SAMPLE Nursing Entrance Exam Prep
Chapter 5: Conversions
5.1 Basic Conversions From converting from one unit to another, you first need to recognize if your unit is a customaryormetricunit.CustomaryunitsarethoseunitsusedintheUnitedStates.Below is a list of some common customary units.
5.1.1 Customary Units
Common Customary Measurements
Length
Weight
Time
Capacity
1 foot = 12 inches 1 yard = 36 inches 1 yard = 3 feet 1 mile = 5280 feet 1 mile = 1760 yards
1 pound = 16 ounces 1 ton = 2000 pounds
1 minute = 60 seconds 1 hour = 60 minutes 1 day = 24 hours 1 week = 7 days 1 year = 12 months
1 cup = 8 fluid ounces 1 pint = 2 cups 1 quart = 2 pints 1 quart = 4 cups 1 gallon = 4 quarts 1 gallon = 16 cups
1 year = 365 days 1 leap year = 366 days
To convert from one unit to another you need to use dimensional analysis. Dimensional analysis requires that you know a conversion factor(s) that relates one unit of measure to another. See the example for more instructions. Example Convert 2 yards into inches. Step 1: Start with your given amount and divide it by one. 2 yards 1 Step 2: Identify a conversion factor that will relate your factor to the next. This might require more than one conversion factor. ● 1 yard = 3 feet ● 1 foot = 12 inches Step 3: Multiply your original amount by the conversion factors. Set these factors up as a fraction so that the original unit is on the bottom and the new unit is on the top. 2 yards × 3 feet × 12 inches 1 1 yard 1 foot
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