Manage BankrollManageBankroll.com

Roman Numeral Converter

Convert between numbers and Roman numerals (I, V, X, L, C, D, M)

Result:

Invalid (must be 1-3999)

Roman Numeral Guide:

I
1
V
5
X
10
L
50
C
100
D
500
M
1000

Roman Numeral Conversion Rules

  • I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1000
  • When a smaller value appears before a larger value, subtract it (IV = 4)
  • When a smaller value appears after a larger value, add it (VI = 6)