Morse Code Translator: The Complete Guide (with the Full Alphabet Chart)
How to read and write Morse code, the full international alphabet chart, common abbreviations, and a free browser-based translator. Plus the surprising places Morse is still used in 2026.
Morse code maps each letter to a pattern of dots and dashes: A is .- (dit-dah), B is -... (dah-dit-dit-dit), and so on. The international standard is ITU-R Morse code, with 26 letters, 10 digits, and common punctuation. The Uttir Morse Code Translator does English↔Morse in your browser for free, with audio playback at adjustable WPM.
Morse code is the original digital encoding — a 19th-century system for transmitting text over a wire using only two signals: a short pulse (dit) and a long pulse (dah). It's still in use today, more than 180 years after Samuel Morse patented it, primarily for amateur radio, aviation beacons, and emergency signaling. This guide covers how to read and write it, the full chart, common abbreviations, and a free translator.
If you need to translate right now, the Uttir Morse Code Translator does English↔Morse in your browser, with audio playback at adjustable WPM.
The full international Morse code chart
Letters
| Letter | Morse | Letter | Morse | Letter | Morse |
|---|---|---|---|---|---|
| A | .- | J | .--- | S | ... |
| B | -... | K | -.− | T | - |
| C | -.-. | L | .-.. | U | ..- |
| D | -.. | M | -- | V | ...- |
| E | . | N | -. | W | .-- |
| F | ..-. | O | --- | X | -..- |
| G | --. | P | .--. | Y | -.-- |
| H | .... | Q | --.- | Z | --.. |
| I | .. | R | .-. |
Numbers
| Digit | Morse | Digit | Morse |
|---|---|---|---|
| 0 | ----- | 5 | ..... |
| 1 | .---- | 6 | -.... |
| 2 | ..--- | 7 | --... |
| 3 | ...-- | 8 | ---.. |
| 4 | ....- | 9 | ----. |
Common punctuation
| Symbol | Morse | Symbol | Morse |
|---|---|---|---|
| . | .-.-.- | = | -...- |
| , | --..-- | + | .-.-. |
| ? | ..--.. | - | -....- |
| ' | .----. | / | -..-. |
| ! | -.-.-- | ( | -.--. |
| ( | -.--.- | ) | -.--.- |
| & | .-... | @ | .--.-. |
How to read Morse code
The spacing rules matter as much as the dot/dash patterns. There are four levels of separation:
- Within a character — dits and dahs are separated by 1 unit of silence. A is .- (dit, gap, dah).
- Between characters — 3 units of silence. C is -.-. = dah gap dit gap dah gap dit.
- Between words — 7 units of silence. A pause that's noticeably longer than the between-character gap.
- Pro-signs — special sequences treated as single characters (more on these below).
A common mistake is collapsing all the spaces. The translator handles spacing automatically when you paste English text in. When you read Morse by ear, the spaces are how you parse characters and words — without them, every Morse signal is just an undifferentiated stream of pulses.
Common prosigns (procedural signals)
Prosigns are multi-character sequences used as a single signal. They're not words — they're meta-instructions embedded in the transmission.
- SOS — ... --- ... (the international distress signal; chosen because the pattern is unmistakable and easy to send).
- SK — ...-.- (end of contact).
- BK - -...- - (break, inviting the other station to transmit).
- CL — -.- .-.. (clear, shutting down the station).
- CQ — -.-. --.- (calling any station; the original "is anyone out there?").
- K — -.- (over, invitation to transmit).
- R — .-. (received, understood).
SOS deserves special mention. It's not an abbreviation — the letters were chosen for the rhythm of the pattern: three short, three long, three short. Even someone who doesn't know Morse can recognize it as a distress signal by ear.
Common abbreviations
Experienced Morse operators use abbreviations to speed up transmission. These are standard across amateur radio:
- 73 — best regards (used to sign off).
- 88 — love and kisses (used between close friends, less common today).
- DE — "from" (in station identification: K3LR DE W1AW means "W1AW from K3LR").
- RST — readability, signal, tone (a 3-digit report: 599 means perfectly readable, very strong signal, perfect tone).
- QRZ? — "who is calling me?"
- QTH — location.
None of these abbreviations are encoded differently from regular words — they're just Q-codes and prosigns that have become standard shorthand. The translator handles them as text.
Where Morse code is still used in 2026
Morse seems obsolete but it persists in specific niches where its properties still matter.
Amateur radio
Morse (called "CW" for continuous wave) is still widely used by amateur radio operators, especially for long-distance weak-signal work. CW signals are more readable than voice in poor conditions because the bandwidth is narrower and the human ear is excellent at picking patterns out of noise. The Uttir Morse Code Translator is a good study aid if you're working toward your amateur radio license.
Aviation beacons
Non-directional beacons (NDBs) at airports identify themselves with a 2- or 3-letter Morse code identifier. Pilots use this to confirm they're tracking the right beacon, especially in low-visibility conditions.
Maritime distress
While satellite EPIRBs have largely replaced Morse, the international distress frequency (500 kHz) was historically reserved for Morse transmissions from ships in distress. The skill is still taught to maritime radio operators.
Accessibility
Morse code input systems exist for people with severe motor impairments. A single switch (a blink, a sip, a muscle twitch) can produce Morse at slow WPM, and modern AAC (Augmentative and Alternative Communication) devices sometimes use Morse as an input method.
Learning and puzzles
Morse is fun to learn as a hobby, and the visual patterns of .- and --- are satisfying. Crossword puzzles, escape rooms, and geocaching often hide Morse in their clues.
How to learn Morse code
The traditional advice is to learn by sound, not by sight. The eye reads each character as a shape, but the ear learns them as a rhythm — and the rhythm is what you actually use in real transmission. Modern learning methods (Koch method, Farnsworth timing) emphasize sound from day one.
- Start with audio, not visual. Use the Uttir Morse Code Translator's playback feature to hear each letter at 5 WPM.
- Learn at full speed with spaced characters. The Farnsworth method: characters play at 15 WPM, but the spacing between them is set so the effective speed is 5 WPM. You learn the rhythm of the real signal.
- Practice receiving, not just sending. The hard part of Morse is decoding incoming signals. Use online practice tools to listen to random character streams and write them down.
- Don't count dits and dahs. Once you know a character, you should recognize it as a sound, not as three symbols. "Counting" is a beginner habit to break.
- Aim for 10 WPM in 3 months. A comfortable receiving speed for casual use. Contest operators reach 30–40 WPM; you don't need to.
FAQ
Is Morse code the same in every country?
Yes — the international standard is ITU-R Morse code, used everywhere. American Morse (used on early US telegraph lines) was different, with some characters encoded differently. Modern Morse is the international version.
What does SOS mean?
SOS doesn't actually stand for anything. The letters were chosen because ... --- ... is a clear, easy-to-send pattern that's hard to confuse with anything else. Early radio operators adopted it as the distress signal, and it's been the standard ever since.
How fast can Morse be sent?
Skilled operators can send and receive at 30–40 WPM. The world record for receiving is over 70 WPM. For practical use, 20 WPM is plenty for any conversation.
Can I type Morse code in real time?
Yes. A standard "straight key" lets you tap dits and dahs directly. Modern iambic paddles send alternating dits and dahs when squeezed, doubling your speed. The Uttir Morse Code Translator plays back your text at a chosen WPM, which is how you learn the timing.