6-5 CHANGING METRIC UNITS

*Metric System-• A decimal system of measures.• The prefixes most commonly used are kilo-, centi-, and

milli-

LENGTH is measured in meters.

• Kilometer km 1km = 1000 m• Hectometer hm 1hm = 100 m• Decameter dam 1dam = 10 m• Meter m 1m = 1m• Decimeter dm 1m = 10 dm• Centimeter cm 1m = 100 cm• Millimeter mm 1m = 1000 mm

VOLUME is measured in liters.

• Kiloliter kL 1kL = 1000 L• Hectoliter hL 1hL = 100 L• Decaliter daL 1daL = 10 L• Liter L 1L = 1L• Deciliter dL 1L = 10 dL• Centiliter cL 1L = 100 cL• Milliliter mL 1L = 1000 mL

MASS is measured in grams.

• Kilogram kg 1kg = 1000 g• Hectogram hg 1hg = 100 g• Decagram dag 1dag = 10 g• Gram g 1g = 1g• Decigram dg 1g = 10 dg• Centigram cg 1g = 100 cg• Milligram mg 1g = 1000 mg

Examples!• Ex: Convert 300 cm into meters

• Ex: Convert 7 kg into grams

Short Cut!!!

•K

ilo-

•H

ecto

-•

Dec

a-

•M

eter

/Lite

r/G

ram

•D

eci-

•C

enti-

•M

illi-

Examples!• 4.5 L to mL

• 500 mm to m

• 25.4 cg to kg

Order from Least to Greatest• 660 mL, 0.06 L, 6.6 kL

Conversion between systems

Converting between systems…

Examples!

• 17.22 inches to cm

• 828.5 mL to cups

• 9.5gal to L

• 15.09km to yd

Double Conversions• 72.26 cm to ft