Excel Column Converter

Convert between Excel column letters and numbers. A=1, Z=26, AA=27, etc.

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How to Use Excel Column Converter

  1. Enter a column letter (like AA) to get the number
  2. Or enter a number to get the column letter
  3. Supports columns up to XFD (16384)
  4. See quick reference for common columns

About Excel Column Converter

Convert between Excel column letters (A, B, ... Z, AA, AB...) and numbers (1, 2, ... 26, 27, 28...). Essential for spreadsheet formulas, programming, and data analysis.

Frequently Asked Questions

What's the maximum Excel column?

Excel supports up to column XFD (16,384). Earlier versions stopped at IV (256).

Why do I need this?

When writing formulas, macros, or code that references spreadsheet columns, you often need to convert between letters and numbers.

Is this for Google Sheets too?

Yes, Google Sheets uses the same A=1, B=2 column system as Excel.

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