I = 1 V = 5 X = 10 L = 50 C = 100 D = 500 M = 1'000 A = 5'000 B = 10'000 E = 50'000 F = 100'000 G = 500'000 H = 1'000'000 J = 5'000'000 K = 10'000'000 N = 50'000'000 O = 100'000'000 P = 500'000'000 Q = 1'000'000'000 R = 5'000'000'000 S = 10'000'000'000 T = 50'000'000'000 U = 100'000'000'000 W = 500'000'000'000 Y = 1'000'000'000'000 Z = 5'000'000'000'000 # Parens multiply by this each (I) = 10'000'000'000'000