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Date of birth
Only the letters A to Z are used. Accents and punctuation are ignored. Each word counts as one name for the initials. The name is worked out in your browser.

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Your maturity number is your life path number added to your expression number, your birthday number is simply the day of the month you were born, and your balance number comes from the initials of your full birth name. Enter your date of birth and your full name at birth, and the tool works out all three in Pythagorean numerology, the way the numerologist Hans Decoz sets them out, with every step shown.

How it works

Maturity number. Decoz: add your life path number and your expression number and reduce the total to a single digit. Your life path comes from your birth date, the same way as on our life path calculator: the month, day and year are each reduced, then added and reduced again. Your expression number comes from every letter of your name with its Pythagorean value, A = 1 to I = 9, then J = 1 and so on, the same way as on our name numerology calculator.

Birthday number. Decoz: your birthday number is simply the day of your birth, read both as itself and, for a two-digit day, as its single digit. Born on the 15th, you have a 15 birthday, which reduces to 6.

Balance number. Decoz: add the values of the initials of your full name at birth and reduce to a single digit, master numbers included. His example, Thomas John Hancock, has the initials T, J and H, worth 2, 1 and 8, which add up to 11 and reduce to 2; the tool gives the same. Each word of the name counts as one name, so a hyphenated name gives two initials, and accents and apostrophes are ignored.

Reading the result

Decoz reads the maturity number as what you grow into, a wish that surfaces gradually around the age of 30 to 35. He reads the birthday number as a special talent you have, and the balance number as the way you tend to meet hard, emotional moments, a number that stays in the background most of the time. The tool gives the theme of each number in the same words as our other numerology tools, as a prompt for reflection.

Where traditions differ

Decoz’s article on the maturity number says to reduce the total to a single digit and does not discuss master numbers. This tool keeps 11, 22 and 33 there, as our life path and name tools do, and shows the single digit beside them. For the balance number Decoz reduces master numbers too, and the tool follows him. Writers also differ on which name to use; the tradition uses the full name on the birth certificate, and a married name or a nickname gives other numbers. Chaldean numerology uses other letter values, which our guide to Pythagorean and Chaldean numerology explains.

What it does not do

It does not predict events or describe your character for certain. Numerology is a tradition of reflection and symbolism, not science; take what is useful. For the four long periods of life worked out from your birth date, see the pinnacles and challenges calculator.

Frequently asked questions

↳ What is the maturity number?

It is your life path number plus your expression number, reduced. Decoz reads it as what you grow into, and says it is felt more from about the age of 30 to 35.

↳ Is the birthday number just my birth date?

It is the day of the month you were born, from 1 to 31. A two-digit day is read both as itself and as its single digit, so the 24th is read as 24 and as 6.

↳ How is the balance number worked out?

From the first letter of each of your names at birth. The Pythagorean values of those initials are added and reduced to one digit.

↳ Which name should I use?

Your full name as given at birth, first, middle and last. A married name or a nickname gives different expression and balance numbers.

↳ Why is my maturity number a master number?

If your life path and expression add up to 11, 22 or 33, or to a total such as 29 that reduces to one of them, the tool keeps that number, as our other numerology tools do, and shows the single digit as well.