Convert English number words to numeric form (e.g. one thousand two hundred to 1200).
It converts English number words (e.g. twenty-three, one hundred) into their numeric equivalent.
Numbers to Words
Convert numbers to English words (e.g. 1234 to one thousand two hundred thirty-four).
Roman Numeral Converter
Convert between Roman numerals and decimal numbers. Supports standard subtractive notation (IV, IX, XL, etc.).
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal. Supports any base from 2 to 36.
BCD Converter
Convert between BCD (Binary-Coded Decimal), decimal, octal, and hexadecimal.