Ludus Numerorum

Roman Numeral Trainer

Convert between Roman and decimal numbers, in either direction. 60 seconds. Beat your best.

Choose A Difficulty Easy 1–99 Medium 1–999 Hard 1–3888

Choose A Direction Roman To Decimal Decimal To Roman Mixed (Random)

Training Round — Easy

Time60

Score0

Streak0

Multiplier1×

What Is This Numeral?

MMXXIV

0Final Score

0Correct

0Wrong

0Best Streak

0%Accuracy