© 2021 DK Enterprises Guidelines and Test Methods Page 1 | 6 Appendix B Guidelines and Test Methods International System of Units (SI) SI is the modern form of the metric units. The values stated in SI units are regarded as standard in the ASTM Designated Standards. Other units of measurements are considered as informational in ASTM Standards. The following two tables characterize 1) the conversion of metric units to U.S. Standard Units Shortcut and 2) a list of metric unit symbols, name and description and/or quantity. Table 1: Shortcut Estimated Conversion of Metric Units to U.S. Standard Units Metric US Standard Conversion (estimated) kg lb. 1 kg = 2 lb. g lb. 500 g = 1 lb. C F C = (F – 30) / 2 mm inch 1 inches = 25 cm cm inch 1 inches = 2.5 mm m ft 1 m = 3.3 ft m yard 1 m = 1 yard km miles 1 mile = 1.6 km l gallon 1 gallon = 3.8 liter l pint 1 liter = 2 pints l FL oz 1 liter = 34 FL oz ml FL oz 500 ml = 17 FL oz ml pint 500 ml = 1 pint Source: Prepared by DK Enterprises 2021
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