Printable SI Prefix and Sig Fig Chart
This one-page sheet is for students and anyone working with scientific notation, measurement, or unit conversion. It includes an SI prefix chart with columns for Prefix, Symbol, and Factor, plus common rows such as tera, giga, and mega. The sheet also lists significant-figure rules: non-zero digits count, zeros between digits count, leading zeros never count, and trailing zeros count after a decimal point.
Free printable · PDF
- 1 page
- US Letter — choose “Fit to page” for A4
- PDF, 85 KB
Free for personal, family and classroom use.
Use the chart to match prefixes to powers of ten while solving conversions or checking unit sizes. Keep the sig-fig rules nearby when rounding answers, comparing measurement precision, or writing numbers in scientific form.
Good for
- Convert units using SI prefixes
- Check significant figures in answers
- Review powers of ten quickly
Tip: Print one copy for notebooks and one for calculator work so the prefix chart stays visible.
2 files · PDF, DOCX, XLSX
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This sheet plus 1 more in one download, with the editable Word and Excel files. Printable scientific notation practice sheets with answer keys, an SI prefix chart and a significant figures rule card.
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Scientific Notation Practice Sheets