VIIII vs IX

Why nine is IX in standard Roman numerals, not VIIII.

VIIII is not the standard modern canonical form for 9.

IX

9 in Roman numerals is IX.

Check in tool 9 encyclopedia page

What is wrong

Nine is written IX, not VIIII.

Canonical form

IX is produced by this site’s conversion engine for 9.

Related mistakes

IIII vs IV IL vs XLIX IC vs XCIX Roman Numeral Subtractive Pairs