1. Scope
1.1 Historical Background
2. SI Units
2.1 Classes of Units
2.2 Base Units
2.3 Supplementary Units
2.4 Derived Units
2.5 Mass and Force Units
2.6 Rules for Writing SI Symbols
2.7 Units Formed by Multiplication and Division
3. Multiples and Sub-multiples of SI Units
3.1 SI Prefixes
3.2 Selection of Multiples, Prefixes and Exponents
4. Units Outside the International System
4.1 Units Used with SI
5. Definitions of the Base Units and Supplementary
      Units of the International System of Units
5.1 Base Units
5.2 Supplementary Units
6. Preferred Dimensions and Tolerances
6.1 Basic Millimeter Dimensions
6.2 Tolerances
6.3 Non-millimeter Units
7. Conversion- Non-metric to Metric
7.1 Application
7.2 Interchangeability
7.3 Round Off Practice
7.4 Conversion - Inch to Millimeter Dimensions
7.5 Dimensions of Specific Features
7.6 Conversion - Other Units
8. Module System
8.1 Metric Module
8.2 Diametral Pitch
8.3 Recommended Modules
8.4 Modules < 1
8.5 Conversion
9. Multiples for Use in AGMA Standards
10. Gear Symbols for Use in Metric Standards
10.1 Metric Gear Geometry Symbols
10.2 Metric Gear Performance and Application Symbols
Figures
5.1 Supplementary Units
7.1 Total Variation Incurred by Rounding Off
Tables
2.1 Base Units
2.2 Supplementary Units
2.3 Examples of SI Units Derived from Base and
      Supplementary Units
2.4 Examples of SI Derived Units with Special Names
2.5 Examples of SI Units Derived From Units With
      Special Names
3.1 SI Prefixes
4.1 Other Units of Measurement Used with SI
6.1 Preferred Metric Tolerances and Their Inch
      Equivalents
7.1 Possible Difference Due to Rounding
7.2 Round Off Practice for Toleranced Dimensions
7.3 Conversion of Other Units and Recommended Rounding
      Method
8.1 Metric Modules
9.1 Multiples and Conversion Factors for Use in AGMA
      Standards
10.1 Metric Gear Geometry Symbols
10.2 Metric Gear Performance and Application Symbols