Convert Roman Numeral IV to Number | Roman Numerals Calculator

Convert Roman numeral IV to number. IV = 4 in decimal numbers. Free online Roman numeral converter with explanation.

IV = 4

in decimal numbers

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Roman Numeral Table

M1000

CM900

D500

CD400

C100

XC90

L50

XL40

X10

IX9

V5

IV4

I1

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How to Convert IV to Number

Step 1: IV = 4

Running total: 4

Related Roman Numerals

I

1

V

5

X

10

L

50

C

100

D

500

M

1000

Roman Numeral Rules

Basic Symbols

I (1), V (5), X (10), L (50), C (100), D (500), M (1000)

Subtractive Notation

When a smaller numeral appears before a larger one, subtract the smaller value (e.g., IV = 4, IX = 9, XL = 40)

Repetition Rules

Symbols I, X, C, and M can be repeated up to three times. V, L, and D cannot be repeated.