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Edit & Clean · browser workspace

CSV Column Calculator - Add Calculated Column

Add a new column with calculated values using math formulas. Column math.

Quick start

Built for add a new column with calculated values using math formulas.

Everything runs in your browser, so you can test the workflow with sample data when available before using production files.

Output: A new file or report produced locally in your browser.

  1. 1Choose a supported file or use sample data when available.
  2. 2Set the options shown for this workflow.
  3. 3Process the file locally, inspect the result, and download a new copy.
Preparing your private workspace…

How to Column Calculator

  1. 1Upload your CSV file
  2. 2Enter formula
  3. 3Download with new column

Why Use This Tool?

  • ✓Math Formulas - +, -, *, /
  • ✓Reference Columns - [ColumnName] syntax
  • ✓New Column - Keep original data

Frequently Asked Questions

How do I reference columns?

Use [ColumnName] in your formula, e.g., [Price] * [Quantity].