Letters · ITU International Morse Code
Morse code for M is -- — 2 signals (0 dots, 2 dashes). NATO: Mike.
The letter M is one of the simplest patterns — two dashes. In international Morse code it is --: long press, then long press.
Whether you're learning for ham radio, aviation, survival, or personal interest — this page covers audio playback, visual display, timing guide, memory tip, and an interactive practice quiz.
Select the correct Morse code for M:
To transmit Letter M (--), use this sequence:
| Speed | Dot | Dash | Letter gap | Word gap |
|---|---|---|---|---|
| 5 wpm | 240ms | 720ms | 720ms | 1680ms |
| 10 wpm | 120ms | 360ms | 360ms | 840ms |
| 20 wpm | 60ms | 180ms | 180ms | 420ms |
M has two humps — two dashes: − −
The Morse code for Letter M is -- — 0 dots and 2 dashes. Transmitted as: long press, then long press.
To write Letter M in Morse code use --. A dot is a short signal and a dash is 3 times longer.
To tap Letter M: long press, then long press. Follow ITU timing: dot=1 unit, dash=3 units, gap between signals=1 unit, gap between letters=3 units.
In international Morse code, -- stands for the letter M (NATO: Mike). This is part of the ITU standard alphabet.
Most learners memorize Letter M (--) within minutes. Practice tip: M has two humps — two dashes: − −.
Characters with similar Morse patterns: