Karaoke Key Change Calculator
Song Key Change
Transpose a song to a new key and see how it affects the vocal range
Find Best Key for Your Range
Find the optimal key based on your comfortable vocal range
Voice Type Reference
Find your voice type based on your comfortable range
Formula
New Key = (Original Key + Semitones) mod 12 | All notes in the song shift by the same number of semitones | Range span stays constant when transposing
Frequently Asked Questions
How do I find the right karaoke key for my voice?
First, identify your comfortable vocal range (lowest and highest notes you can sing well). Then compare it to the song's range. If the song goes too high, transpose down. If too low, transpose up. Most karaoke machines let you adjust by semitones with +/- buttons.
How many semitones should I transpose?
Most singers transpose 1-4 semitones up or down. Going more than 5-6 semitones may make the song sound noticeably different. Try small adjustments first. Many karaoke apps let you preview the transposed key.
What are common vocal ranges?
Soprano: C4-C6. Mezzo-soprano: A3-A5. Alto: F3-F5. Tenor: C3-C5. Baritone: A2-A4. Bass: E2-E4. Most pop songs are written for a range of about 1.5 octaves (18 semitones).
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