This guide is available in English only. The calculator and the main site are translated.
What the soul urge number is
The soul urge number is the total of the vowels in a full birth name, reduced to a single digit or a master number. It is also called the heart's desire number, and in some older books the motivation number. All three names refer to one calculation.
The tradition's reading is that vowels are the sound a name makes — the part that carries when it is called across a room — and so the vowel total describes the inner voice: what a person wants, as opposed to what they are good at (the expression number) or how they come across (the personality number). It is held to be the most private of the core numbers and the one least visible to other people.
This is symbolism, not evidence, and it is stated here as the tradition states it. What can be said with confidence is how the number is calculated and where calculations go wrong, which is where this guide spends most of its time.
How to calculate it, worked through
Use the Pythagorean values (A 1, E 5, I 9, O 6, U 3). Take each part of the full birth name, add its vowels, reduce each part, add the reduced parts, and reduce the total. The example is the name this site uses to test its calculator, Alex Morgan Reed.
Alex. A1 + E5 = 6
Morgan. O6 + A1 = 7
Reed. E5 + E5 = 10 → 1 + 0 = 1
Total. 6 + 7 + 1 = 14 → 1 + 4 = 5
Adding every vowel in one pass gives 6 + 7 + 10 = 23, which also reduces to 5. As with the expression number, the two methods agree for this name and will not for every name; the part-by-part method is the one the books teach.
The Y problem
This is the reason two sites can give you two soul urge numbers for the same name, and the tradition has never settled it. Y is worth 7 in every table. The question is whether it is a vowel.
Three rules are in use:
- Y is always a consonant. The simplest rule and the one this site's calculator uses. Lynn, Ivy and Yvonne all count no Y-vowels.
- Y is a vowel when it makes the vowel sound. The majority position in the books. Y is a vowel in Lynn (no other vowel in the syllable), in Ivy (final Y sounding as a vowel), in Mary and Kelly; a consonant in Yvonne, Yolanda and Yates, where it begins the syllable and another vowel follows.
- Y is a vowel only when the syllable has no other vowel. A stricter minority rule: Lynn counts it, Mary does not.
Under the middle rule, some authors extend the logic to W after a vowel (Matthew, Lowell), treating the W as part of a diphthong. Most do not, and the calculator here does not.
The disagreement is not trivial. A name with one Y treated as a vowel gains 7 in the vowel total and loses 7 in the consonant total, which frequently changes both the soul urge and the personality number while leaving the expression number untouched. If a reading you were given does not match your own working, count the Ys first.
What each soul urge number is held to mean
The associations are the standard ones for each digit, turned inward. The soul urge is read as what the person is quietly after, whether or not their life shows it.
Soul urge 1
A wish to lead and to be first, which the tradition says may be entirely hidden behind an accommodating manner. The reading warns of resentment when the wish is not acknowledged, least of all by the person who has it.
Soul urge 2
A wish for partnership and for peace. Described as the number of people who want, above all, not to be in conflict — and who will pay too much for that.
Soul urge 3
A wish to be heard and to be enjoyed. The tradition reads this as the most sociable inner number and warns that its owner may perform even when alone.
Soul urge 4
A wish for order and for solid ground. Held to indicate someone who wants a dependable life more than an interesting one, and who may be uneasy admitting it.
Soul urge 5
A wish for freedom and variety. Alex Morgan Reed is a 5: under the tradition, someone whose analytical expression 7 is driven by an appetite for change rather than for depth. The warning is restlessness disguised as principle.
Soul urge 6
A wish to be needed. The readings describe a person whose satisfaction comes from being responsible for others and whose difficulty is stopping.
Soul urge 7
A wish to understand and to be left alone to do it. Held to be the most inward of the inward numbers; a person with a 7 soul urge and an outgoing life is described as chronically tired.
Soul urge 8
A wish for achievement that shows. The tradition is unusually direct that this includes money and standing, and warns against pretending otherwise.
Soul urge 9
A wish to matter beyond one's own circle. Read as idealism, with the warning that idealism about people in general can coexist with impatience toward people in particular.
Soul urge 11 and 22
Kept as master numbers when a total lands on them. Read as heightened 2 and 4: a wish for insight or for large-scale accomplishment, carried with more strain than the single-digit version. A vowel total of 33 is possible but uncommon, and is read as a heightened 6.
Soul urge, expression and personality together
The three name numbers are one calculation split in two. The soul urge takes the vowels, the personality number takes the consonants, and the expression number takes everything. Before reduction, vowels plus consonants equals the whole exactly, which is a useful check on your arithmetic: for Alex Morgan Reed, 23 + 47 = 70.
The tradition reads the three as a layered portrait. The personality is what strangers meet, the soul urge is what the person privately wants, and the expression is the whole. Where soul urge and personality match, the reading is of someone whose outside and inside agree; where they differ sharply, of someone routinely misjudged. Whether any of that describes a real person is for the reader to decide. The arithmetic, at least, is checkable.
Common calculation mistakes
Counting Y one way in one name and another way in the next
Pick a rule and apply it to every part of the name. Most disagreements between sites come from applying different rules, not from arithmetic.
Forgetting that a part can total 10
Reed gives 10, and 10 is not a single digit. It reduces to 1. Carrying the 10 forward into the sum of parts gives 6 + 7 + 10 = 23 → 5, which happens to agree here, but will not for every name.
Using a shortened name
Same rule as the expression number: the full birth name. Alex and Alexander have different vowels and different soul urge numbers.
Confusing the soul urge with the life path
The life path comes from the birth date and has nothing to do with the name. The two are compared, not combined.
Questions people ask
Is the soul urge number the same as the heart's desire number?
Yes. And the same as the motivation number in some older books. One calculation, several labels.
Is Y a vowel in numerology?
Sometimes, and the tradition does not agree on when. The three rules in use are set out above. This site's calculator treats Y as a consonant in every position.
What if my name has no vowels apart from Y?
Then under the strict consonant rule your soul urge total is 0, which the system has no reading for. That is one argument for the majority rule, under which Y in such a name is a vowel worth 7.
Why is the soul urge number said to be hidden?
Because the tradition says so, not because anything about vowels is secret. The claim is that this number describes wants rather than behaviour, and wants are less visible. Treat it as the system's own framing.
Work Out Your Full Chart
Life path is one of four core numbers. The calculator produces all of them from a name and a birth date.
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