Morse Code Letter

X in Morse Code — −··−

−··−
Pronounced: dah-di-di-dah
NATO Phonetic: X-ray

What is X in Morse Code?

The letter X in Morse code is dash-dot-dot-dash (− · · −). Like P, it is a palindrome — reading the same forwards and backwards — giving it a distinctive symmetrical sound.

In International Morse Code, the letter X is encoded as −··− — consisting of 2 dots and 2 dashes. The total transmission length is 11 time units. In the NATO phonetic alphabet, X is represented by the word "X-ray" to avoid miscommunication over radio.

−··−
Morse Code
0.15%
English Frequency
#24
of 26 Letters
11
Time Units

How to Transmit X in Morse Code

To transmit the letter X (−··−) in Morse code, follow these steps:

  1. Send a long signal (dash) — 3 time units then pause for 1 unit
  2. Send a short signal (dot) — 1 time unit then pause for 1 unit
  3. Send a short signal (dot) — 1 time unit then pause for 1 unit
  4. Send a long signal (dash) — 3 time units

At 20 WPM (words per minute), one time unit equals 60 milliseconds. So the letter X takes approximately 660ms to transmit at this speed.

Visual Signal Pattern

■ Short = Dot (1 unit) ■■■ Long = Dash (3 units) Gap = 1 unit silence

Mnemonic: How to Remember X in Morse Code

X marks the spot with symmetry: dah-di-di-dah. Strong ends with a soft middle — like the X shape itself which is symmetric.

X = −··− = "dah-di-di-dah"

Example Words with X in Morse Code

Here are common words containing the letter X, with their complete Morse code breakdown:

EXTRA =
E:· X:−··− T:− R:·−· A:·−
X-RAY =
X:−··− -:−····− R:·−· A:·− Y:−·−−
XMAS =
X:−··− M:−− A:·− S:···
EXACT =
E:· X:−··− A:·− C:−·−· T:−

Interesting Fact About X in Morse Code

X (− · · −) is one of only a few palindromic Morse code characters. Its symmetrical pattern makes it one of the more elegant codes. In radio communication, X is rarely used in regular text but appears in call signs and abbreviations.

Letter X Frequency in English

The letter X appears in approximately 0.15% of English text, making it the #24 most common letter out of 26.

X is relatively rare in English text. Despite its lower frequency, knowing its Morse code is important for complete alphabet mastery and for decoding words that contain it.

Frequency:
0.15%

Common English Words Starting with X

Practice encoding these common words that begin with the letter X:

EXTRA X-RAY XMAS EXACT EXAM EXIT SIX

Letters Similar to X in Morse Code

These letters have Morse code patterns related to X — knowing them helps avoid confusion:

Complete Guide to X (−··−) in Morse Code

The Morse code representation for the letter X is −··−, which is vocalized as "dah-di-di-dah". This encoding is part of the International Morse Code standard adopted in 1865 and still in use worldwide today.

When transmitting X by sound, the dots should be short, crisp signals and the dashes should last exactly three times the duration of a dot. Proper timing between elements (1 unit of silence) is crucial for the receiver to correctly decode the letter.

In practical use, the letter X can be transmitted using various methods: a telegraph key, a radio transmitter, a flashlight (short flash = dot, long flash = dash), a whistle, or even by tapping. The medium doesn't matter — only the relative timing between short and long signals.

For amateur radio operators using CW (Continuous Wave) mode, the letter X is one of the less common characters, but still essential for complete message transmission and proper spelling.

Frequently Asked Questions About X in Morse Code

What is the letter X in Morse code?

The letter X in Morse code is − · · − (dash dot dot dash), pronounced "dah-di-di-dah". It has a symmetric pattern with dashes on the outside and dots in the middle.

How do you remember X in Morse code?

X is a palindrome — it reads the same backward. Think of X as "eXtreme" — strong on both ends (dashes) with quick beats in the middle (dots).

Is X commonly used in Morse code?

X is rare in regular English text (0.15% frequency) but appears in call signs, abbreviations like "XMIT" (transmit), and in scientific/technical contexts like X-ray.

What is the NATO phonetic for the letter X?

The NATO phonetic alphabet word for X is "X-ray". It is used in communications to clearly identify the letter X.

Translate X and More

Use our free Morse code translator to convert the letter X, full words, and sentences to Morse code instantly.