Chaldean Numerology
Chaldean numerology converts a name with a chart that runs from one to eight and never assigns nine — the single feature that tells it apart from the Pythagorean chart at a glance. Type a name below and the calculator shows every letter and what it contributed, the compound number that appears on the way down, and what the Pythagorean chart makes of the same name, so a disagreement between the two is visible rather than hidden.
See a full example report The complete document for an invented date. Opens in full, nothing hidden.
The chart, and why it stops at eight
A, I, J, Q and Y carry one; B, K and R carry two; C, G, L and S carry three; D, M and T four; E, H, N and X five; U, V and W six; O and Z seven; F and P eight. Nine is given to no letter at all. That absence is the recognition mark of the system: if a chart you are reading assigns nine to a letter, it is not this one.
The tradition gives a reason for the gap rather than leaving it as trivia. Nine is treated as standing apart from the others, so it never enters a name directly and can only ever arrive as a total. A name that reduces to nine got there by addition, not by carrying a nine — and practitioners read that arrival differently from a nine that was present all along in another system.
The letters are grouped by sound rather than by alphabetical position, which is the other structural difference. The Pythagorean chart simply numbers A to Z in order and repeats every nine letters; here the grouping is not alphabetical, and that is why the two charts disagree on most names rather than on a few.
The compound number, which most calculators drop
The single digit is the end of the arithmetic. The two-digit total immediately before it is what Chaldean practice calls the compound number, and it is read as carrying a meaning of its own. Two names that both end at three can arrive there from 48 and from 39, and the tradition does not treat those as the same arrival.
Most calculators show only the final digit, which is why this step is usually invisible to readers who did not learn the method from a book. It stays on screen here. Without it there is no way to see which road a name took, and the compound is the part practitioners most often talk about.
Why this page and our name page disagree
This site has a second name calculator, and it will give a different number for the same name. That is not an error in either of them: it uses the Pythagorean chart and reads three numbers — expression, soul urge and personality — while this page uses the Chaldean chart and reads one, with the compound behind it.
Neither chart is a correction of the other, and practitioners generally stay inside one. What we do not do is pick for you and hide the other: this calculator shows both totals whenever they part company, and the page above says which is which. A reader who finds the disagreement on their own, on a site that pretended there was only one answer, has been given a reason to distrust everything else on it.
If you came here from a practitioner who works in one chart, use theirs. If you came with no allegiance, the compound number is the argument for this one — it is the part of the reading that the other chart does not produce.
Reading a name against a date
Indian practice, which uses this chart, does not read a name number on its own. It sets it against two figures from the birth date: the Mulank, the day of the month reduced, and the Bhagyank, the whole date reduced. Enter a date and the calculator adds both, together with whether the name figure repeats either of them.
A repeat is read as a theme already present being reinforced; a difference is read as a contrast rather than a conflict. The tradition does not rank the combinations, and neither does this reading. Nothing here grades a name, and nothing here is a reason to change one.
Frequently asked
- What is Chaldean numerology?
- It is a system that converts letters to numbers with a chart running from one to eight, grouped by sound rather than alphabetical order, and never assigning nine to any letter. It is most often used for names, and it keeps a second figure the Pythagorean system does not: the compound number, the two-digit total that appears immediately before the final reduction.
- Why does the Chaldean chart have no nine?
- The tradition treats nine as standing apart from the other eight, so it is never assigned to a letter and can only ever appear as a total. That absence is also the practical way to recognise the chart: any table that gives nine to a letter is a different system, whatever it is labelled. Our calculator shows every letter and its value, so you can check the chart it used.
- Chaldean or Pythagorean — which is right?
- Neither is a correction of the other, and there is no test that settles it. They are two schools with different letter groupings, and practitioners generally work inside one. This calculator shows both totals whenever they disagree, so the choice stays with you rather than with whichever chart a page happened to pick.
- Which name should I enter?
- The method reads the name as written, so the form matters: a full name, a short form and a married surname all give different figures, and that is a property rather than a fault. Enter the form you are called by if you want a reading about how you are met; enter the full legal form if you are following a practitioner who asked for it. Counting both and looking at the difference is a reasonable thing to do.
- What is the compound number?
- It is the two-digit total that appears just before the last reduction. If the letters of a name add to 39, the compound is 39 and the final digit is 3; a different name adding to 48 also gives 3, but from a different compound. The tradition reads those two as different arrivals at the same figure, which is why we keep the compound on screen instead of showing only the digit.
- Do I have to enter a date of birth?
- No. The name figure is worked out from the letters alone. A date adds the Mulank and Bhagyank — the two numbers Indian practice reads a name against — and shows whether the name figure repeats either of them. Without a date the reading is complete, just without that comparison.
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