Here is the open C tuning from low to high.
C | E | G | C | E | G
Here’s how tune your guitar in open C tuning from standard tuning.
- e – tune down two full steps
- B – tune down one and half steps
- G – tune up two and half steps
- D – tune up two and half steps
- A – tune down one and half steps
- E – tune down two full steps