unit conversion pdf
TRANSCRIPT
7/26/2019 Unit Conversion PDF
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Conversion Factors
There are two conversion factors for each set of Data
Example 1
1 m = 100 cm can be written as
1 m
100 cm 1 m
100 cm
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Conversion Factors
Example 2
1 cm = 10 mm can be written as
1 cm
10 mm 1 cm
10 mm
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Conversion Factors
Example 4
1 kg = 1000 g can be written as
1 kg
1000 g 1 kg
1000 g
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What you
start with
What you
get
Units you
starts with
Units you
want
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215 cm1 m
100 cm
2.15 m
What you
start with
What you
getUnits you
starts with
Units you
want
Question : Convert 215 cm to metres
As we saw before, two possible conversion factors are
1 m
100 cm 1 m
100 cm
We choose the conversion factor with centimetres in the denominator so that the cm
units cancel each other
Answer : 215 cm = 2.15metres
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1.2 m100 cm
1 m
120 cm
What youstart with
What you
getUnits you
starts with
Units you
want
Question : Convert 1.2 m to cm
As we saw before, two possible conversion factors are
1 m
100 cm 1 m
100 cm
We choose the conversion factor with metres in the denominator so that the m units
cancel each other
Answer : 1.2 m = 120 cm
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2.3 kg1000 g
1 kg
2300 g
What youstart with
What you
getUnits you
starts with
Units you
want
Question : Convert 2.3 kg to g
As we saw before, two possible conversion factors are
1 kg
1000 g 1 kg
1000 g
We choose the conversion factor with kilograms in the denominator so that the kg
units cancel each other
Answer : 2.3 kg = 2300 g
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2 hour
60 minutes
1 hour
120 minutes
What you
start with
What you
get
Units you
starts with
Units you
want
Question : Convert 2 hours to minutes
Answer : 2 hours = 120 minutes
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180 minutes
1 hour
60 minutes
3 hours
What you
start with
What you
get
Units you
starts with
Units you
want
Question : Convert 180 minutes to hour
Answer : 180 minutes = 3 hours
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1 YEAR = ? SECONDS. Assume 1 year = 365 days.
1 year365 days
1 year
24 hours
1 day
60 minutes
1 hour
60 seconds
1 minutes
1 365 24 60 60 seconds
31 536 000 seconds
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