Numeral systems converters

Numeral Systems & Gematria Converters

Convert Binary, Hexadecimal, Decimal, Octal, Roman Numerals, and calculate Gematria values online.

Numeral Systems Converter

Convert between Binary, Octal, Decimal, and Hexadecimal. Enter a value in any input below:

Binary (Base 2)

Decimal (Base 10)

Octal (Base 8)

Hexadecimal (Base 16)

Gematria Calculator

Calculate word values using Hebrew, English, or Simple Gematria systems.

Enter Text or Phrase

Hebrew / Jewish Gematria:

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English Gematria (A=6, B=12...):

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Simple Gematria (A=1, B=2...):

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Greek Gematria (Isopsephy) Calculator

Calculate the numerical value of Greek words or phrases.

Enter Greek Text

Greek Isopsephy Value:

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Roman Numerals Converter

Roman Numeral

Decimal Number