inches

25.4

millimeters

mm

feet

0.305

meters

m

yards

0.914

meters

m

miles

1.61

kilometers

km

millimeters

0.039

inches

in

meters

3.28

feet

ft

meters

1.09

yards

yd

kilometers

0.621

miles

mi

square inches 
645.2 
square millimeters 
mm^{2} 
square feet 
0.093 
square meters 
m^{2} 
square yards 
0.836 
square meters 
m^{2} 
acres 
0.405 
hectares 
ha 
square miles 
2.59 
square kimlometers 
km^{2} 
square millimeters 
0.0016 
square inches 
in^{2} 
square meters 
10.764 
square feet 
ft^{2} 
square meters 
1.195 
square yards 
yd^{2} 
hectares 
2.47 
acres 
ac 
square kilometers 
0.386 
square miles 
mi^{2} 
fluid ounces 
29.57 
milliliters 
mL 
gallons 
3.785 
liters 
L 
cubic feet 
0.028 
cubic meters 
m^{3} 
cubic yards 
0.765 
cubic meters 
m^{3} 
milliliters 
0.034 
fluid ounces 
fl oz 
liters 
0.264 
gallons 
gal 
cubic meters 
35.71 
cubic feet 
ft^{3} 
cubic meters 
1.307 
cubic yards 
yd^{3} 
ounces 
28.35 
grams 
g 
pounds 
0.454 
kilograms 
kg 
short tons (2000 lb) 
0.907 
megagrams (or "metric ton") 
Mg
(or "t") 
grams 
0.035 
ounces 
oz 
kilograms 
2.202 
pounds 
lb 
megagrams (or "metric ton") 
1.103 
short tons (2000 lb) 
T 
Fahrenheit temperature 
5(F32)/9 or
(F32)/1.8 
Celcius temperature 
°C 
Celcius temperature 
1.8C + 32 
Fahrenheit temperature 
°F 
footcandles 
10.76 
lux 
lx 
footLamberts 
3.426 
candela/m^{2} 
cd/m^{2} 
lux 
0.0929 
footcandles 
fc 
candela/m^{2} 
0.2919 
footLamberts 
fl 
poundforce 
4.45 
newtons 
N 
poundforce per square inch 
6.89 
kilopascals 
kPa 
newtons 
0.225 
poundforce 
lbf 
kilopascals 
0.145 
poundforce per square inch 
lbf/in^{2} 


