Convert Roman Numeral (apostrophus) (Roman Numerals) to Undecimal Number (radix 11) (Other Radix Numerals)

This conversion page only works with integer numbers. Fractions are not supported. You computer needs to be able to display unicode characters.
? Conversion settings:
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Conversion settings explained

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Number of significat figures

Do you want rounded off figures or scientifically precise ones? For everyday conversions we recommend choosing 3 or 4 significant digits. If you want maximum precision, set the number to 9

Digit groups separator

Choose how you want to have your digit groups separated in long numbers:

1234567.89none
1 234 567.89space
1,234,567.89comma
1.234.567,89point

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  • Significant figures:
  • Digit groups separator:
Roman numeral (apostrophus)
Roman numerals
undecimal number (radix 11)
Other Radix Numerals

This page features online conversion from Roman numeral (apostrophus) to undecimal number (radix 11). These units belong to different measurement systems. The first one is from Roman Numerals. The second one is from Other Radix Numerals.

If you need to convert other units, please start with the home page. You can also switch to the converter for undecimal number (radix 11) to Roman numeral (apostrophus).

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Did you know?
In medieval and ancient times usage of Roman numerals was not consistent. For example, you could find both VIII and IIX to designate eight even in the same document.
? Not a valid quaternary number. Please only use digits 0 to 3 ? Not a valid quinary number. Please only use digits 0 to 4 ? Not a valid Greek numeral ? Not a valid undecimal number. Please only use digits 0 to 9 and letter A ? Not a decimal integer. ? Not a valid hexadecimal number. Please only use digits 0 to 9 and letters from A to F ? Not a valid Roman numeral ? Not a valid binary number. Please only use digits 0 and 1 ? Not a valid ternary number. Please only use digits 0 to 2 ? Not a correct number. ? Not a valid duodecimal number. Please only use digits 0 to 9 and letters A and B ? Not a valid octal number. Please only use digits from 0 to 7

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