four notes, B, D#, F#, A, and moves on. MIDI keyboard or microphone, both work. MIDI keyboard or microphone, both work.
Play the demoCommon questions
Is B7 easy on guitar?
Yes, it is one of the open chords beginners learn first. Start slowly, check that every string rings, then practise switching to B.
What is the difference between B7 and B on guitar?
B7 adds one note to B: A, on top of B D# F#. From B to B7: 4th string (D): fret 4 → fret 1; 3rd string (G): fret 4 → fret 2; 2nd string (B): fret 4 → open.
Which fingers do I use for B7?
Middle finger: 5th string (A), fret 2, index finger: 4th string (D), fret 1, ring finger: 3rd string (G), fret 2, little finger: 1st string (high E), fret 2.
Does ChordRunner hear B7 on guitar?
Yes. Strum it near the phone or computer microphone and the game checks the four notes B, D#, F#, A. A USB MIDI keyboard works too.
Your instrument is the controller.
ChordRunner is a browser game that teaches piano and guitar chords: a chord appears on screen, you play it on a real instrument, and your runner jumps. MIDI keyboard or microphone, both work.
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