Unit conversion is a multi-step process that involves multiplication or division by a numerical factor, selection of the correct number of significant digits, and rounding. This multi-step process is presented in NIST SP - (Section ), including a rounding procedure for technical documents, specifications, and other applications Several of the most commonly needed English-metric conversion factors are listed in Table on the next page. Because the English inch is defined as cm, the number in this value is exact. The numbers in the other conversion factors in Table are not exact. 2Table A.2 in Appendix A shows some useful English-English conversion :// * SI Units: International System of Units. Note: In the table above the common units and SI units in each row are not equivalent in value, i.e., 1 curie does not equal 1 becquerel, but they both measure the same parameter. See Conversion Equivalence. top of page Measuring out ingredients is usually an easy task as long as you don't need to convert your measurements! Every cook has probably encountered a situation where the measuring spoon they need seems to have disappeared. Remembering just how many tablespoons equal half a cup can be tricky, especially if you're in the middle of a complicated ://

Review the size of grams and kilograms and how to convert between the two. Then, try some practice :// /imp-unit-conversion/a/metric-units-of-mass-review. Table gives the fundamental SI units that are used throughout this textbook. This text uses non-SI units in a few applications where they are in very common use, such as the measurement of blood pressure in millimeters of mercury (mm Hg). Whenever non-SI units are discussed, they will be tied to SI units through :// Appendix C: Units and conversion tables One atmosphere (arm) = lbs/in (psi) Pressure head in feet = psi One standard atmosphere is the pressure exerted by a column of mercury exactly 76 cm high of density g/cm2, in a place where the acceleration due to gravity is cm/s2. 1 atm = ( m) ( x ) () m/s Measuring energy in food. Food calories are a measure of energy in food. One food calorie is equal to 1, calories, or 1 kilocalorie. For example, the energy in a food calorie ice cream cone is about the same as the amount of electricity required to light /units-and-calculators/

Factors for converting from one system of units to another may be obtained by taking ratios of quantities listed in the table on the inside front cover of this book. A larger table of conversion factors is given on the inside back cover of the Chemical Engineers' Handbook 1, and still another table is given on pp through of the Unit Pascal bar millibar Torr millitorr inch Pressure Conversion Table and Vacuum Terminology p r e s s u r e. Jüraen H. Gross Mass Spectrometry A TextboOk 2nd Edition Sp.—x. Title: pressure_conversion Author: jg Created Date: