Guides, charts and downloads
Formula reference
Percentage formulas cheat sheet
Ten formulas, baseline comparisons and a one-page PDF to print or save.
Spreadsheet guide
Percentage formula in Excel
Copyable formulas, fixed cell references and a workbook with editable examples.
Conversion chart
Fraction, decimal and percentage chart
Twenty-two common equivalents, repeating-decimal labels and a printable PDF.
Start with the question you need to answer
- Which formula should I use? Start with the formula sheet.
- How do I calculate this in Excel? Open the Excel guide and follow the cell examples.
- What is the equivalent decimal or fraction? Find it in the conversion chart.
- Can I see an answer with real numbers? Browse our 24 worked examples.
Already know your numbers? Choose from all percentage calculators. Our calculation methodology explains input conventions, rounding and limits.