42 in Roman Numerals

XLII

42 in Roman numerals is XLII, and is spelled forty-two.

How 42 breaks down

To write 42 in Roman numerals, combine XL (40) and II (2) to get XLII.

ValueRoman
40XL
2II
42XLII

You can open 42 in the converter or browse the full Roman numerals chart.