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Physical Measurement Laboratory

Office of Weights and Measures

NIST Handbook 133 - Current Edition

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NIST Handbook 133 Checking the Net Contents of Packaged Goods. 

Current Edition - 2025

as adopted by the 109th National Conference on Weights and Measures (NCWM)

  • Full Document PDF
  • Front Matter DOCX | PDF
  • Table of Contents DOCX | PDF
  • Amendments and Editorial Changes DOCX | PDF
  • Introduction DOCX | PDF
  • Chapter 1. General Information DOCX | PDF
  • Chapter 2. Test Procedures for Packages Labeled by Weight – Gravimetric Testing DOCX | PDF
  • Chapter 3. Test Procedures - For Packages Labeled by Volume DOCX | PDF
  • Chapter 4. Test Procedures – Packages Labeled by Count, Linear Measure, Area, Thickness, and Combinations of Quantities DOCX | PDF
  • Chapter 5.  Specialized Test Procedures DOCX | PDF
  • Appendix A. Tables DOCX | PDF
  • Appendix B. Random Number Tables DOCX | PDF
  • Appendix C. Model Inspection Report Forms DOCX | PDF
  • Appendix D. AOSA Rules for Testing Seeds DOCX | PDF
  • Appendix E. General Tables of Units of Measurement DOCX | PDF
  • Appendix F. Glossary DOCX | PDF
  • Appendix G. Table of Acronyms DOCX | PDF
  • Index DOCX | PDF
  • References DOCX | PDF
Metrology and Weights and measures
Created December 2, 2021, Updated January 2, 2025
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