While I know the basics of Gematria, i.e. the numerical value assigned to each letter, I’d like to learn more, like the different letter substitutions, how far off you can be and still count it as the same value, etc., as well as sources for these principles. Can someone recommend a Sefer on the topic?

  • Just like Chazal warn us about using the principle of gezeirah shavah, I think this caution should be stretched to fit gematria as well. With all the rules that go into gematria, you can pretty much make it work with any word and get the outcome you want.
    – ezra
    Commented Jul 17, 2018 at 5:42
  • I recently saw an amazing Sefer on this very subject from a Rov in Haifa - I'll try find it again - please remind me in a few days if I forget. Commented Jul 17, 2018 at 10:53
  • 1. The intro. to Rokeach on Torah. 2. Hakdamah Shnia to Ittur Bikurim (commentary on Baal HaTurim).
    – Oliver
    Commented Jul 17, 2018 at 13:53
  • see pardes rimonim by the ramak
    – user813801
    Commented Dec 29, 2022 at 12:53

1 Answer 1


The artscroll Baal Haturim Chumash on Bereishis has an excellent introduction on gematrias, letter substitutions and such.

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