Letter lookup

Letter O in Morse Code

The letter O in Morse code is ---. Three long beats. Practice it in the live translator or browse the full A-Z chart.

How Morse code letters work, showing dot and dash patterns

Quick reference: O = ---

Memorise the rhythm, not just the symbols. Three long beats.

  • Letter: O
  • Morse code: ---
  • Dots: 0
  • Dashes: 3

Example word with O

OCEAN encodes to:

--- -.-. . .- -.

Want to try your own word? Open the Morse code translator and type any text to see and hear it instantly.

How to remember O in Morse code

Learners pick up letters fastest when they listen rather than read. Play the audio a few times, repeat the rhythm aloud, then write the dots and dashes on paper. The fast-start learning guide covers the full routine.

Related letters

Compare letter N (-.) and letter P (.--.) to feel the difference in timing. Mixing pairs in practice builds real recognition speed.

Practice O in the live translator

Type any word, press play, and hear the Morse audio - perfect for ear training.