4 in Morse Code

The number 4 in Morse code is ....- — dot-dot-dot-dot-dash.

In International Morse Code, the digit 4 is written as ....-, made up of 4 dots and 1 dash. Every Morse numeral is exactly five signals long, which makes numbers easy to tell apart from letters once you know the pattern.

Digits follow a predictable rule: it follows the standard rule for 1–5: 4 dots followed by 1 dash. That symmetry is what makes numbers one of the fastest parts of Morse code to memorize.

Frequently Asked Questions

What is the Morse code for the number 4?

The number 4 is written as ....- in Morse code — dot-dot-dot-dot-dash.

Why are all Morse code numbers five signals long?

International Morse Code fixes every digit at five dots and dashes so numbers are never mistaken for letters, which range from one to four signals. 4 is written as ....-.

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