18 by 5 Seconds of Summer
18 by 5 Seconds of Summer is estimated around A3 to A5, based on 5 Seconds of Summer's typical range; song-level verification is pending. Measure your own range free to see how this song fits your voice.
Estimated from the artist’s full range, which likely spans multiple singers or harmonies; the lead melody is probably narrower. Verification pending.
Practice before you pick it.
We do not publish lyrics directly. Find a karaoke version on YouTube, then come back to compare the song against your Vocal ID.
Can I sing 18 at karaoke?
18 covers 24 semitones top to bottom, good for a top-1% placement among pop-punk songs HumMatch tracks.
Highest and lowest notes
The available song-fit estimate places the low note around A3 and the high note around A5. If either edge feels tense, try a different key.
Vocal style
A5 is 18's ceiling: out of a mezzo-soprano's comfort zone, but well within a soprano's.
Karaoke difficulty
18 is a more familiar karaoke pick than the typical pop-punk song HumMatch tracks (scores 35/100 vs. a median of 29).
Who it likely fits
That top-1%-widest span for pop-punk is a big part of why 18 scores 72/100 for karaoke difficulty.
Who may struggle
Dropping 4 semitones would bring 18's peak note inside a typical mezzo-soprano's comfortable range.
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Range Guide
18 is estimated around A3 to A5. Compare that with your Vocal ID before choosing the original key. If your comfortable high note is below the song’s hardest section, try a lower key or one of the safer alternatives below.
Perfect For These Voice Types
Works well as a duet, trading lines between two comfortable ranges.
Requires versatility, key awareness, and a comfortable upper edge.
Best For
Road Trip
Upbeat singalong
Practice
Build vocal strength
Duet Potential
Wide range split
Try Transposing Lower
If the chorus or highest phrase feels tight, shift the song down a few semitones before performing. Most karaoke apps let you adjust pitch.
Songs like 18 you can sing
Range labels come from HumMatch’s researched catalog. Take the free vocal range test to see your % on every one of these.
Easier alternatives
If it feels high, try a lower key or start with an easier song from the same artist or genre.
Song fit FAQ
HumMatch estimates 18 at A3 to A5 (about 24 semitones), based on 5 Seconds of Summer's typical performed range; song-level verification is pending. Compare it against your own Vocal ID and test the chorus first.
Across the 7 5 Seconds of Summer songs with researched vocal ranges on HumMatch, the sung notes run from F3 to D#6, about 34 semitones (roughly 2.8 octaves). See the full 5 Seconds of Summer vocal range guide for voice type and the hardest songs.
18 scores 72/100 for karaoke difficulty on HumMatch, which rates as higher-risk. 18 is a more familiar karaoke pick than the typical pop-punk song HumMatch tracks (scores 35/100 vs. a median of 29).
A5 is 18's ceiling: out of a mezzo-soprano's comfort zone, but well within a soprano's.
That top-1%-widest span for pop-punk is a big part of why 18 scores 72/100 for karaoke difficulty.
18 may work at karaoke if the original key sits comfortably for you and you know where the risky chorus or low phrases happen.
Hum 3 notes in HumMatch and compare your Vocal ID against 18, safer alternatives, and higher-risk picks.
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