Is soul urge the same as Heart's Desire?

Decoz uses both names for the same vowel-based number.

Can the soul urge number be zero?

When a name contains no A, E, I, O, or U, the tool returns 0. The name Lynn is one example because the tool always counts Y as a consonant.

Does this tool let you count Y as a vowel?

No, Y is always treated as a consonant. Decoz describes Y as sometimes a vowel depending on adjacent letters, but the tool offers no option for that choice.

How Do You Calculate Your Soul Urge Number From Vowels?

This tool takes a name, extracts only the vowels (A, E, I, O, U), maps each through a Pythagorean or Chaldean letter table, and reduces the total to a single digit or a master number (11, 22, or 33). Decoz calls the result the Heart's Desire number, describing it as the vowel-based number that uncovers what a person most deeply wants, loves, and values.

Y is always counted as a consonant. Accented and non-Latin letters are dropped without a message, so the vowels in the calculation may be fewer than the reader expects from the original spelling.

Quick Facts

Input: One name in Latin letters plus a system choice (Pythagorean or Chaldean)
Vowels counted: A, E, I, O, U only; Y is always a consonant
Calculation: All vowel values added in one sum, reduced to a single digit or master number (11, 22, 33)
Also called: Heart’s Desire number (Decoz’s term)
Result panel: Final number, system label, master-number badge, vowel list, reduction path, theme line

Five vowels, no Y

The tool extracts five letters from whatever name is typed: A, E, I, O, and U. Every other character is removed before the calculation begins, including consonants, spaces, hyphens, apostrophes, digits, and accented letters.

The entered text is converted to capitals and only A through Z survive. An accented letter such as é or ü disappears without any warning, so a name with accented vowels has fewer counted vowels than the original spelling suggests.

Name worksheet with vowel letters circled and consonant Y left out of the count — The vowel string the tool extracts determines the total that appears in the result panel.

Two system choices appear below the name field: Pythagorean (selected by default) and Chaldean. The Pythagorean vowel values are A = 1, E = 5, I = 9, O = 6, U = 3.

The Chaldean values differ: A = 1, E = 5, I = 1, O = 7, U = 6. The full letter tables and the reasoning behind each system are on the name calculator page and the numerology systems overview.

After the vowel values are added in one sum, the total is reduced by repeated digit sums, stopping at a single digit or at 11, 22, or 33. There is no option to reduce master numbers further.

The result panel shows the label "Soul Urge Number" followed by the system in brackets, the final number, and a "Master Number" badge when the result is 11, 22, or 33. Below that it lists a path line (for example, Vowels sum = 22), each vowel with its assigned value, a one-line theme, and a link.

JANICE MAY BARKER: Pythagorean 22, Chaldean 5

In the Pythagorean system, the vowels in JANICE MAY BARKER are A, I, E, A, A, and E. Their values are 1, 9, 5, 1, 1, and 5.

The sum is 22. Because 22 is a master number, reduction stops there, and the panel shows a Master Number badge.

JANICE MAY BARKER, Pythagorean vowels

Each step can be checked against the letter table.

Extract vowels
Input
JANICE MAY BARKER
Action
Keep only A, E, I, O, U.
Result
A, I, E, A, A, E
Assign values
Input
Pythagorean table
Action
A = 1, I = 9, E = 5.
Result
1, 9, 5, 1, 1, 5
Add
Input
1 + 9 + 5 + 1 + 1 + 5
Action
Sum all vowel values.
Result
22
Reduce
Input
22
Action
Master number, no further reduction.
Result
Soul urge 22

In the Chaldean system, the same six vowels receive different values. A stays at 1 and E stays at 5, but I changes from 9 to 1.

The Chaldean sum is 1 + 1 + 5 + 1 + 1 + 5 = 14. Reducing: 1 + 4 = 5.

Same vowels, different system values
	Pythagorean	Chaldean
Vowels found	A, I, E, A, A, E	A, I, E, A, A, E
Values assigned	1, 9, 5, 1, 1, 5	1, 1, 5, 1, 1, 5
Sum	22	14
Result	22 (master number)	5

The entire difference comes from the value of I: 9 in the Pythagorean table, 1 in the Chaldean table. That single letter changes the sum by 8 and turns a master 22 result into an ordinary digit.

Two name cards with the same vowel string but different assigned values and separate totals — Each entry in the panel traces back to the letter table. When the table changes, the total changes.

Blair Andrews of Numerologist.com calculates JANICE MAY BARKER's Pythagorean soul urge as 22, calling it "the Master Builder, a deep inner drive to create something of lasting significance." The Chaldean result of 5 carries a different association.

Andrews describes the Chaldean soul urge of 5 as one that "craves freedom and variety." Those descriptions belong to Andrews and the respective systems; the tool adds only a one-line theme from the site's number list, not the interpretive passages quoted above.

Two ways to add the same vowels

The tool adds every vowel value into one total and then reduces. Decoz describes a different order: reduce the vowels of each name separately, then add the reduced results.

For JANICE MAY BARKER, those two orders produce different soul urge numbers.

JANICE MAY BARKER by Decoz's published order

Reduce each name's vowels first, then add the results.

JANICE vowels
Input
A, I, E
Action
1 + 9 + 5 = 15, then 1 + 5.
Result
6
MAY vowels
Input
A
Action
Value is 1.
Result
1
BARKER vowels
Input
A, E
Action
1 + 5.
Result
6
Sum reduced names
Input
6 + 1 + 6 = 13
Action
1 + 3.
Result
Soul urge 4

The tool's single sum gives 22, while Decoz's per-name order gives 4. Numerologist.com also adds all vowels in one sum and arrives at 22.

The split happens because reducing each name to a single digit before adding can discard a master number that would emerge in the combined total. Whether 22 survives depends on the addition order, not on the name itself.

Not every name produces a split. MAYA LEE has vowels A, A, E, E; both the tool's single sum (12 → 3) and Decoz's per-name order (MAYA vowels 2, LEE vowels 1, sum 3) give 3.

The tool uses one addition order and Decoz's published instructions use another. Neither is wrong; they are different arithmetic rules applied to the same letters.

When a name has no standard vowels

Decoz writes that "the letter Y can be a vowel or a consonant, depending on the adjacent letters" and offers a way for readers to choose. This tool has no such option: Y carries its consonant value (7 in Pythagorean, 1 in Chaldean) and always goes into the personality number.

For most names the distinction is invisible because the name contains other standard vowels.

It becomes visible when Y is the only vowel sound. The name Lynn contains no A, E, I, O, or U, so the tool returns a soul urge of 0.

The result panel for Lynn shows "Vowels sum = 0", an empty vowels list, no theme line, and the link text "Learn about Soul Urge 0." A reader following Decoz's method who counts Y as a vowel in Lynn would get a nonzero result that the tool cannot reproduce.

What does Decoz mean by inner motivations?

Decoz lists the soul urge among five core chart numbers and calls it "also known as the Heart's Desire." In the core numbers summary, Decoz describes it as based on the vowels in a name, uncovering what a person most deeply wants, loves, and values.

The expression number uses all letters and reveals, in Decoz's words, "natural talents and abilities, and the goal you work toward throughout life." The personality number uses consonants and "describes the side of yourself you show the world and the first impression others form of you."

All three numbers come from the same name. The difference is which letters are counted and what question each number is meant to address.

O'Brien-Smith shows how the vowel subset alone can produce a master number. The Pythagorean vowels are O, I, E, and I, with values 6 + 9 + 5 + 9 = 29, which reduces to master 11.

The soul urge result is one symbolic reading about inner motivation in a named tradition. It does not predict behavior, settle identity, or override what ordinary choices and circumstances show.