Atbash Cipher Calculator (Hebrew)
Atbash swaps each Hebrew letter with its mirror from the other end of the alphabet. Type Hebrew letters to see the substitution and its value.
Calculated in your browser. Type with a Hebrew keyboard.
What is it?
Atbash replaces the first letter with the last, the second with the second-to-last, and so on: Aleph and Tav swap, Bet and Shin swap. The name comes from the pairs Aleph-Tav and Bet-Shin. You then read or count the new word.
שלום becomes בכפי, whose standard value is 112.
Letter substitution table
| Letter | Becomes |
|---|---|
| א | ת |
| ב | ש |
| ג | ר |
| ד | ק |
| ה | צ |
| ו | פ |
| ז | ע |
| ח | ס |
| ט | נ |
| י | מ |
| כ | ל |
| ל | כ |
| מ | י |
| נ | ט |
| ס | ח |
| ע | ז |
| פ | ו |
| צ | ה |
| ק | ד |
| ר | ג |
| ש | ב |
| ת | א |
Examples you can check
| Word | Substituted | Standard value of substituted |
|---|---|---|
| שלום | בכפי | 112 |
| אמת | תיא | 411 |
| חי | סמ | 100 |
Frequently asked questions
What is Atbash?
It is a Hebrew substitution cipher that pairs each letter with its mirror from the other end of the alphabet.
Does Atbash change the gematria value?
Yes. You replace the letters first, then count the new word.
Related: Hebrew gematria (standard) · Gadol · Katan · Siduri · Atbash · Albam · Avgad · all ciphers
Values calculated from the published letter tables on this site; worked examples checked by hand on 13 November 2026. Written by Muhammad Hanif. Last updated 13 November 2026. Gematria is a symbolic practice, not a prediction tool.