45 in Roman Numerals
XLV
Roman numeral for 45
The number 45 is written as XLV in Roman numerals.
Convert any number — 1 to 3,999,999
How XLV is formed
| XL | 40 | |
| V | 5 | |
| XLV | 45 |
About this number
Uses subtractive notation: XL (40). Written with 3 characters.
Base Symbols
I=1V=5X=10L=50C=100D=500M=1000
See also: What is XLV? · Chart 1–100