MathLive

Roman Numerals Practice

Convert Arabic numbers to Roman numerals and back. Practice, race a 60-second quiz, or see how long you can streak. Instant feedback, missed-item review, and a printable chart for I, V, X, L, C, D, and M.

Who·Kids, parents, and teachers practicing Roman numerals (grades ~3–5)

How to practice

Start with Easy: numbers 1–20 (I–XX). Type the Roman numeral or the number you see. When that feels easy, try Medium (1–100, including IV, IX, XL, XC), then Challenge through 3999 (I–MMMCMXCIX). Use Timed for a one-minute sprint; use Streak to find the numerals that still stall you.

Choose a level

Start with 1–20. Then add subtractive pairs, then numbers through 3999.

Direction

Mode

Show printable Roman numeral chart

Roman numeral chart

Roman numeral chart — symbols and subtractive pairs

Values
Symbol	Value
I	1
V	5
X	10
L	50
C	100
D	500
M	1,000

Subtractive pairs
Symbol	Value
IV	4
IX	9
XL	40
XC	90
CD	400
CM	900

Example: 14 is XIV (10 + 4). 1999 is MCMXCIX. Write the largest values first; use subtractive pairs instead of four of the same symbol.

1–20
1I	2II	3III	4IV	5V
6VI	7VII	8VIII	9IX	10X
11XI	12XII	13XIII	14XIV	15XV
16XVI	17XVII	18XVIII	19XIX	20XX