Number System Converters
Convert between binary, decimal, hexadecimal, octal, and Roman numerals.
Binary to Decimal
Convert binary numbers to decimal.
Decimal to Binary
Convert decimal numbers to binary.
Hexadecimal to Decimal
Convert hex to decimal.
Decimal to Hexadecimal
Convert decimal to hex.
Binary to Hexadecimal
Convert binary to hex.
Hexadecimal to Binary
Convert hex to binary.
Decimal to Octal
Convert decimal to octal.
Octal to Decimal
Convert octal to decimal.
Roman Numeral Converter
Convert between Roman numerals and numbers.
Numbers to Words
Convert numbers to English words.
Words to Numbers
Convert English words to numbers.
Binary to Octal
Convert binary to octal.
Octal to Binary
Convert octal to binary.
Binary Calculator
Perform arithmetic on binary numbers.
Hex Calculator
Perform arithmetic on hexadecimal numbers.
ASCII to Binary
Convert ASCII text to binary.
ASCII to Decimal
Convert ASCII text to decimal codes.
Roman Numeral to Number
Convert Roman numerals to decimal numbers.
Number to Roman Numeral
Convert numbers to Roman numerals.