How to Tune a Guitar in Standard E (440 Hz)

A guitar that isn’t tuned properly will always sound off – no matter how good your technique is. It also kills your ear training and makes it impossible to play tightly with other musicians. In this lesson you’ll learn how to tune your guitar in standard E-tuning (E–A–D–G–B–E) at 440 Hz, understand why temperature affects tuning, and follow a clear step-by-step routine you can use before every rehearsal or gig.

Why Proper Guitar Tuning Matters

When several instruments are tuned differently, chords sound muddy, melodies clash and your timing feels worse than it actually is. Playing on an out-of-tune guitar:

slows down the development of your musical ear
makes rehearsals frustrating for you and your bandmates
gives the audience the feeling that “something is wrong”, even if they can’t explain why

Short version: if you don’t want to scare the neighbours, your roommates or the public, make tuning your first habit every time you pick up the guitar.

Temperature and Guitar Tuning: Tips for Performances

Even a small temperature change can affect your tuning. If it’s a few degrees warmer in the rehearsal room or on stage than at home, your guitar will need to be re-tuned.

When you’re about to perform, place your guitar on stage 30–60 minutes before the show so it can acclimatise. Stage lights and a packed room make the temperature there much higher than in the dressing room. If you tune your guitar while it’s still “cold” backstage and then walk onto a hot stage, it will drift out of tune within a minute.

How Playing Affects Tuning

Not only the room temperature but also your playing detunes the guitar. Bending, vibrato and heavy use of the tremolo/whammy bar stretch the strings and slowly change their tension. For example, in a Pink Floyd–style solo with big 2–2.5 tone bends, you’ll notice the tuning slipping faster than in a rhythm-guitar part.

String Names in Standard E-Tuning

In standard E-tuning for 6-string guitar, the open strings from thickest to thinnest are:

E (6th string)
A (5th)
D (4th)
G (3rd)
B (2nd)
E (1st)

Memorise these names – you’ll see them on your tuner display all the time.

Understanding 440 Hz Tuning

In Western music the reference pitch is A = 440 Hz. Many tuners allow you to change this value between roughly 435 and 445 Hz. If your tuner is set to another frequency (e.g. 435 Hz), your guitar will technically be “in tune with itself”, but not with recordings or other instruments that use 440 Hz.

So before tuning, always check that your tuner is set to 440 Hz. Many beginners feel their guitar sounds strange after tuning, while the real problem is simply the wrong Hz-setting.

Step-by-Step: How to Tune Your Guitar

Start with the low E-string (6th)
Pluck the string once and let it ring. Watch the tuner until it clearly reads E. Use the neck pickup if the tuner reacts better to that signal.
Read the Tuner Display
- Pointer or LED to the left / often D♯ or E♭ = string is too low → tighten the tuner.
- Pointer or LED to the right / often F = string is too high → loosen the tuner.
Fine-tune Slowly
Turn the tuning key in small movements. Overshooting back and forth makes the tuning unstable. Let the note ring and adjust while the sound sustains – that’s when the tuner is most accurate.
Repeat for All Strings
Tune A, D, G, B and high E using the same method. When you’ve tuned all six strings, play a few open chords (E, G, D, A) and check again – sometimes one or two strings will need a tiny correction.

Tips for Perfect Guitar Tuning

Adjust slowly – small turns of the tuning key are enough.
Stretch the strings – after tuning, gently pull each string up a few centimetres and let it snap back, then re-check the tuning. This helps new or freshly bent strings stay stable.
Tune more than once – especially on a new string set, tune the guitar several times in a row; the neck and strings need time to settle.
Check before every session – make a habit of tuning before you start practising, recording or rehearsing, even if you only played yesterday.

Tuning might feel slow and frustrating at first, but with regular practice you’ll be able to tune a guitar accurately in under a minute – and your playing will instantly sound tighter and more professional.

Take Your Guitar Playing To The Next Level!

If you like clear, practical guitar and music coaching instead of random YouTube tips, you need structure. My guitar books and coaching programs give you that structure, so you can finally make real progress and level up your playing.