Unit Conversions
dimensional init
analysis conversions
DimensionalAnalysis is a problem solving method which uses
the fact that any number multiplied by 1 keeps the same value
Multiply by fractions that are equivalent to 1
A
If B A C B D C then A E E
Match units diagonally across from each other
KY TIE it
Cancel the same unit when they are diagonally across and
keep what is left over
YYEYYYIIIYEY.IE unit
UNIT 5
Multiply all the numbers in the numerator multiply all the
numbers in the denominator then divide
case
convert 0.5 miles to inches
0.5 miles x 52 9feetx I'fogies
0.5 miles x 53 9feetx I'fogies
10.5 5280 12
1 1 inches
31,680 inches
case
convert 3 miles per hour to meters per second
3 miles y1609meters I hour
hour 1 mile 60minutes Be'dountdes
3 miles x1609meters I hour
60minutes x I minute
hour 1 mile 60seconds
3 1609 meters
1 60 60 seconds 4827 meters
3600 seconds 34 meters second
case
convert 2 Kilowatt hours kWh to watt seconds Ws
2 kilowatt hours
xgymojfutesxgg.it x'gggwwayIs
2 kilowatt hoursxgqgjyutesxgmg.gg sx1000watts
1 kilowatt
2.60.60 1000
1 1 1 watt seconds
7,200,000 watt seconds
COMMON UNIT CONVERSIONS
LENGTH WEIGHT VOLUME
CUSTOMARY 12 inches I foot 16ounces Ipound 1cup 8 fluidounces
3 feet 1 yard 2000pounds ton 1 pint 2 cups
5280 feet 1 mile 1 quart 2 pints
4 quarts I gallon
METRIC 10millimeters centimeter1000grams lkilogram1000milliliters I liter
1000millimeters I meter
100centimeters lmeter
1000meters lkilometer
CUSTOMARY a METRIC 1inch2.54centimeters 7ounce
1 mile 1.609kilometers
28.350grams1 fluidounce29.57mill it
1 pound 454grams 1 gallon 3.785 liters
METRIC CONVERSIONS
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Tnoterercitmtastignterunt
Kilo Hecto Deca Basicunit Deci Centi Mill
Grams
Liters