More beginners quit because of tuning problems than for any other reason. Not because tuning is hard — it isn't. But because nobody told them clearly enough how important it is, or exactly how to do it.
Here's the situation I encounter constantly. A student picks up their ukulele, places their fingers on their first chord, strums — and it sounds wrong. They adjust their fingers. It still sounds wrong. They try a different chord. That sounds wrong too. Within twenty minutes, they've concluded that they can't do this.
The ukulele was out of tune. That's it. That's the entire problem.
The chord was fine. The fingers were fine. The student was fine. But nobody had told them clearly enough that tuning before every single session is not optional — it's the most important thing you do before you play a single note. And nobody had shown them exactly how.
This guide fixes that. It covers standard ukulele tuning, exactly how to tune using a free app, what to do when the strings won't hold their tuning, and why this habit — built early — changes the entire learning experience.
Standard Ukulele Tuning: G–C–E–A
Standard ukulele tuning uses four notes, one per string. From the string closest to you (top string, when holding the ukulele in playing position) to the string furthest away (bottom string):
A memory aid that works: Good Children Eat Apples — G, C, E, A. Simple, and it sticks.
About the high G: The G string on a soprano ukulele is tuned higher than middle C, which means it sits above the C string in pitch rather than below it. This surprises many beginners who expect strings to go from low to high. The re-entrant G is part of what makes ukulele sound like ukulele — embrace it rather than trying to change it.
How to Tune Using a Free App — Step by Step
The easiest, most reliable way to tune a ukulele as a beginner is with a free tuner app on your phone. Not a guitar tuner — a ukulele tuner, or a chromatic tuner set to ukulele mode. The app listens to each string and tells you whether it's too high (sharp), too low (flat), or exactly right (in tune).
Step 1 — Download the right app
GuitarTuna is the most widely used and works well for ukulele (select "Ukulele" in the instrument settings). Alternatively, any chromatic tuner app — one that detects individual notes rather than being preset for a specific instrument — will work. These are free and widely available on both iOS and Android.
Step 2 — Find a quiet space
Tuner apps use your phone's microphone to detect pitch. Background noise — TV, music, other people talking — interferes with the reading. Tune in a reasonably quiet space, with your phone close to the ukulele's soundhole (the round hole in the body of the instrument).
Step 3 — Pluck each string individually
Pluck the G string (top string, closest to you) and watch the app's display. It will show you the note it's detecting and whether the pitch is sharp (too high), flat (too low), or in tune. Most apps show a needle or arrow that moves left for flat and right for sharp — you want it centred.
Step 4 — Turn the tuning pegs to adjust
The tuning pegs are the small knobs at the top of the ukulele neck (the headstock). Each peg controls one string. Turning a peg tightens the string (raises the pitch) or loosens it (lowers the pitch). The direction depends on your specific ukulele — turn slowly and watch the app to see which direction is raising or lowering the pitch.
Important: Turn the peg slowly, in small increments. It's easy to overshoot. Pluck the string, adjust a little, pluck again, adjust again. Work gradually toward the centre of the app's display.
Step 5 — Tune all four strings, then check again
After tuning all four strings, go back and check each one again. Adjusting one string can affect the tension on the others, slightly shifting their pitch. Two passes through all four strings is usually enough to get everything stable.
Step 6 — Tune before every session
This is not optional. Not once a day if you play twice. Not once a week. Every single time you pick up the ukulele. New strings especially go flat quickly. The habit of tuning before every session is the single most important thing you can do for your early learning experience.
Why Your Ukulele Keeps Going Out of Tune — And When It Stops
This is the question I receive most often from beginners in their first two weeks: "I tune it, and then five minutes later it sounds wrong again. Is something broken?"
Nothing is broken. Here's what's actually happening.
New strings stretch
When a ukulele leaves the factory or a shop, its strings are relatively new and haven't been played much. Strings are made of nylon, which stretches under tension — and new strings stretch significantly more than strings that have been played for several weeks.
As you play, the strings stretch slightly. As they stretch, the tension decreases and the pitch drops. This is why a ukulele that was perfectly in tune at the start of a session sounds flat by the end. It's not the tuning pegs slipping (usually). It's the strings settling.
This is completely normal and temporary
After approximately two to three weeks of regular playing, the strings will have stretched to their stable length and will hold their tuning much better. The tuning stability improves noticeably during this period. By the end of your first month, you'll be retuning much less frequently.
How to speed up the settling process
You can gently stretch new strings by hand to accelerate the settling. After tuning, hold the ukulele body in one hand and gently pull each string upward away from the fretboard with a finger of your other hand — not hard enough to risk breaking, but enough to feel the stretch. Then retune. Repeat this a few times per session for the first week, and your strings will settle faster.
If your ukulele keeps going out of tune after the first month: The issue is likely the tuning pegs rather than the strings. Friction tuners (the most common type on beginner ukuleles) can slip if they're not tight enough. Some ukuleles have an adjustment screw on the peg — tightening it slightly can improve stability. If the pegs are genuinely faulty, a music shop can replace them inexpensively.
Alternative Tuning Methods
The app method I've described is the best starting point for beginners — it's accurate, free, and requires no prior musical training. But there are other methods worth knowing about as you develop.
Clip-on tuner
A clip-on tuner attaches to the headstock of your ukulele and detects pitch through vibration rather than sound. This means it works in noisy environments where a microphone-based app would struggle. Clip-on tuners cost between £10-20 and are a worthwhile investment once you're playing regularly. They're also faster to use mid-session than unlocking your phone.
Tuning by ear — for later
Once you've been playing for several months, you'll develop enough of an ear to hear when a string sounds right or wrong. Experienced players often tune by ear by matching each string to a reference note — a piano, another tuned instrument, or a reference track. This is a skill that develops naturally with time and isn't something to worry about as a beginner.
Online ukulele tuners
Several websites offer browser-based ukulele tuners that play the correct pitch for each string through your speakers — you then tune by ear, adjusting each string until it matches the sound from your speakers. These work reasonably well but are less accurate than a microphone-based app for beginners who haven't yet developed their ear.
I tell every student the same thing in their first session: tune before you play, every time, without exception. This one habit prevents more discouragement than anything else I could teach them. A tuned ukulele sounds good. An out-of-tune ukulele makes you feel like you can't play — even when you can.
— Charles, EasyUke founder
Tuning and Your First Chords — How They Connect
Once your ukulele is in tune, the experience of learning your first chords changes completely. A chord that sounds wrong on an out-of-tune ukulele sounds right on a tuned one — and that difference is the difference between "I can't do this" and "I can actually do this."
The four core beginner chords — C, Am, F, and G — which I cover in complete detail in my guide to ukulele chords for beginners — all depend on accurate tuning to sound correct. No amount of precise finger placement compensates for strings that are out of tune. Get the tuning right first, and the chords follow naturally.
If you're just starting out and want a structured day-by-day plan for your first week — including when to tune, what to practice, and in what order — you can find it in my complete first-week learning guide.
Common Tuning Questions
"I followed the course over two days. I had never touched an instrument in my life. By the end, I could play 2 songs without any problem. And I'm 66 years old. The tuning module was the first thing — and once I understood it, everything else made sense."
Anonymous student · 66 years old"I went back and watched the module for tuning my ukulele — and it really is quite simple. The videos are genuinely top quality."
Jean-Louis G.The Simple Summary
Tuning a ukulele is not complicated. The four strings are G–C–E–A. A free app detects the pitch of each string and tells you whether to tighten or loosen the peg. Tune before every session. New strings take a few weeks to settle — this is normal.
That's it. Everything else follows from there.
If you want to know what to do once your ukulele is in tune — including exactly which chords to learn first and in what order — my complete guide to beginner ukulele chords covers everything you need. And if you want a structured plan for your entire first week, including when to tune and what to practice each day, it's all in my first-week learning guide.
If you prefer learning in French, the same approach — including a dedicated tuning module — is available at L'École du Ukulélé.
Ready to start playing — properly tuned, from day one?
The EasyUke bundle includes a quality soprano ukulele that holds its tuning, plus a complete step-by-step video course that starts with tuning and takes you all the way to your first full song.
Discover the EasyUke Bundle →Charles has taught hundreds of adult beginners to play ukulele from scratch. He runs EasyUke and L'École du Ukulélé, and teaches in-person courses each summer. His teaching philosophy: the right instrument, the right method, and the belief that it's never too late.
