Letter O

O

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dash-dash-dash — the 15th letter
flashes in sync

How to write "O" in morse code

"O" is dash-dash-dash (---): three long signals, with no gap between them. Say it out loud as "dah-dah-dah" — that rhythm is exactly how it should sound.

"O" in the alphabet

O is the 15th letter of the alphabet. 15th letter of the alphabet. The middle of the alphabet's long codes.

Memory hook: Three dashes — 'O' is round and long, three times over.

Neighboring letters

Keep exploring

Translate anything in the morse code translator, decode sounds with the audio decoder, or browse the numbers chart.