# Free formula tools

> Free tools for Excel and Google Sheets formulas. Each runs the Spreadsheet Practice formula engine in the browser, so results are calculated, not guessed.

Source: https://spreadsheetpractice.com/tools · Updated October 29, 2026

## Formula Explainer

Paste an Excel or Google Sheets formula and see every part of it calculated on real data, in order, with each function's arguments named. [Open Formula Explainer](https://spreadsheetpractice.com/tools/formula-explainer)

## Formula converter

Convert formulas from Excel to Google Sheets and back: ARRAYFORMULA, QUERY, SPLIT and TEXTSPLIT, REGEX functions, FILTER and more, with notes on what changes. [Open Formula converter](https://spreadsheetpractice.com/tools/excel-to-google-sheets)

## Function Translator

Excel function names in Spanish, German, French, Portuguese, Italian, Dutch and Polish, and a box that translates a whole formula, separators included. [Open Function Translator](https://spreadsheetpractice.com/tools/function-translator)

## Practice on your own data

Paste a table from Excel, Google Sheets or a CSV and get 10–12 graded formula exercises built from its columns. [Open Practice on your own data](https://spreadsheetpractice.com/tools/practice-on-your-data)

Also: [Formula Lab](https://spreadsheetpractice.com/lab), a free in-browser spreadsheet, and [formula answers you can test](https://spreadsheetpractice.com/formulas).

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Spreadsheet Practice (https://spreadsheetpractice.com) teaches spreadsheet formulas by practice: every exercise is graded in a live grid and re-checked on changed data.