You'll find many writers use Roman Numerals in their Bible references. Below is a brief tool to help you determine the numeric values we use today. This is not meant to be an all-inclusive list so you may have to "calculate" the equivelant of a Roman number.
Roman Numerals use a base numbering system with letters. Base numbers include:
And are combined to make other numbers. Examples are:
Combining a letter before another reduces the second number's value (confusing, isn't it):
Examples of combined letters: