# xi Convert to Number

## Enter Number or Roman Numeral

Convert XI to a number:

Roman Numeral Values:
N = 0, I = 1, V = 5
X = 10, L = 50, C = 100
D = 500, M = 1,000.
Assign values to each letter in XI

## Letter 1 is X = 10

The next letter I has a lower value of 1
Assign a positive value to X
Add 10 to our sum of 0
10 + 0 = 10

## Letter 2 is I = 1

The next letter has a lower value of 0
Assign a positive value to I
Add 1 to our sum of 10
1 + 10 = 11

11

11

### How does the Roman Numeral Conversions Calculator work?

Converts a Positive integer less than 4000 to a Roman Numeral.
Converts a Roman Numeral with a positive value less than 4000 to a number.
This calculator has 1 input.

### What 1 formula is used for the Roman Numeral Conversions Calculator?

For more math formulas, check out our Formula Dossier

### What 7 concepts are covered in the Roman Numeral Conversions Calculator?

conversion
a number used to change one set of units to another, by multiplying or dividing
division
separate a number into parts
integer
a whole number; a number that is not a fraction
...,-5,-4,-3,-2,-1,0,1,2,3,4,5,...
mnemonic
a device such as a pattern of letters, ideas, or associations that assists in remembering something
Examples include ROYGBIV or Rainbow Colors
roman numeral
any of the letters representing numbers in the Roman numerical system: I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1,000. In this system, a letter placed after another of greater value adds (thus XVI or xvi is 16), whereas a letter placed before another of greater value subtracts (thus XC or xc is 90).
roman numeral conversions
total
comprising the whole number or amount