40 in Roman Numerals
XL
Roman numeral for 40
The number 40 is written as XL in Roman numerals.
Convert any number — 1 to 3,999,999
How XL is formed
| XL | 40 | |
| XL | 40 |
About this number
Uses subtractive notation: XL (40). Written with 2 characters.
Base Symbols
I=1V=5X=10L=50C=100D=500M=1000
See also: What is XL? · Chart 1–100