CIVIL ENGINEERING FORMULAS

CONVERSION FACTORS FOR CIVIL ENGINEERING PRACTICE 3

TABLE 1.3 Factors for Conversion to SI Units of Measurement

To convert from To Multiply by

Acre foot, acre ft Cubic meter, m^3 1.233489 E 03
Acre Square meter, m^2 4.046873 E 03
Angstrom, Å Meter, m 1.000000 E 10
Atmosphere, atm Pascal, Pa 1.013250 E 05
(standard)
Atmosphere, atm Pascal, Pa 9.806650 E 04
(technical
1 kgf/cm^2 )
Bar Pascal, Pa 1.000000 E 05
Barrel (for petroleum, Cubic meter, m^2 1.589873 E 01
42 gal)
Board foot, board ft Cubic meter, m^3 2.359737 E 03
British thermal unit, Joule, J 1.05587 E 03
Btu, (mean)
British thermal unit, Watt per meter 1.442279 E 01
Btu (International kelvin, W/(mK)
Table)in/(h)(ft^2 )
(°F) (k, thermal
conductivity)
British thermal unit, Watt, W 2.930711 E 01
Btu (International
Table)/h
British thermal unit, Watt per square 5.678263 E 00
Btu (International meter kelvin,
Table)/(h)(ft^2 )(°F) W/(m^2 K)
(C, thermal
conductance)
British thermal unit, Joule per kilogram, 2.326000 E 03
Btu (International J/kg
Table)/lb
British thermal unit, Joule per kilogram 4.186800 E 03
Btu (International kelvin, J/(kgK)
Table)/(lb)(°F)
(c, heat capacity)
British thermal unit, Joule per cubic 3.725895 E 04
cubic foot, Btu meter, J/m^3
(International
Table)/ft^3
Bushel (U.S.) Cubic meter, m^3 3.523907 E 02
Calorie (mean) Joule, J 4.19002 E 00
Candela per square Candela per square 1.550003 E 03
inch, cd/in^2 meter, cd/m^2
Centimeter, cm, of Pascal, Pa 1.33322 E 03
mercury (0°C)

(Continued)