42 in Roman numerals

42 = XLII

How to write 42 as a Roman numeral

Split 42 into 40 + 2 and write each part: XL (40) + II (2) = XLII.

XLII uses subtraction: XL = 40. A smaller symbol before a larger one is subtracted.

Roman numeral symbols

SymbolIVXLCDM
Value1510501005001,000

Need another number? Use the Roman numeral converter (both directions).

Numbers near 42

NumberRoman numeral
38XXXVIII
39XXXIX
40XL
41XLI
43XLIII
44XLIV
45XLV
46XLVI

All Roman numeral answers ยท Number to words