Greek Gematria Calculator

Final sigma

Greek writes sigma as σ inside a word and ς at the end. They are the same letter and carry the same value, 200. Some poorly built calculators treat ς as unrecognised and skip it, which silently drops 200 from any word ending in sigma — and a great many Greek words end in sigma. If a total looks 200 short, this is the first thing to check.

Accents, breathing marks and iota subscript

Polytonic Greek carries acute, grave and circumflex accents, rough and smooth breathing marks, dialytika and iota subscript. None of them carry numeric value. They must be stripped before lookup, which is done by Unicode NFD normalisation followed by removal of combining marks. A calculator that treats ἁ as a different character from α will fail on almost any text copied from a critical edition.

Archaic letters

Stigma, koppa and sampi appear in numerals but not in ordinary words, so whether to include them depends on what you are doing. Calculating the value of a word will rarely involve them. Reading a number written in Greek numerals — such as χξϛ in Revelation — requires them absolutely. The calculator above includes them by default and lets you turn them off.

666 and the variant 616

The number appears in Revelation 13:18, which invites the reader to calculate it. In the Greek manuscript tradition it is written as the numeral χξϛ — chi 600, xi 60, stigma 6 — which is itself a demonstration of how Greek letters function as numbers, and a good reason the archaic letters matter.

Not all manuscripts agree. Papyrus 115, a third-century fragment from Oxyrhynchus, and Codex Ephraemi Rescriptus both read 616 (χιϛ) instead. Irenaeus, writing in the second century in Against Heresies V.30, already knew of the 616 reading and argued against it, which places the variant very early.

The most widely held scholarly explanation connects the number to the emperor Nero. Transliterating 'Neron Caesar' into Hebrew letters gives a total of 666; the Latin spelling 'Nero Caesar' drops a final nun worth 50, giving 616. That a single spelling difference accounts for both readings is the main reason the identification is taken seriously. It remains an interpretation, not a settled fact, and other candidates have been proposed.

888 and the name Jesus

Ἰησοῦς totals 888, as the worked example above shows. The observation is ancient rather than modern: it appears in the Sibylline Oracles, and Irenaeus discusses it in the same section of Against Heresies that treats 666. Early Christian writers read the number as significant partly by contrast with 666 and partly because 8 was associated with resurrection and the day after the Sabbath.

Other documented values

Ἀβρασάξ totals 365, matching the days of the year, which is why the name appears on Gnostic amulets and in magical papyri. Μίθρας was adjusted in antiquity to total 360 for similar reasons. The dove, περιστερά, totals 801, and so does alpha plus omega (1 + 800) — a pairing noted by early commentators as linking the bird of the baptism to the beginning and the end. These are documented instances of deliberate isopsephy, which is what separates them from coincidental matches.

Students of Greek and classics

Reading numerals in inscriptions, papyri and manuscripts, where numbers are written as letters and the archaic symbols appear without explanation. The letter-values table and the normalisation panel are built for working with text copied out of critical editions, diacritics and all.

Biblical scholars and theology students

Checking isopsephic claims made in commentaries, and reading the numerals in Revelation and the Church Fathers directly rather than through a secondary source. The sourced-values table gives the attestation alongside the arithmetic so a claim can be traced.

Historians of the ancient Mediterranean

Isopsephy turns up in graffiti, curse tablets, amulets and magical papyri across the Hellenistic and Roman worlds. Being able to calculate quickly, and to compare Greek with Hebrew, helps in assessing whether a number in an inscription is likely to be deliberate.

Readers following up a reference

Most people arrive after meeting a number somewhere — in a book, a documentary, a sermon or online — and wanting to check it. The reverse lookup and the sourced-values table are for exactly that: see the arithmetic, see whether a text actually supports the claim, and decide for yourself.

What is Greek gematria?

Greek gematria is adding up the numeric values of the letters in a Greek word to get a single number. Ancient Greek used letters as numerals, so every word already had a value. Its proper name is isopsephy, from the Greek for 'equal pebbles'.

What's the difference between gematria and isopsephy?

They are the same practice in different alphabets. Isopsephy is the Greek term and applies to Greek letters; gematria is the term used for the Hebrew system. Because the alphabets and their values differ, the same concept produces different numbers in each.

What is the Greek value of the name Jesus?

Ἰησοῦς totals 888: iota 10, eta 8, sigma 200, omicron 70, upsilon 400 and final sigma 200. The observation is ancient — it appears in the Sibylline Oracles and is discussed by Irenaeus in the second century.

Why is 666 written as χξϛ?

Because Greek wrote numbers with letters: chi is 600, xi is 60 and stigma is 6. Revelation 13:18 gives the number in that numeral form, which is why the archaic letter stigma matters — a calculator that omits it cannot represent the number correctly.

Why do some manuscripts say 616 instead of 666?

Papyrus 115 and Codex Ephraemi Rescriptus both read 616, and Irenaeus knew of the variant in the second century. The most common scholarly explanation is that 666 reflects a Hebrew transliteration of 'Neron Caesar' while 616 reflects the Latin spelling 'Nero Caesar', which is one letter shorter.

Does final sigma have a different value from regular sigma?

No — ς and σ are the same letter and both are worth 200. Final sigma is simply the form used at the end of a word. Some calculators fail to recognise ς and silently skip it, so if your total is 200 short on a word ending in sigma, that is usually why.

What are stigma, koppa and sampi?

They are three archaic letters kept in the numeral system after they left ordinary writing: stigma is 6, koppa is 90 and sampi is 900. The Milesian system needs twenty-seven symbols and the classical alphabet only has twenty-four, so these three fill the gaps.

Do accents and breathing marks change the value?

No. Accents, breathing marks, iota subscript and diaeresis carry no numeric value and are stripped before calculation. This matters when pasting from a critical edition, where polytonic marks are everywhere.

Can I use this without a Greek keyboard?

Yes — type Latin letters and the calculator transliterates them, showing you the Greek it inferred so you can check it. Digraphs like th, ph, ch and ps map to single Greek letters. Where Latin is ambiguous, such as e for epsilon or eta, it defaults to the short vowel and offers the alternative.

How is Greek gematria different from Hebrew gematria?

Different alphabets, different values, different totals. Greek runs 1-900 across 27 symbols; Hebrew runs 1-400 across 22, with optional higher values for final forms. A word and its translation almost never share a value across the two systems.

Is gematria a reliable way to find hidden meanings in a text?

It is best treated as evidence of what writers and readers believed rather than as a method of discovery. Any large vocabulary contains many words that happen to share a total, so a numeric match on its own does not establish a connection. Historians look for independent evidence that a writer intended the link — which is why the sourced table above separates attested cases from arithmetic coincidence.