Study Guide

Formulas for Perimeter, Area, and Volume

Perimeter of square
P = 4s
P = s + s + s + s

Perimeter of rectangle
P =  L + L + W + W
P = 2L + 2W

Circumference of circle
C = 3.14 x diameter
C = pi times diameter

Area of square
A = S times S
A = S x S

Area of rectangle
A = L times W
A = L x W

Area of circle
Area of circle = 3.14 x radius squared

Area of triangle
A of triangle = 1/2 times base times height
A = 1/2 x bh

Area of parallelogram
A =1/2 times bh

Area of trapezoid
A = 1/2 (base 1 + base 2)h

Volume of rectangular prism
V = lwh

Volume of cube
V = L x W x H

TABLES of MEASURE

Mathematics Chart

LENGTH

Metric Customary
1 kilometer = 1000 meters 1 mile = 1760 yards
1 mile = 5280 feet
1 meter = 100 centimeters 1 yard = 3 feet
1 centimeter = 10 millimeters 1 foot = 12 inches

CAPACITY AND VOLUME

Metric Customary
1 liter = 1000 milliliters 1 gallon = 4 quarts
1 gallon = 128 ounces
1 quart = 2 pints
1 pint = 2 cups
1 cup = 8 ounces

MASS AND WEIGHT

Metric Customary
1 kilogram = 1000 grams 1 ton = 2000 pounds
1 gram = 1000 milligrams 1 pound = 16 ounces

TIME

1 year = 365 days
1 year = 12 months
1 year = 52 weeks
1 week = 7 days
1 day = 24 hours
1 hour = 60 minutes
1 minute = 60 seconds