Language
Pie Chart of Morse Code Symbol Lengths for English Letters
Last reviewed on 2026-05-22.
Language — verifiable data, editable template
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Morse code uses dot and dash combinations of 1 to 4 symbols per English letter. Letter assignment was designed to give frequent letters shorter codes — E is one dot, T is one dash.
The data
- 1 symbol (E, T) — 2 letters
- 2 symbols — 4 letters
- 3 symbols — 8 letters
- 4 symbols — 12 letters
Source
International Morse code standard (ITU).
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