Here you'll find a list
of the most common conversions used internationally. For larger
numbers of units, you may find the online
calculator useful. Many of these unit conversions will not
only be helpful for many of your mathematical word problems but also for
travel between the US and Canada or especially useful for recipe conversions.
Length 
1
inch 
2.540
centimeters 
1
foot 
30.48
centimeters 
1
mile 
1.609
kilometers 
1
centimeter 
0.3937
inches 
1
meter 
39.37
inches or 100 centimeters 
1
kilometer 
0.6214
miles or 1000 meters 
Area 
1
square mile 
640
acres 
1
acre 
43.560
feet squared 
1
square meter 
10.76
feet squared 
1
square foot 
929
centimeters squared 
Volume 

1
US Gallon 
3.785
litres 
1
British Gallon 
1.201
US gallon 
1
US Quart 
.946
litre 
Speed 
1
Mile per hour 
1.609
Kilometer per hour 
1
Kilometer per hour 
.62
Miles per hour 
Temperature
Sea Level 
32
Degrees Fahrenheit 
0
Degrees Celsius (Freezing Point) 
212
Degrees Farenheit 
100
Degrees Celsius (Boiling Point) 
Weight 
1
Pound 
.453
Kilogram, 16 ounces, 453 grams 
1
Ounce 
28
grams 
1
Kilogram 
2.2
pounds 
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