What Is D in Morse Code?
The Morse code for D is -.., a sequence of 2 dots and 1 dash. In international Morse code (the ITU standard), each letter has a unique combination of dots (·) and dashes (−). D is the reverse of U (..-).
When you hear or read “morse code d”, “morse code for d”, “d morse code”, or “letter d in morse code”, the answer is always the same 3-signal pattern: -...
NATO Phonetic Word for D
In the NATO phonetic alphabet, the letter D is spoken as Delta. This pairing — Morse code -.. with the spoken word Delta — is used by aviation, military, and amateur radio operators worldwide for unmistakable communication.
Practice: What Is the Morse Code for D?
Select the correct Morse code for D:
How to Tap Letter D in Morse Code
To transmit Letter D (-..), 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 D in Morse Code
D for "DOG-did-it" — DAH-di-dit.
NATO phonetic word: Delta — pair the spoken word with the rhythm to remember faster.
Frequently Asked Questions — Letter D in Morse Code
D in Morse code is -... The letter D uses 2 dots and 1 dash, the standard ITU pattern.
The Morse code for D is -... Tap the 3 signals in sequence with a one-unit gap between each.
To send letter D: long press, then short press, then short press. The NATO phonetic name for D is Delta.
-.. means the letter D in international Morse code (the ITU standard used worldwide for amateur radio and communication).
The NATO phonetic alphabet word for D is Delta. It pairs with the Morse code -.. for clear voice and signal communication.
Related Morse Code Letters
Other letters often learned alongside D: