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Measurement Conversions
What You Need to Know About Conversions
Related Resources
Online Converters
• Converters and Calculators
Math and HTML
Math Glossary

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.

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
1 square mile 640 acres
1 acre 43.560 feet squared
1 square meter 10.76 feet squared
1 square foot 929 centimeters squared
1 US Gallon 3.785 litres
1 British Gallon 1.201 US gallon
1 US Quart .946 litre
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)
1 Pound .453 Kilogram, 16 ounces, 453 grams
1 Ounce 28 grams
1 Kilogram 2.2 pounds

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