What do Roman Numerals go up to?

Answer 1

== == The largest single Roman Numeral is M = 1,000However much larger numbers can be made by stringing together many numerals, and another Roman convention was a bar across the top of a number to indicate it was a multiple of 1000 times its normal value. _ M (with bar on top) = 1,000,000

Answer 2

Roman Numerals go up to M, which represents the number 1000.