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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:

Duodecimal (Base 12) to Binary (Base 2)
Ternary (Base 3) to Decimal (Base 10)
Knot to Kilometer per hour
Quarter to Pound
Yottagram to Zeptogram
Fahrenheit to Kelvin
Decimeter to Meter
Terabyte to Megabyte
Zeptogram to Gigagram
Stone to Ounce
Minute to Second
Speed of light to Speed of sound
Quarter (US) to Hundredweight (British)
Meter per hour to Foot per hour
Ton to Quarter

Other conversions:

Date to Zodiac (Western)
Unicode to Unicode for HTML (hexadecimal)
Text to Unicode for HTML (hexadecimal)
Text to Unicode for HTML (decimal)
Unicode to Text
Date to Zodiac (Tropical)
Unicode to Unicode for HTML (decimal)
Resolution to Megapixel
Text to Unicode
Mini PNG - Code snippets
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