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preface to fifteenth edition

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GENERAL INFORMATION, CONVERSION TABLES, AND MATHEMATICS 2.49<br />

TABLE 2.7<br />

Conversion Fac<strong>to</strong>rs (Continued)<br />

To convert In<strong>to</strong> Multiply by<br />

Pint (U.S., fluid) pint (British) 0.832 674<br />

(continued) quart (U.S., fluid)* 0.5<br />

Planck’s constant joule-second 6.626 08 10 34<br />

Point (printer’s, Didot) millimeter 0.376 065 03<br />

Point (printer’s, U.S.) millimeter* 0.351 459 8<br />

Poise dyne-second per square centimeter* 1<br />

pascal-second* 0.1<br />

Polarizability volume (4 0 cm 3 ) coulomb squared-(meter squared per joule) 1.112 65 10 16<br />

Pole (British) foot* 16.5<br />

Pottle (British) gallon (British)* 0.5<br />

Pound gram* 453.592 37<br />

ounce (weight)* 16<br />

<strong>to</strong>n (long)<br />

4.464 285 7 10 4<br />

<strong>to</strong>n (short) (1/2000)<br />

Pound (troy) grain 5760<br />

gram* 373.241 721 6<br />

ounce (troy)* 12<br />

pennyweight 240<br />

pound (weight) 0.822 857 14<br />

scruple* 288<br />

Pound per cubic foot kilogram per cubic meter 16.018 46<br />

Pound per cubic inch gram per cubic centimeter 27.679 905<br />

pound per cubic foot* 1728<br />

Pound per foot kilogram per meter 1.488 16<br />

Pound per (foot-second) pascal-second 1.488 16<br />

Pound per gallon (U.S.) gram per liter 119.8264<br />

Pound per hour kilogram per day 10.886 22<br />

Pound per inch kilogram per meter 17.857 97<br />

Pound per minute kilogram per hour 27.215 54<br />

Pound per square foot kilogram per square meter 4.882 43<br />

Pound (force) kilogram (force) 0.453 592<br />

new<strong>to</strong>n 4.448 222<br />

poundal32.1740<br />

Pound per square inch atmosphere 0.068 046 0<br />

bar 0.068 948 0<br />

inch of mercury (0C) 2.036 02<br />

millimeter of mercury (0C) 51.7149<br />

millimeter of water (4C) 703.070<br />

pascal6894.757<br />

pound per square foot 144<br />

Pound-second per square inch pascal-second 6894.76<br />

Poundalgram (force) 14.0981<br />

new<strong>to</strong>n 0.138 255<br />

pound (force) 0.031 081 0<br />

Poundalper square foot pascal 1.488 164<br />

Poundal-foot new<strong>to</strong>n-meter 0.042 140 1<br />

Poundal-second per square foot pascal-second 1.488 164<br />

Proof (U.S.) percent alcohol by volume* 0.5<br />

Pro<strong>to</strong>n mass a<strong>to</strong>mic mass unit 1.007 28<br />

gram<br />

1.6726 10 24<br />

Puncheon (British) gallon (British) 70

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