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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:

Hectogram to Milligram
Nanogram to Gram
Quaternary (Base 4) to Quinary (Base 5)
Ounce to Ton
Grad to Radian
Speed of sound to Knot
Yottagram to Decigram
Megagram (Tonne) to Zettagram
Yottagram to Kilogram
Quarter to Dram
Grain to Dram
Hour to Minute
Gram to Nanogram
Megabyte to Byte
Pound to Ounce

Other conversions:

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