Morse code alphabet chart you can hear
Look up any letter, see its dit-dah pattern, tap to play the tone. This is a working chart — not a Wikipedia essay. Numbers and punctuation live on the punctuation page; full phrases go through the translator.
Alphabet quick reference
Click a letter to hear Morse · Digits & punctuation: punctuation chart
Click a letter to hear its Morse.
When to use
Memorizing A–Z; checking one letter while you study; showing a kid or classmate the pattern with sound; confirming a letter before a trainer unlock.
When not
Don’t treat this page as a history of telegraphy. For SOS as a distress prosign, use SOS. For spaced learning, use the trainer. For full messages, use the translator.
Assumptions
International Morse letters A–Z (digits and punctuation link out). American Railroad Morse is out of scope. Playback uses Web Audio after your first tap.
Examples
Input
Tap S
Result
Hear ...
Three dits — shortest multi-dit letter many people start with.
Input
Tap O
Result
Hear ---
Three dahs — pair with S for the SOS rhythm later.
Input
Scan C (-.-.) · play at 15 WPM vs 20 WPM
Result
Same pattern, tighter timing — ears learn speed, eyes learn shape
How it works
- Static ITU-style map in the pad — each cell shows the character and its Morse pattern.
- Tap a cell to schedule Web Audio tones for that character at the current WPM/pitch.
- Tap again (or wait) to stop — nothing is uploaded.
Letter gap = space · word gap = / · dit ms ≈ 1200 / WPM · tap → schedule that character’s elements
Gotchas
- Charts that mix American Morse will disagree on several letters — stick to International here.
- Reading the dots with your eyes is not the same skill as copying by ear — graduate to listen.
- “International Morse” search often wants this chart or a standards note, not a 2,000-word origin story.
- Pretty Unicode dots are fine to read; the translator prefers ASCII `.-` when pasting long strings.
Compare
How to use the chart
Tap any letter to hear its pattern. This is a working reference — not a telegraphy essay. When a character looks right on paper but doesn’t sound right, tap it twice: once to hear, once to stop.
Digits and punctuation have their own home on punctuation. Full phrases belong in the translator. Spaced learning belongs in the trainer.
International vs American charts
We use International Morse. Old railroad charts disagree on several letters — if a book fights this grid, check which alphabet it claims before you “fix” our tones.
Common questions
Direct answers — no synonym padding.
Related tools
Practice tool only — not a license exam, not emergency training certification. See Methodology and Terms.