Step by step
- Recognise them on clocks, in names of kings and popes, and in chapters.
- Read them with the add and subtract rules.
- Convert any of them in the tool above.
At a glance
| Use today | Example | Why |
|---|---|---|
| Monarchs and popes | Charles III, Leo XIV | Tradition |
| Clock faces | XII, IIII | Classic look |
| Events and sequels | Super Bowl LX, Rocky II | Prestige and order |
Related questions
Why did Roman numerals lose out?
They have no zero or place value, which makes arithmetic hard.
Did Romans do maths with them?
They calculated with counting boards and the abacus, then wrote results in numerals.
Why are film years written in Roman numerals?
It was a tradition in credits; some say it also made the release year harder to spot.
More questions: roman numeral converter
- How to write a date or year in Roman numerals
- How to read and convert Roman numerals
- Roman numerals chart 1 to 100
- What are the seven Roman numerals?
- Why is 4 written IV and not IIII?
- Why is 99 written XCIX and not IC?
- How to type Roman numerals in Word, Google Docs and Excel
- How to write numbers above 3999 in Roman numerals
Open the full roman numeral converter →
Updated November 14, 2026.