METRIC SYSTEM Nur1142

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Metric Units and Conversion Factors Units of measurement Length Volume M= meter L=liter CM= centimeter ML=millimeter MM=millimeter CC=cubic centimeter

Units of measurement Length Volume M ______ L ____ CM _______ ML _______ MM _______ CC _________ Metric Units and Conversion Factors meter centimeter millimeter liter milliliter cubic centimeter

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KG

KILOGRAM

MCG

MICROGRAM

UG

MICROGRAM

GM

GRAM

MG

MILLIGRAM

MEQ

MILLIEQUIVALENT

Metric Cont’d Weight KG=kilogram GM=gram MCG=microgram MG=milligram UG=microgram

Metric Cont’d TERMINOLOGY of PREFIXES Kilo 1000 times greater Centi 100 times greater Milli 1000 times smaller Micro 1,000,000 times smaller

Metric Cont’d Conversion Units Equivalents 100CM 1000MM 1 L1000ML/CC 1KG1000GM 1 GM1000MG 1MG1000MCG 1 ML1 CC

Metric Cont’d Ex: How many grams are equal to 500 milligram (MG)? X g = 500mg1g = 1000mg X g = 500 mg X 1g 1000mg = 0.5 gram OR ½ gram

Metric Cont’d Example: How many milligrams are in 2 kilograms? X mg = 2kg 1kg = 1000 g 1000 g = 1g 1g = 1000 mg Xmg = 2kg x 1000g x 1000mg 1 kg 1g 2 x1000x1000mg 2, 000,000 mg = 2kg 1 1

Metric Cont’d Example: How many micrograms are equal to kg? 1kg =1000g 1g =1000mg 1mg = 1000ug Xug= kg x 1000g x 1000mg x 1000ug 1kg 1g 1mg Xug= x1000x1000x1000ug =500,000ug 1 x 1 x 1 500,000 ug = kg

3Metric Cont’d The metric system is a system of weights and measurements based on meter (m), gram (g), and liters (L). The metric system uses prefixes eg kilo, milli, micro. Main thing to remember is that ml/ cc is the same thing.