Numerology is the study of the meaning carried by numbers — the idea that the numbers drawn from your birth date, and from the letters of your name, describe something true about who you are and how your life moves. There are several schools of numerology in the world. We deliberately use only one.
Your two core numbers
Chaldean numerology begins with something you didn't choose: your date of birth. From it come two numbers that sit at the centre of everything.
Your Birth Number comes from the day of the month you were born. It describes your inner self — your natural personality and mindset, the person you are underneath. Your Life Path Number comes from your full date of birth. It describes what you long for — your goals, your determination, and how you reflect yourself out to the world.
Enter your birth date and watch both appear.
The numbers and their planets
In Chaldean tradition every single-digit number answers to a planet — this is where a number gets much of its character. It's the bridge between your numbers and the sky. Hover — or tap — any number to see it.
The Chaldean table
Here is the heart of the system — the table that makes name numerology possible. Unlike other methods, Chaldean assigns each letter a number from 1 to 8 based on its vibration, not its place in the alphabet. The number 9 is held sacred and given to no letter at all.
Your name is the power you can shape
Here is where Chaldean numerology becomes practical, and quietly radical. Your birth date is fixed — it gives you the nature you are born with. But your name is different. Your name represents the parts of life you can actually shape: your personality in action, your attitude, how you communicate, how you relate to others. That is why, in this tradition, your name is said to hold real power over the direction your life takes.
Add the letters of your name through the table above and you reach your Name Number — the single figure that describes the force your name carries into the world. Enter yours below, and read what it means.
What Chaldean numerology can — and can't — do
An honest word. Chaldean numerology is an ancient system of correspondence between sound, number and planet — not a laboratory science, and it won't hand you certainty about the future. What it offers instead is a clear, consistent language for understanding your own nature, and one genuinely practical lever: your birth numbers are set, but your name is yours to shape. Used with care, that's not fortune-telling — it's alignment.
Your birth date gives you what you're born with. Your name is what you can change. That is the quiet power of Chaldean numerology.
A note on where this depth comes from
Name numerology is deep water, and only a few people in the world truly understand it. Cosmiclogy's founder, Ragesh Waikar, has spent many years studying the Chaldean system to its core — which is why the numerology here follows one disciplined method rather than a mix of borrowed rules. When you receive a reading, it rests on that depth.
Your numbers are only the beginning
Cosmiclogy reads your full Chaldean picture — your birth numbers and the power of your name — in plain language. Free to start.
Discover your Cosmic Profile →Common questions
Why does Cosmiclogy use Chaldean numerology?
Chaldean is the oldest known system, built on the vibration of sound rather than alphabetical order — and widely held to be the most accurate. We use it exclusively, one method applied consistently, because mixing systems only produces contradictory numbers.
What's the difference between my Birth Number and Life Path Number?
Your Birth Number (from the day you were born) is your inner self — natural personality and mindset. Your Life Path Number (from your full date of birth) is what you long for — your goals and how you present yourself to the world. You can work yours out with the life path number calculator.
Does my name really affect my life?
In Chaldean numerology, yes — because the name represents what you can control: personality, attitude, communication, relationships. Your birth date is fixed; your name is not. That's why name numerology is considered so powerful.
What is a compound Name Number?
It's the total you get by adding every letter of your name through the Chaldean table, before it's reduced to a single digit. In Chaldean numerology the compound number — such as 19, 27 or 33 — carries its own detailed meaning, which is why two names that reduce to the same single digit can still read very differently.