Metric and - Grade 12 College Math



Conversion Charts

The Metric System

Base Units: Grams, Litres, Metres

|Common Metric Prefixes |Unit Multiples |

|kilo |1,000 |

| | |

|hecto |100 |

| | |

|deca |10 |

| | |

|-- (base unit) |-- |

| | |

|deci |0.1 |

| | |

|centi |0.01 |

| | |

|milli |0.001 |

| | |

Recall: 1 mL = 1 cm3

The Imperial System

Inches, feet, yards, miles, acres, ounce, pound, ton, fluid ounce, pint, quart, gallon

Length Area

1 foot = 12 inches 1 Acre = 1/640 square miles

1 yard = 3 feet = 36 inches = 43,560 square feet

1 mile = 1760 yards = 5280 feet

Mass (Weight) Volume (Capacity)

1 pound = 16 ounces 1 pint = 20 fluid ounces

1 ton = 2240 pounds 1 quart = 2 pints = 40 oz.

1 gallon = 4 quarts = 8 pints = 160 oz.

1 firkin = 9 gallons

Metric and Imperial Units of Length

Use conversion factors to change imperial units to metric units, or vice versa.

|Imperial to Metric |Metric to Imperial |

|1 inch = 2.54 cm |1 cm [pic] 0.3937 inch |

|1 foot = 30.48 cm |1 m [pic] 39.37 inches |

|1 foot = 0.3048 m |1 m [pic] 3.2808 feet |

|1 mile [pic] 1.609 km |1 km [pic] 0.6214 mile |

Metric and Imperial Units of Capacity

Capacity is a measure of how much liquid a container can hold. Use conversion factors to change imperial units to metric units, or vise versa.

|Imperial to Metric |Metric to Imperial |

|1 fluid ounce [pic] 28.413 mL |1 mL [pic] 0.0352 fluid ounce |

|1 pint [pic] 0.568 L | 1 L [pic] 1.7598 pints |

|1 quart [pic] 1.1365 L |1 L [pic] 0.8799 quart |

|1 gallon [pic] 4.546 L |1 L [pic] 0.22 gallon |

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