A gematria calculator is a tool used to compute the numerical value of words or phrases based on the principles of gematria, a form of Jewish mysticism that involves the practice of assigning numerical values to letters within words. The term gematria is derived from the Greek word geōmetria, meaning "geometry," but in Hebrew, it is referred to as גימטריה. This practice is rooted in the belief that words with the same numerical value share a mystical connection. Gematria calculators are commonly used in Kabbalistic studies and have applications in various forms of Jewish scholarship and spiritual exploration. The numerical values assigned to letters are based on the Hebrew alphabet, where each letter corresponds to a specific number. For example, the letter א (Aleph) is assigned the value 1, ב (Bet) is 2, and so on. Similar practices exist in other languages and cultures, such as the Greek isopsephy and the Arabic abjad numerical system. Gematria calculators facilitate the quick and accurate computation of these values, aiding in the analysis of religious texts and the exploration of hidden meanings within words.