Roman number XLII to decimal

The Roman number XLII is equivalent to the number 42 (forty-two).

42
XLII

XLII = 42
The Roman numbering system (Roman numerals) was created in Ancient Rome, and was used throughout the Roman Empire. It consists of seven capital letters of the Latin alphabet: I, V, X, L, C, D and M.
Keywords: How is the number 42 in Romano, How to write 42 in Roman numerals