Formula task library

Excel and Google Sheets Formula Pages

Copyable Excel and Google Sheets formula pages with sample data, common errors, alternatives, and test cases.

Choose a formula by task

Pick a formula by task. Every page includes both Excel and Google Sheets versions, sample data, and common errors.

Lookup formulas

VLOOKUP, XLOOKUP, INDEX MATCH, other-sheet lookups, and multiple-criteria lookup patterns.

Conditional formulas

SUMIF, SUMIFS, COUNTIF, COUNTIFS, AVERAGEIF, AVERAGEIFS, and date-boundary report formulas.

Date formulas

Days between dates, first and last day of month, age, workdays, and due-date calculations.

Text formulas

Split text, extract words, combine cells, remove spaces, and extract text around delimiters.

Cleanup formulas

Find duplicates, count unique values, remove blank rows, and flag duplicate rows.