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Letter U

What is U in Morse Code?

The Morse code for U is ..-.

U..-

Breakdown

U consists of dot, dot, dash — 2 dots and 1 dash. It is a fairly short signal compared with most letters.

Timing Structure

· Dot: about 1 time unit
· Dash: about 3 time units
· U takes 7 units in total: 2 dots (2 units) + 2 gaps (2 units) + 1 dash (3 units)

Memory Trick

"di-di-dah" — the mirror image of D: two taps then a long note.

Example Words

UNIFORM ..- -. .. ..-. --- .-. --
UNDER ..- -. -.. . .-.
UNITED ..- -. .. - . -..

Similar Characters

D (-..)Mirror images: dot-dot-dash vs dash-dot-dot.
F (..-.)F is U with a trailing dot: ..-. vs ..-

Practice This Character

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

Practice U in the Quiz