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Home›Calculators›Ancient Mathematics — Roman

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Ancient Mathematics — Roman Calculators

Roman numerals, arithmetic, measures, centuries and place-value learning tools.

17 calculators

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Ancient Mathematics — Roman calculators

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Ancient Mathematics — Roman · General Decimal to Roman Numeral Calculator Convert a decimal integer from 1 to 3999 into standard modern Roman numeral notation.

Ancient Mathematics — Roman · General Roman Abacus Place Value Calculator Break a decimal number into thousands, hundreds, tens, and ones for Roman-abacus-style place-value study.

Ancient Mathematics — Roman · General Roman Century Number Calculator Convert a year into its numbered century.

Ancient Mathematics — Roman · General Roman Feet to Passus Calculator Convert Roman feet to passus using 5 feet per passus.

Ancient Mathematics — Roman · General Roman Fraction of an As Calculator Express unciae as a fraction of the Roman as using 12 unciae per as.

Ancient Mathematics — Roman · General Roman Mile to Passus Calculator Convert Roman miles to passus using the traditional 1,000 passus per mile.

Ancient Mathematics — Roman · General Roman Numeral Addition Calculator Add two Roman numerals and return both decimal and Roman results.

Ancient Mathematics — Roman · General Roman Numeral Division Calculator Divide Roman numeral values and show quotient and remainder.

Ancient Mathematics — Roman · General Roman Numeral Multiplication Calculator Multiply two Roman numerals and return decimal and Roman results when within standard range.

Ancient Mathematics — Roman · General Roman Numeral Subtraction Calculator Subtract two Roman numerals and return decimal and Roman results when positive.

Ancient Mathematics — Roman · General Roman Numeral to Decimal Calculator Convert a standard Roman numeral into a decimal integer.

Ancient Mathematics — Roman · General Roman Year Numeral Calculator Convert a year number to a Roman numeral for historical-style display.

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