Write the full name exactly as you want to calculate it
Assign each letter a number using a numerology chart
Use the Pythagorean chart:
A, J, S = 1
B, K, T = 2
C, L, U = 3
D, M, V = 4
E, N, W = 5
F, O, X = 6
G, P, Y = 7
H, Q, Z = 8
I, R = 9
Add the numbers for all letters in the name
Reduce the total to a single digit by adding the digits together
Keep reducing until you get one digit
Do not reduce master numbers 11, 22, or 33 if using that system
Use the final reduced number as the name numerology number
