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Study Guide: How To Convert Roman Numerals To Number
Source: https://www.fatskills.com/basic-math/chapter/how-to-convert-roman-numerals-to-number

How To Convert Roman Numerals To Number

By Fatskills Exam Guides Team — the exam nerds behind 28,500+ quizzes and 2.1M practice questions across 500+ global exams.

⏱️ ~1 min read

Roman numerals to decimal number conversion

For roman numeral r: From the following table, find the highest roman numeral (n) with the highest decimal value (v) that is taken from the left part of the roman numeral r:

 

Roman numeral (n) Decimal value (v)
I 1
IV 4
V 5
IX 9
X 10
XL 40
L 50
XC 90
C 100
CD 400
D 500
CM 900
M 1000

 

Tip: Add to the decimal number x the value v of the roman numeral that you found:

x = x + v Repeat stages 1 and 2 until you get all the roman numerals of r.

Related guide: How To Convert Numbers To Roman Numerals


⚡ Recently practiced quizzes in this class
Middle Grade Math And Basic Algebra Multiplication 1 To 28 Basic Arithmetic: Measurements Basic Math Exam Digit, Place Value, & Value Roman Numerals Perfect Squares- Advanced Number Sense Vocab Properties Of Numbers Squares And Square Roots Of Decimals Practice

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