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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:

Attogram to Megagram (Tonne)
Attogram to Nanogram
Ounce to Hundredweight (US)
Grain to Dram
Zeptogram to Kilogram
Ton (British) to Pound
Quarter to Stone
Kilobyte to Megabyte
Foot per hour to Speed of sound
Hundredweight (British) to Quarter (US)
Petagram to Femtogram
Pound to Ton
Decimeter to Meter
Nautical Mile to Foot
Megabyte to Byte

Other conversions:

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