Numeral systems converters

Binary Converter Convert binary to decimal, and to every other common base at the same time. Binary to Hexadecimal Converter Convert binary to hexadecimal, and to every other common base at the same time. Binary to Octal Converter Convert binary to octal, and to every other common base at the same time. Decimal to Hexadecimal Converter Convert decimal to hexadecimal, and to every other common base at the same time. Decimal to Octal Converter Convert decimal to octal, and to every other common base at the same time. Gematria Calculator Calculate the gematria value of Hebrew words, with standard and sofit counting. Greek Gematria Calculator Calculate the isopsephy value of Greek words, including digamma, koppa and sampi. Roman Numerals Converter Convert Roman numerals to numbers or numbers to Roman numerals — type either one.