How to use this office tool
- Select a sheet and category column.
- Use the header-row field to identify column labels.
- The next column to the right is used as the numeric measure.
- Process and download the grouped CSV summary.
#169 · Table Analysis & Summaries Tool
Spreadsheet Average by Category
Group rows by a category column, calculate the average of a numeric column, and download the summary.
Office File Tool
Average by categoryrow
rows
Ad space
What this tool does
Rows are grouped by the selected category column. Numeric values from the following column are averaged per group.
category average = numeric sum ÷ numeric count
The exported file is newly generated in your browser. The uploaded source remains unchanged.
Supported formats
XLSX, XLS, CSV, and TSV are accepted. Browser rewriting does not guarantee preservation of macros, charts, pivots, external links, or every advanced Excel feature.
| Format | Use |
|---|---|
| XLSX / XLS | Workbook input; XLSX output |
| CSV / TSV | Delimited table input |
Tips for better results
- Put the numeric measure immediately after the category column.
- Blank categories are labeled (Blank).
- Non-numeric measure cells are skipped.
FAQ
Which column supplies the values to average?
The tool uses the column immediately to the right of the selected category column.
How are empty and non-numeric values treated?
Non-numeric measure cells are skipped, while empty category cells are grouped under a visible Blank label.
What spreadsheet formats can Spreadsheet Average by Category read?
It accepts XLSX, XLS, CSV, and TSV files. Advanced workbook objects may not be preserved when a new workbook is written.
Are uploaded files sent to a server?
No. Parsing and output generation run locally in the browser; the page does not upload cell data.
How should I protect IDs and leading zeros?
Keep identifier columns formatted as text and enable text protection when available. Always check the preview before exporting.
Related office tools
Processing safeguards
| Check | Behavior |
|---|---|
| Privacy | Local browser processing |
| Preview | Limited to 5–100 rows |
Browse more office tools
Office tool hubsSpreadsheet ConversionConvert Excel, CSV, JSON, HTML, and other table formats.View all
Spreadsheet CleanupRemove duplicates, blanks, extra spaces, and inconsistent values.View all
Merge Split & OrganizeCombine, divide, extract, and arrange workbooks and sheets.View all
CSV & Delimited FilesView, edit, clean, validate, and convert delimited data files.View all