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How to Convert
How to Convert
1) Start with what you have. What are you converting from?
2) Apply conversion factor(s). What are you converting to?
3) Solve! Assuming units cancel.
Example 1:
Example 1:
How much does a 20 lb weight weigh in kg?
Conversion: 1 kg = 2.205 lb
Solution
Solution
You want to cancel out the lb unit, so place them across from each other!
Answer = 9.07 kg
Example 2:
Example 2:
Convert 85 mi/hr to knots.
Conversions: 1 nautical mile = 1.15 miles
1 knot = 1 nautical mi/hr
Solution
Solution
You want to cancel the miles out, so place them across from each other!
Answer = 73.86 knots
Example 3:
Example 3:
Convert 75 ft/sec to mi/hour.
Conversion: 1 mile = 5280 feet
Solution
Solution
This problem has two unit conversions in it. We need to go from seconds to hours and then feet to miles. Make sure the units you want to cancel are diagonal!
Answer = 51.14 mph
Example 4:
Example 4:
Convert 1012 mb to inches Hg.
Conversion = 1013.25 mb = 29.92 in Hg
Solution
Solution
Remember to cancel the units across!
Answer = 29.89 in Hg
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