What is the ratio of vowels to consonant in alphabet?

Here's how to determine the ratio of vowels to consonants in the alphabet:

* Vowels: A, E, I, O, U (5)

* Consonants: B, C, D, F, G, H, J, K, L, M, N, P, Q, R, S, T, V, W, X, Y, Z (21)

Ratio: 5 vowels : 21 consonants

This can be simplified as 5:21.