5 in Morse Code: ·····

The number 5 in Morse code is ·····, spoken as "di-di-di-di-dit": five short. Like every Morse digit it uses exactly five elements, so once you know the counting rule you can read any number without memorizing it.

Timing: how long each part lasts

Morse timing is built from one unit, the length of a dot. A dash is 3 units, and the silence between the elements of a single character is 1 unit. At 20 words per minute, one unit is 60 ms, so 5 breaks down like this:

Timing of 5 (·····) at 20 words per minute
ElementSignalLength (units)At 20 WPM
Dot·160 ms
Gap(silence)160 ms
Dot·160 ms
Gap(silence)160 ms
Dot·160 ms
Gap(silence)160 ms
Dot·160 ms
Gap(silence)160 ms
Dot·160 ms
Total for 59540 ms

How to signal 5

  • Tap it: five short. A short is a quick tap; a long is a heavier tap, or a quick tap followed by a slight hold, about three times as long.
  • Blink it: five short. Use quick blinks for dots and slow, deliberate eye closes for dashes, keeping the rhythm steady.
  • Flash it: five short. Short flashes for dots; for dashes, hold the light on about three times longer. Any flashlight or phone screen works.

Why the pattern makes sense

Every digit from 0 to 9 is exactly five elements long. For 1 through 5, count the dots at the start: the digit is the dot count, and dashes fill the rest. For 6 through 0, count the dashes: the digit is five plus the dash count (with 0 as five dashes). For 5: Five dots. All five slots are dots, so 5 marks the halfway point of the system.

5 has more dots than any other standard code. Contest operators cut it to a single E when sending rapid-fire signal reports.