Article #713 - Conversion Factors and Constants

The following files contain conversion factors and constants sometimes needed in hydrogen analysis work.

• Physical Constants (.xls) (excel, 16 KB) - contains gas constants, heat of vaporization of water, heat of fusion of water, specific heat of air, and density of dry air.
• International System of Units (SI) Prefixes (.xls) (excel, 21 KB) - defines SI prefixes and symbols.