Back to alphabet

Letter J

What is J in Morse Code?

The Morse code for J is .---.

J.---

Breakdown

J consists of dot, dash, dash, dash — 1 dot and 3 dashes. Its length is close to the average for the 26 letters.

Timing Structure

  • · Dot: about 1 time unit
  • · Dash: about 3 time units
  • · J takes 13 units in total: 1 dot (1 units) + 3 gaps (3 units) + 3 dashes (9 units)

Memory Trick

"di-dah-dah-dah" — one dot launching a long falling tail of three dashes.

Example Words

  • JULIET .--- ..- .-.. .. . -
  • JUMP .--- ..- -- .--.
  • JOIN .--- --- .. -.

Similar Characters

  • 1 (.----)J is dot plus three dashes; 1 adds one more dash.
  • Y (-.--)Both end in a long dash tail: .--- vs -.--

Practice This Character

Ready to test yourself? The quiz picks characters at random, so jump in and focus on J (.---) when it appears.

Practice J in the Quiz