|
To Convert From |
To |
Multiply By |
Length |
miles (mi) |
meters (m) |
1609.3 |
|
feet (ft) |
meters (m) |
.3048 |
|
inches (in) |
meters (m) |
.0254 |
|
|
|
|
Area |
square feet (ft2) |
square meters (m2) |
9.29 x 10–2 |
|
square inches (in2) |
square meters (m2) |
6.452 x 10–4 |
|
|
|
|
Volume |
cubic feet (ft3) |
cubic meters (m3) |
.0283 |
|
fluid ounces — US (fl oz) |
cubic meters (m3) |
2.957 x 10–5 |
|
gallons — US (gal) |
cubic meters (m3) |
3.785 x 10–3 |
|
|
|
|
Volume per Unit Time |
ft3/min |
m3/s |
4.719 x 10–4 |
|
in3/min |
m3/s |
2.732 x 10–7 |
|
|
|
|
Mass |
ounces (oz) |
kilograms (kg) |
.0283 |
|
pounds (lb) |
kilograms (kg) |
.4536 |
|
ton-short (2000lb) (T) |
kilograms (kg) |
907.185 |
|
|
|
|
Mass per Unit Area |
oz/ft2 |
kg/m2 |
.3052 |
|
|
|
|
Mass per Unit Time |
lb/h |
kg/s |
1.26 x 10–4 |
|
|
|
|
Mass per Unit Volume |
g/cm3 |
kg/m3 |
1000 |
|
oz(avoirdupois)/in3 |
kg/m3 |
1730 |
|
lb/in3 |
kg/m3 |
2.768 x 104 |
|
lb/ft3 |
kg/m3 |
16.018 |
|
|
|
|
Volume per Unit Time |
ft3/min |
m3/s |
4.719 x 10–4 |
|
in3/min |
m3/s |
2.732 x 10–7 |
|
gal/min |
m3/s |
6.309 x 10–5 |
|
|
|
|
Velocity |
ft/min |
m/s |
5.08 x 10–3 |
|
in/s |
m/s |
.0254 |
|
mi/h |
m/s |
.447 |
|
|
|
|
Viscosity |
poise (P) |
pascal-second (Pa•s) |
.1 |
|
stokes (St) |
m2/s |
10–4 |
|
|
|
|
Force |
dyne |
Newton (N) |
10–5 |
|
kgf |
Newton (N) |
9.807 |
|
lbf |
Newton (N) |
4.448 |
|
|
|
|
Force per Unit Length |
lbf /ft |
N/m |
14.594 |
|
|
|
|
Stress per Unit Area |
Atmosphere (standard) |
Pa |
1.0133 x 105 |
|
torr (mm Hg 0°C) |
Pa |
133.32 |
|
inches of Hg (60°F) |
Pa |
3376.9 |
|
inches of H2O (60°F) |
Pa |
248.84 |
|
lbf /in2 |
Pa |
6894.8 |
|
centimeters of Hg (0°C) |
Pa |
1333.2 |
|
kgf /cm2 |
Pa |
9.807 x 104 |
|
|
|
|
Energy |
Btu (International) |
Joule (J) |
1055.06 |
|
ft•lbf |
Joule (J) |
1.356 |
|
Kilowatt hour (kW•h) |
Joule (J) |
3.6 x 106 |
|
calorie (cal)(International) |
Joule (J) |
4.1868 |
|
|
|
|
Energy per Unit Area Time |
Btu(International)/(ft2•s) |
W/m2 |
1.136 x 104 |
|
erg/(cm2•s) |
W/m2 |
10-3 |
|
|
|
|
Heat |
Btu(Int'l)•in/(hr•ft2•°F) |
W/(m•°K) |
.144 |
|
Btu(Int'l)•in/(s•ft2•°F) |
W/(m•°K) |
519.22 |
|
cal(Int'l)/g |
J/kg |
4186.8 |
|
Btu(Int'l)/(lb•°F) |
J/(kg•°K) |
4186.8 |
|
cal(Int'l)/(g•°C) |
J/(kg•°K) |
4186.8 |
|
|
|
|
Power |
Btu(Int'l)/s |
W |
1055.1 |
|
cal (Int'l)/s |
W |
4.187 |
|
erg/s |
W |
10-7 |
|
ft•lbf /s |
W |
1.356 |
|
Horsepower (hp) 550 ft•lb/s |
W |
745.7 |
|
|
|
|
Temperature |
°C |
°K |
Tk=Tc +
273.15 |
|
°F |
°C |
Tc=(Tf –
32)/1.8 |
|
|
|
|
Light |
cd/in2 |
cd/m2
(candela/sq. meter) |
1550 |
|
|
|
|