What Is M in Morse Code?
The Morse code for M is --, a sequence of 0 dots and 2 dashes. In international Morse code (the ITU standard), each letter has a unique combination of dots (·) and dashes (−). M is two dashes, the partner of N (-.).
When you hear or read “morse code m”, “morse code for m”, “m morse code”, or “letter m in morse code”, the answer is always the same 2-signal pattern: --.
NATO Phonetic Word for M
In the NATO phonetic alphabet, the letter M is spoken as Mike. This pairing — Morse code -- with the spoken word Mike — is used by aviation, military, and amateur radio operators worldwide for unmistakable communication.
Practice: What Is the Morse Code for M?
Select the correct Morse code for M:
How to Tap Letter M in Morse Code
To transmit Letter M (--), use this sequence:
ITU Timing Rules
- Dot (·) = 1 unit
- Dash (−) = 3 units (3× longer)
- Signal gap = 1 unit
- Letter gap = 3 units
- Word gap = 7 units
Timing Reference Table
| Speed | Dot | Dash | Letter gap | Word gap |
|---|---|---|---|---|
| 5 wpm | 240ms | 720ms | 720ms | 1680ms |
| 10 wpm | 120ms | 360ms | 360ms | 840ms |
| 17 wpm (this page) | 70ms | 210ms | 210ms | 490ms |
| 20 wpm | 60ms | 180ms | 180ms | 420ms |
How to Remember Letter M in Morse Code
M is "MMMM" — two long dashes.
NATO phonetic word: Mike — pair the spoken word with the rhythm to remember faster.
Frequently Asked Questions — Letter M in Morse Code
M in Morse code is --. The letter M uses 0 dots and 2 dashes, the standard ITU pattern.
The Morse code for M is --. Tap the 2 signals in sequence with a one-unit gap between each.
To send letter M: long press, then long press. The NATO phonetic name for M is Mike.
-- means the letter M in international Morse code (the ITU standard used worldwide for amateur radio and communication).
The NATO phonetic alphabet word for M is Mike. It pairs with the Morse code -- for clear voice and signal communication.
Related Morse Code Letters
Other letters often learned alongside M: