Excel column name and number converter
Compare A, AA, XFD and one-based column numbers in batches without uploading a workbook.
It is only processed in the browser, not uploading or saving. Leaving the page will be cleared; the calculation can also be cleared and the result can be discarded. Do not enter other people's credentials or private keys.
Excel column name and number converter User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- Enter Z, AA and 16384 to see their corresponding values: 26, 27 and XFD.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Convert both ways using bijective base 26, within the modern Excel range of 1 to 16384 columns.
scope of use
Up to 100 items. Cell addresses such as A1, column ranges and legacy XLS compatibility are not interpreted.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Up to 100 items. Cell addresses such as A1, column ranges and legacy XLS compatibility are not interpreted. Please compare the input unit, rounding method, applicable rules and data version first.