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=__Customary System__=

The Customary system is the measurement the USA uses. It has units of length, capacity & weight.

**__Length__**
The main a ttributes of length :
 * inches (in./")
 * feet (ft./')
 * yards (yd.)
 * miles (mi.)

You can convert units of length.

3 feet || 5,280 feet/ 1,760 yards ||
 * < 1 foot ||< 12 inches ||
 * < 1 yard ||< 36 inches/
 * < 1 mile ||< 36,360 inches/

You can have personal references too!
 * tip of your thumb to the first joint
 * from your elbow joint to your knuckles

__**Weight**__ The main attributes of weight are:
 * ounces (oz.)
 * pounds (lb.)
 * tons (T.)

You can convert units of weight. 2,000 pounds ||
 * 1 pound || 16 ounces ||
 * 1 ton || 32,000 ounces/

You can have personal references too!
 * a loaf of bread weighs about a pound
 * a car weighs about a ton

The main attributes of capacity are:
 * __Capacity__**
 * fluid ounces (fl.oz.)
 * cups (c.)
 * pints (pt.)
 * quarts (qt.)
 * gallons (gal.)

You can convert units of capacity. 2 cups || 4 cups/ 2 pints || 16 cups/ 8 pints/ 4 quarts ||
 * 1 cup || 8 fluid ounces ||
 * 1 pint || 16 fluid ounces/
 * 1 quart || 32 fluid ounces/
 * 1 gallon || 128 fluid ounces/

You can have personal references too!
 * a regular mug of tea is about a cup
 * a large jug of milk is a gallon
 * a soft drink tin contaner is about 12 fl. oz.

This goes for all units of measure, even for weight and capacity---you must divide when you want to change to a larger unit. If you want to change to a smaller unit, multiply.
 * __Tip on converting__**

__**Links** [|Capacity drills] [|Weight drills] [|Length drills]__ __[|COE education] [|Quiz]__

Now, here's the... =__Metric system__= Many countries use the metric system. it consistes of units of length, capacity and mass.

__**Length**__

The main attributes of length are:
 * millimeter (mm)
 * centimeter (cm)
 * meter (m)
 * kilometer (km)

You can convert units of length. For more info on metric convertion, click [|here.] 100 centimeter || 100,000 centimeters/ 1,000 meters ||
 * 1 centimeter || 10 millimeters ||
 * 1 meter || 1,000 millimeters/
 * 1 kilometer || 1,000,000 milimeters/

You can have personal references too!
 * 1 millimeter is about the thickness of a dime
 * 1 centimeter is about the width of your fingernail
 * 1 meter is about the width of a door

The main attributes of capacity are:
 * __Capacity__**
 * milliliters (mL)
 * liters (L)

You can convert units of capacity.
 * 1 liter || 1,000 milliliters ||

You can also have personal references too!
 * 1 milliliter is about the volume of an eyedropper
 * 1 liter is about the volume of a small pitcher

The main attributes of mass are:
 * __Mass__**
 * milligram (mg)
 * gram (g)
 * kilogram (kg)

You can convert units of mass. 1,000 grams ||
 * 1 gram || 1,000 milligrams ||
 * 1 kilogram || 1,000,000 milligrams/

You can have personal references too!
 * 1 milligram is about the mass of a grain of salt
 * 1 gram is about the mass of a paper clip
 * 1 kilogram is about the mass of six apples

__**Links** [|COE Education] [|Math League] [|AAA math]__ [|Helpful Learning Activity] [|Drill & Practice]