Formulas & Definitions
Definitions
is equal to
is perpendicular to
is not equal to
is parallel to
is approximately equal to
is similar to
>
is greater than
is congruent to
<
is less than
is not congruent to
is greater than or equal to
plus or minus
Is less than or equal to
line segment points A and B
3.14
line containing points A and B
angle
length of
measure of angle
length of
right angle
length of
triangle
ratio of a to b
Abbreviations for Units of Measurements
U.S.
Metric
Distance
in.
inch
m
meter
ft
foot
km
kilometer
mi.
mile
cm
centimeter
mm
millimeter
Volume
gal.
gallon
L
liter
qt.
quart
mL
milliliter
oz.
ounce
cc
cubic centimeter
Mass/Weight
lb.
pound
g
gram
oz.
ounce
kg
kilogram
mg
milligram
Temperature
degree Fahrenheit
degree Celsius
Time
sec.
second
min.
minute
hr.
hour
Speed
mph
miles per hour
Conversions for Units of Measurement
U.S. Standard
Metric
Length
12 inches = 1 foot
Length
10 millimeters = 1 centimeter
3 feet = 1 yard
100 centimeters = 1 meter
5280 feet = 1 mile
1000 meters = 1 kilometer
Volume
8 ounces = 1 cup
Volume
100 milliliters = 1 liter
(Liquid)
2 cups = 1 pint
1000 liters = 1 kiloliter
2 pints = 1 quart
4 quarts = 1 gallon
Weight
16 ounces = 1 pound
Weights
1000 milligrams = 1 gram
2000 pounds = 1 ton
100 grams = 1 kilogram
Time
60 seconds = 1 minute
60 minutes = 1 hour
24 hours = 1 day
Formulas
Quadratic formula: If
