CIVIL ENGINEERING FORMULAS

CONVERSION FACTORS FOR CIVIL ENGINEERING PRACTICE 5

TABLE 1.3 Factors for Conversion to SI Units of Measurement
(Continued)

To convert from To Multiply by

Foot per second Meter per second 3.048000† E 01
squared, ft/s^2 squared, m/s^2
Footcandle, fc Lux, lx 1.076391 E 01
Footlambert, fL Candela per square 3.426259 E 00
meter, cd/m^2
Foot pound force, ftlbf Joule, J 1.355818 E 00
Foot pound force per Watt, W 2.259697 E 02
minute, ftlbf/min
Foot pound force per Watt, W 1.355818 E 00
second, ftlbf/s
Foot poundal, ft Joule, J 4.214011 E 02
poundal
Free fall, standard g Meter per second 9.806650† E 00
squared, m/s^2
Gallon, gal (Canadian Cubic meter, m^3 4.546090 E 03
liquid)
Gallon, gal (U.K. Cubic meter, m^3 4.546092 E 03
liquid)
Gallon, gal (U.S. dry) Cubic meter, m^3 4.404884 E 03
Gallon, gal (U.S. Cubic meter, m^3 3.785412 E 03
liquid)
Gallon, gal (U.S. Cubic meter per 4.381264 E 08
liquid) per day second, m^3 /s
Gallon, gal (U.S. Cubic meter per 6.309020 E 05
liquid) per minute second, m^3 /s
Grad Degree (angular) 9.000000† E 01
Grad Radian, rad 1.570796 E 02
Grain, gr Kilogram, kg 6.479891† E 05
Gram, g Kilogram, kg 1.000000† E 03
Hectare, ha Square meter, m^2 1.000000† E 04
Horsepower, hp Watt, W 7.456999 E 02
(550 ftlbf/s)
Horsepower, hp Watt, W 9.80950 E 03
(boiler)
Horsepower, hp Watt, W 7.460000† E 02
(electric)
horsepower, hp Watt, W 7.46043† E 02
(water)
Horsepower, hp (U.K.) Watt, W 7.4570 E 02
Hour, h Second, s 3.600000† E 03
Hour, h (sidereal) Second, s 3.590170 E 03

Inch, in Meter, m 2.540000† E 02

(Continued)