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Converters
Excel Column Converter (Letter ↔ Number)
Convert a spreadsheet column letter (A, B, …, Z, AA, AB, …) into its index number (1, 2, …, 27, …) and back, using Excel and Google Sheets' bijective base-26 system.
Resultado
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Base 26 bijetiva
As colunas de planilha usam um sistema de base 26 bijetivo: A–Z valem 1 a 26, e então AA = 27, AB = 28, …, AZ = 52, BA = 53. Diferente da base 26 comum, não há dígito zero, por isso AA equivale a 27 e não a 0. A última coluna do Excel, XFD, é a de número 16384.
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