🔢 Gematria Calculator: Word Values in English, Hebrew and Greek Ciphers

What is the Gematria Calculator?

Gematria is the practice of converting letters into numbers and comparing the totals. It is old and it is practical in origin: Hebrew and Greek had no separate digits, so scribes used the letters themselves as numerals. Aleph did duty as 1, yod as 10, qof as 100, and the same alphabet that spelled a word also priced it. Once every word carries a number automatically, it takes very little imagination to notice that two different words can share one. Jewish exegetes formalised that noticing into a named interpretive technique, and Greek writers did the same thing under the name isopsephy. Gematria travelled into English much later, through occult and esoteric authors who had no inherited letter-numeral system and so invented their own tables. That is the reason English gematria has many competing ciphers while Hebrew has essentially one standard scale with named variations.

The headline cipher in this gematria calculator is English Ordinal, sometimes called simple or English gematria: A equals 1, B equals 2, on to Z equals 26. It is what most people mean when they ask for the gematria value of a word, and it is the only cipher where you can sanity-check the tool in your head. Full Reduction, also called Pythagorean gematria, takes each ordinal value and folds it to a single digit from 1 to 9 before summing, so R (18) contributes 9 and J (10) contributes 1. The fold uses ((v - 1) mod 9) + 1, which keeps every letter in the 1 to 9 band and never lands on 0. This matters: naive digit-summing would send 18 to 9 as well but would send 9 itself to 9 and 10 to 1 inconsistently across implementations, and the modular form removes the ambiguity.

The two reverse ciphers mirror the alphabet. Reverse Ordinal counts from the far end, so A equals 26 and Z equals 1, computed as 27 minus the ordinal position. Reverse Full Reduction applies the same single-digit fold to those reversed values. The fifth scale, Jewish or English Qabalah, is the largest and the one that surprises people. It maps the first nine letters to units (a=1 to i=9), the next nine to tens (j=10, k=20, on to r=90), and the last eight to hundreds (s=100, t=200, on to z=800), deliberately echoing the units, tens and hundreds structure of the Hebrew aleph-bet. Because the values climb so steeply, a four-letter word containing a V (400) or a Z (800) can outweigh a whole sentence measured in Ordinal. If a total looks absurdly large, check which column you are reading.

Hebrew gematria, which this page explains but the widget does not compute, is not one method but a family. Mispar Hechrachi (absolute value) is the standard: aleph 1 through tav 400. Mispar Gadol (large value) continues the count into the five final forms, giving them 500 to 900. Mispar Siduri (ordinal value) simply numbers the 22 letters 1 to 22, which is the direct Hebrew analogue of English Ordinal. Mispar Katan (small value) strips the zeros, so qof 100 becomes 1, and Mispar Katan Mispari reduces a total to its digital root. Atbash swaps each letter with its mirror, aleph for tav and bet for shin, and is used in the Hebrew Bible itself, where Jeremiah writes Sheshach for Babel. Greek isopsephy runs on the same units-tens-hundreds logic and is the mechanism behind the number 666 in Revelation 13:18, widely read as a letter-sum of a name.

The classic Hebrew examples show what the technique is actually for. Chai, spelled chet plus yod, sums to 18, which is why Jewish charitable gifts are so often given in multiples of 18. The Tetragrammaton, yod-heh-vav-heh, sums to 26. Echad, meaning one, sums to 13, and ahavah, meaning love, also sums to 13, a pairing rabbinic commentary treats as a deliberate resonance rather than an accident. Note what these examples have in common: they sit inside a tradition that already assigns the numbers, and they are used to enrich a reading, not to prove one. The number is a footnote to the text, not a replacement for it.

Which brings us to reading the output honestly. Two words with the same total are said to be in gematria with each other, and that is where the fun and the trouble both live. English Ordinal totals for ordinary words cluster in roughly the 20 to 120 range, so collisions are common by arithmetic alone, and Full Reduction, with only 9 possible letter values, collides constantly. If you are free to pick the cipher after seeing the words, free to add or drop a middle name, and free to try a dozen phrasings, you will always find a match. That is the searching, not the signal. This gematria calculator does the arithmetic exactly and refuses to interpret it for you: it computes five ciphers, shows its work per letter, and leaves the meaning entirely in your hands.

When to use it

• Finding the English Ordinal gematria value of a name, word, or short phrase in seconds.
• Comparing one word across five ciphers at once to see which totals line up and which do not.
• Checking work done by hand against a Pythagorean or full reduction chart before you publish it.
• Studying numerology or esoteric texts where an author quotes a letter-to-number value you want to verify.
• Looking up Jewish or English Qabalah values without memorising the 1-10-100 scale.
• Teaching modular arithmetic and substitution ciphers with a worked example students can play with.

How to use the Gematria Calculator

1. Type or paste a word or phrase into the input box. Only the letters A to Z are counted; spaces, digits, and punctuation are ignored.
2. Read the five cipher totals in the results grid: English Ordinal, Full Reduction, Reverse Ordinal, Reverse Reduction, and Jewish/Qabalah.
3. Scroll to the breakdown table to see each letter, its English Ordinal value, and the running total, so you can verify the sum yourself.
4. Edit the text at any time; every value updates live as you type, which makes it easy to test spelling variants.
5. Press Copy results to put all five totals on your clipboard for notes or sharing.

Formula & method

Worked examples

Full English cipher chart: Ordinal, Reduction, Reverse and Qabalah for all 26 letters

Hebrew aleph-bet values (Mispar Hechrachi standard, plus final forms in Mispar Gadol)

Named gematria methods and what each one does

Common mistakes to avoid

• Forgetting that only letters count. Spaces, numbers, hyphens, and punctuation are stripped before the math, so "St. Mary" and "StMary" give identical totals. If you expected an apostrophe or a digit to add value, it will not. Write out any numbers as words if you want them counted.
• Confusing Full Reduction with reducing the final total. Reduction folds each letter to a single digit first with ((v-1) mod 9)+1, then adds. It does not sum the word and reduce that. R reduces to 9 before summing, not by splitting 18 into 1 plus 8 afterwards. The two orders give different answers, which is why hand-calculated values so often disagree with tools.
• Mixing up Jewish/Qabalah with English Ordinal. In Qabalah, J jumps to 10 and S jumps to 100, so totals run far larger than Ordinal. Quoting a Qabalah number as if it were a simple A=1 value is the single most common error in shared gematria screenshots.
• Assuming a matching total proves a hidden link. Ordinary English words cluster in a narrow Ordinal band, and Full Reduction has only 9 possible letter values, so collisions are guaranteed by arithmetic. A match is a coincidence worth noticing, never evidence on its own.
• Cipher shopping after you already know the answer you want. Running a phrase through five ciphers and reporting only the one that hits your target number is the numerological version of p-hacking. Decide which cipher you are using before you look, and report the others too.
• Typing transliterated Hebrew and expecting Hebrew values. Typing "chai" gives the English Ordinal of c-h-a-i (21), not the Hebrew 18. Hebrew gematria runs on the actual aleph-bet, where chet is 8 and yod is 10. Use the Hebrew chart above for those calculations.

Glossary

Gematria

The practice of assigning a number to each letter of a word and adding them to get a single value, then comparing words by that value.

Cipher

A fixed rule for turning each letter into a number. Different ciphers give the same word different totals, which is why you must always name the cipher you used.

English Ordinal

The basic cipher where A=1, B=2, on to Z=26. Also called simple or English gematria, and the default most people mean.

Full Reduction

Also called Pythagorean gematria. Each letter value is folded to a single digit 1 to 9 with ((v-1) mod 9)+1 before the word is summed.

Reverse Ordinal

A cipher that counts the alphabet backwards, so A=26 and Z=1, computed as 27 minus the letter position.

Jewish / English Qabalah

A scale mapping the first nine letters to units, the next nine to tens, and the last eight to hundreds, echoing the Hebrew aleph-bet structure.

Mispar Hechrachi

The standard Hebrew gematria method, running aleph 1 through tav 400. Also called absolute value.

Isopsephy

The Greek equivalent of gematria, summing Greek letter numerals. The 666 of Revelation 13:18 is the best-known example.

Frequently asked questions

Sources

• Gematria , Encyclopaedia Britannica
• Gematria: letter values, named methods and history , Wikipedia
• Explanations of Gematria Methods with Charts , TorahCalc
• Revelation 13:18, the number 666 , Sefaria / Bible text reference