The Expression number is derived from the value of the letters in your name - that is your full birth certificate name. This represents the energies your soul chose to own at birth regardless of who named you. This is what you have chosen. It describes your complete personality. The subdivisions of these numbers into vowels and consonants also provides information on how you are seen by others and what your deepest motivation and urges are. This simple table will help you determine your expression number. You need to add up the total in your first name and reduce to a single digit eg. 35 reduces to 3 + 5 = 8. Then add up each of your other names and the total (usually of first, middle and surname) is reduced to a single digit. Here are the values.
A B C D E F G H I
J K L M N O P Q R
S T U V W X Y Z
1 2 3 4 5 6 7 8 9
The only exception is that k has the value of 11 and is not reduced to 2. Similarly V has the value of 22 is is not reduced to 4. These are master spiritual numbers.
Look on my website for the Basic Meaning of Numbers and you will find that this number describes your personality quite well. The other point to note is that the Birth Path or how we function on a daily basis colours our personality and needs to be considered with this. For example if your expression number is a 1 (outgoing, leadership, original) and your birth path a 7 ( introspective, self critical , analytical, intuitive) you may find that your leadership abilities may be expressed in writing or behind the scenes rather than out their in public view. You could be happiest as a writer, scientist - being a leader in your field with very insightful and original explanations for mystery and problems but a quiet achiever. - Have fun calculating!