# Conversion Factors

Table A.2   The Relationship Between English and Metric Length Units   Both four and eight digits are given for each relationship. Four digits will be used for almost all of the English‑metric conversions done in this text.

 Metric English English Metric kilometer (km) 0.6214 mi 0.62137119 mi mile (mi) 1.609 km 1.609344 km (exact) 3281 ft 3280.8399 ft 1609 m 1609.344 m (exact) meter (m) 3.281 ft 3.2808399 ft 39.37 in. 39.370079 in. yard (yd) 0.9144 m (exact) 1.094 yd 1.0936133 yd 91.44 cm (exact) centimeter (cm) 0.3937 in. 0.39370079 in. 0.03281 ft 0.032808399 ft foot (ft) 30.48 cm (exact) millimeter (mm) 3.937 x 10-2 in. 3.9370079 x 10-2 in. 0.3048 m (exact) micrometer (mm) 3.937 x 10-5 in. 3.9370079 x 10-5 in. nanometer (nm) 3.937 x 10-8 in. 3.9370079 x 10-8 in. inch (in.) 2.54 cm (exact) 0.0254 m (exact)

Table A.3   The Relationship Between English Mass Units and Metric Mass Units   Both four and eight digits are given for each relationship. Four digits will be used for almost all of the English‑metric conversions done in this text.

 Metric Mass English Mass English Mass Metric Mass metric ton (ton) 1.102 ton (short) 1.1023113 ton (short) ton (ton) 0.9072 metric tons 0.90718474 metric tons 2205 lb 2204.6226 lb 907.2 kg 907.18474 kg kilogram (kg) 2.205 lb 2.2046226 lb 0.001102 ton 0.0011023113 ton pound (lb) 453.6 g 453.59237 g gram (g) 0.002205 lb 0.0022046226 lb 0.4536 kg 0.45359237 kg 0.03527 oz 0.035273962 oz milligram (mg) 3.527 x 10-5 oz 3.5273962  x 10-5 oz ounce (oz) 28.35 g 28.349523 g microgram (mg) 3.527 x 10-8 oz 3.5273962  x 10-8 oz 2.835 x 104 mg 2.8349523  x 104 mg

Table A.4   The Relationship Between English and Metric Volume Units   Both four and seven digits are given for each relationship. Four digits will be used for almost all of the English‑metric conversions done in this text.

 Metric English English Metric liter (L) 1.057 qt 1.056718 qt gallon * (gal) 3.785 L 3.785306 L 0.2642 gal 0.2641795 gal 3785 mL 3785.306 mL 33.81 fl oz 33.81498 fl oz quart * (qt) 0.9463 L 0.9463264 L 61.03 cu in. 61.02545 cu in. 946.3 mL 946.3264 mL milliliter (mL) 0.03381 fl oz 0.03381497 fl oz fluid ounce * (fl oz) 0.02957 L 0.02957270 L 0.06103 cu in. 0.06102545 cu in. 29.57 mL 29.57270 mL microliter ( mL) 3.381 x 10-5 fl oz 3.381497 x 10-5 fl oz cubic inch (cu in.) 16.39 cm3 16.387064 cm3 (exact) cubic centimeter (cm3) 0.03381 fl oz 0.03381497 fl oz 16.39 mL 16.387064 mL (exact) 0.06103 cu in. 0.06102545 cu in. 0.1634 L 0.16387064 L (exact)

* There are three kinds of gallons, quarts, and fluid ounces: British, U.S. dry, and U.S. liquid. The values given here are for U.S. liquid gallons, quarts, and fluid ounces.