343 in Roman Numerals
CCCXLIII
Roman numeral for 343
The number 343 is written as CCCXLIII in Roman numerals.
Convert any number — 1 to 3,999,999
How CCCXLIII is formed
| C | ×3 | 300 |
| XL | 40 | |
| I | ×3 | 3 |
| CCCXLIII | 343 |
Nearby numbers
About this number
Uses subtractive notation: XL (40). Written with 8 characters.
Base Symbols
I=1V=5X=10L=50C=100D=500M=1000
See also: What is CCCXLIII? · Chart 100–1000