33 in Roman numerals
33 is written XXXIII. In chunks: X (10) + X (10) + X (10) + I (1) + I (1) + I (1) = 33.
The answer
XXXIII
33 in Roman numerals is XXXIII.
How XXXIII is built
To write it, split 33 into 30 + 3. 30 is XXX, 3 is III, so 33 is XXX then III: XXXIII.
To read it, XXXIII has 6 chunks, and none of them is a take-away pair, so every chunk is added.
| Chunk | Worth | Why |
|---|---|---|
| X | 10 | Add |
| X | 10 | Add |
| X | 10 | Add |
| I | 1 | Add |
| I | 1 | Add |
| I | 1 | Add |
The mistake to watch for
Miscounting the letters in XXXIII
XXXIII is three X's then three I's, all added together. One letter more or fewer makes a different number: XXXII is 32.
Check it with the converter
Change XXXIII by one letter to see which number you get. The rule numbers it gives are the three rules on the Roman numerals page.
Converter set to XXXIII (33).
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Questions parents ask
What is 33 in Roman numerals?
33 is XXXIII.
What comes before and after XXXIII?
32 is XXXII and 34 is XXXIV.
Does XXXIII use subtraction?
No. Every letter in XXXIII is the same size as, or smaller than, the letter before it, so you just add them all.
What is the biggest letter in XXXIII?
X, which is 10. XXXIII has 6 letters.
Where might you see XXXIII?
Paris 2024 was officially the Games of the XXXIII Olympiad.
Careful reading is an 11+ skill
Reading all 6 letters of XXXIII in order is the careful checking 11+ papers reward. The free diagnostic covers all four subjects, with no card needed.