Easy way to remember
Zero is five dashes.
Number 1 of 10
0 in Morse code is dash dash dash dash dash (− − − − −), said dah-dah-dah-dah-dah.
Ready when you are.
5 signals19 units1.14 s at 20 WPM
Flashing light may affect sensitive viewers. Tap the screen or press Esc to stop.
dah · dah · dah · dah · dah
-----
Use LONG-LONG-LONG-LONG-LONG as a memory cue. Send dash dash dash dash dash. Hold each dash for three dot lengths and leave one dot length between signals.
Zero is five dashes.
1 is dot dash dash dash dash (· − − − −); 0 is dash dash dash dash dash (− − − − −). Compare the order and number of signals.
9 is dash dash dash dash dot (− − − − ·); 0 is dash dash dash dash dash (− − − − −). Compare the order and number of signals.
| Word | Morse | Try it |
|---|---|---|
| 0 | ----- | Open in translator → |
| 00 | ----- ----- | Open in translator → |
| 01 | ----- .---- | Open in translator → |
0 is dash dash dash dash dash (− − − − −), said dah-dah-dah-dah-dah.
It represents the number 0. Any extra meaning depends on the operating context or the surrounding message.
The pattern uses 19 units, including its internal gaps. At 20 WPM that is 1.14 seconds, before the next letter gap.
Compare 1 (· − − − −) with 0 (− − − − −). Listen for the difference in signal order and length.
Checked against ITU-R M.1677-1 · Last reviewed · How we check our pages · Report it