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preface to fifteenth edition

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GENERAL INFORMATION, CONVERSION TABLES, AND MATHEMATICS 2.39<br />

TABLE 2.7<br />

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

Toconvert In<strong>to</strong> Multiply by<br />

Cubic foot (continued) gallon (British) 6.228 835<br />

gallon (U.S.) 7.480 519<br />

liter 28.316 847<br />

Cubic foot per hour liter per minute 0.471 947<br />

Cubic foot per pound cubic meter per kilogram 0.062 428 0<br />

Cubic foot-atmosphere Btu 2.719 48<br />

calorie 685.298<br />

joule 2869.205<br />

kilogram-meter 292.577<br />

liter-atmosphere 28.3168<br />

watt-hour 0.797 001<br />

Cubic inch cubic foot (1/1728)<br />

milliliter* 16.387 064<br />

Cubic inch per minute cubic centimeter per second 0.273 118<br />

Cubic kilometer cubic mile 0.239 913<br />

Cubic meter per kilogram cubic foot per pound 16.0185<br />

Cubic yard bushel (British) 21.0223<br />

bushel (U.S.) 21.6962<br />

cubic foot* 27<br />

cubic meter 0.764 554 86<br />

liter 764.555<br />

Cubic yard per minute cubic foot per second* 0.45<br />

gallon (British) per second 2.802 98<br />

gallon (U.S.) per second 3.366 23<br />

liter per second 12.742 58<br />

Cubit inch* 18<br />

Cup (U.S.) milliliter; centimeter 3 236.6<br />

Cup (metric) cubic centimeter* 200<br />

Curie becquerel* 3.7 10 10<br />

Cycle per second hertz* 1<br />

Dal<strong>to</strong>n kilogram 1.660 54 10 27<br />

unified a<strong>to</strong>mic mass* 1<br />

Day (mean solar) hour* 24<br />

minute* 1440<br />

second* 86 400<br />

Debye coulomb-meter 3.335 64 10 30<br />

Decibel neper 0.115 129 255<br />

Degree (plane angle) circumference (1/366)<br />

gon (grade) 1.111 11<br />

minute (angle)* 60<br />

quadrant (1/90)<br />

radian<br />

(/180)<br />

revolution (1/360)<br />

second (angle)* 3600<br />

Degree (angle) per foot radian per meter 0.057 261 5<br />

Degree (angle) per second radian per second 0.017 453 3<br />

Degree Celsius degree Fahrenheit* 1.8<br />

degree Rankine* 1.8<br />

kelvin* 1<br />

Degree Fahrenheit degree Celsius (5/9)<br />

Degree Rankine kelvin (5/9)<br />

Denier tex (1/9)<br />

Dipole length (e cm) coulomb-meter 1.602 18 10 21

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