Conversion Formulas

BEGIN WITH 
FORMULA for CONVERTING
(Multiply Number of Units by Conversion Number to Obtain New Number of
Units) 
millimeters (mm) 
millimeters x 0.03937 = inches 
centimeters (cm) 
centimeters x 10 = millimeters
centimeters x 0.3937 = inches 
meters (m) 
meters x 1000 = millimeters
meters x 100 = centimeters
meters x 3.281 = feet
meters per second x 3.281 = feet per second
square meters x 10.76 = square feet
square meters x 1.196 = square yards
square meters x 0.0002471 = square acres
cubic meters x 35.31 = cubic feet
cubic meters x 1.308 = cubic yards
cubic meters x 0.0008107 = acrefeet
cubic meters per second x 35.31 = cubic feet per second
cubic meters per second x 15,850.00 = gallons per minute 
kilometers (km) 
kilometers x 1000 = meters
kilometers x 0.6214 = miles
square kilometers x 0.3861 = square miles
cubic kilometers x 0.2399 = cubic miles 
inches (in) 
inches x 25.4 = millimeters
inches x 2.54 = centimeters
square inch x 6.4516 = square centimeters 
feet (ft) 
feet x 12 = inches
feet x 0.3048 = meters
square feet x 0.09294 = square meters
cubic feet x 0.02832 = cubic meters
acrefoot x 1233 = cubic meters 
yard (yd) 
yard x 3 = feet
yard x 0.9144 = meters 
miles (mi) 
miles x 5280 = feet
miles x 1609.3 = meters
miles x 1.609 = kilometers
square miles x 2.590 = square kilometers
cubic miles x 4.168 = cubic kilometers 
acrefoot (acreft) 
acreft x 1233 = cubic meters 
microradian 
microradian x 0.2 = second of arc 
Temperature
Conversions 
degrees Fahrenheit (F)
degrees Celsius (C) 
(F  32) x 5/9 = C
(C x 1.8) + 32 = F 
(C x 2)  (C x 2 x 0.1) + 32 = F
 a) double the Celsius temperature
 b) subtract 10% of the doubled temperature
 c) add 32

Weights and Measures
(Left Column Equals Right Column) 
1 cup 
= 8 fluid ounces = 4.8 ounces = 137 grams dry weight 
= 8 ounces
= 16 tablespoons
= 48 teaspoons 
1 gallon 
= 0.1337 cubic feet
= 231 cubic inches
= 3.785 liters
= 8.336 pounds of water
= 133.376 ounces of water 
1 liter 
= 0.001 cubic meter
= 1.057 quarts
= 0.2642 gallons
= 0.03531 cubic feet 
1 ounce 
= 0.0625 pounds
= 28.35 grams
= 437.5 grains 
1 pound (Avoirdupois) 
= 16 ounces
= 0.4536 kilograms
= 7000 grains
= 1.2153 pounds Troy 
1 quart 
= 2 pints
= 0.25 gallons
= 0.9464 liters
= 2.084 pounds of water 