Online Guitar Tuner

We can say it is the "suggested", "universal" or standard guitar tuning. The strings are tuned up in e, B, G, D, A, E from the first string (the thinnest) to the sixth one (the thickest). ). Notice that the intervals between one string to the following one is exactly a fourth, except for the major third between the second and the third strings - a particular variation on this special pattern.