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Math: Numeral system converter
Convert common numbers (Hindu-Arabic) to the Roman numeral system.
Please turn on Javascript to let the converter do it's job.
The maximum number is 3999 (MMMCMXCIX).
Hindu-Arabic numerals to Roman numeralsRoman numerals to Hindu-Arabic numerals
All math converters
Positional notation converter (Binary (Base 2), Ternary (Base 3), Quaternary (Base 4), Quinary (Base 5), Octal (Base 8), Decimal (Base 10), Duodecimal (Base 12), Hexadecimal (Base 16), Vigesimal (Base 20), Duotrigesimal (Base 32))
Angle converter (Degree, Grad, Minute of arc, Point, Radian, Second of arc)
Numeral system converter (Hindu-Arabic numerals, Roman numerals)
Math fun fact
111,111,111 x 111,111,111 = 12,345,678,987,654,321
Common conversions:

Quaternary (Base 4) to Vigesimal (Base 20)
Decigram to Femtogram
Radian to Second of arc
Ounce to Stone
Kilometer to Foot
Gram to Yottagram
Yard to Nautical Mile
Speed of sound to Meter per hour
Speed of sound to Mile per hour
Decigram to Megagram (Tonne)
Nanogram to Zettagram
Nanogram to Yoctogram
Newton to Rankine
Second of arc to Degree
Hectogram to Megagram (Tonne)

Other conversions:

Text to Unicode
Resolution to Megapixel
Date to Zodiac (Tropical)
Unicode to Text
Unicode to Unicode for HTML (decimal)
Date to Zodiac (Western)
Unicode to Unicode for HTML (hexadecimal)
Text to Unicode for HTML (decimal)
Text to Unicode for HTML (hexadecimal)
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