Conversion Chart for Customary Units



|Conversion Chart of U.S. Customary Units |

|Length | |Time |

|1 foot (ft) |12 inches (in) | |1 minute (min) |60 seconds (sec) |

|1 yard (yd) |36 inches (in) | |1 hour (hr) |60 minutes (min) |

|1 yard (yd) |3 feet (ft) | |1 day |24 hours (hr) |

|1 mile (mi) |5280 feet (ft) | |1 week (wk) |7 days |

|1 mile |11760 yard (yd) | |1 year (yr) |365 days |

| | | |1 year (yr) |52 weeks (wk) |

| | | |1 year (yr) |12 months |

| | | |1 century |100 years |

| | | |

|Capacity | |Weight |

|1 fluid ounce (fl oz) |2 Tablespoons (Tbsp) | |1 pound (lb) |16 ounces (oz) |

|1 cup (c) |8 fluid ounces (fl oz) | |1 ton |2000 pounds (lb) |

|1 pint (pt) |2 cups (c) | | | |

|1 quart (qt) |2 pints (pt) | | | |

|1 gallon (gal) |4 quarts (qt) | | | |

|Conversion of the Metric System (Prefix Line) |

| |

|[pic] |

|Conversion of U.S. Customary Measurement to Metric |

|Length | |Capacity |

|1 inch (in) |≈ 2.54 centimeters (cm) | |1 quart (qt) |0.95 liters (L) |

|1 foot (ft) |≈ 0.305 meters (m) | |1 fluid ounce (fl oz) |30 milliliters (mL) |

|1 yard (yd) |≈ 0.914 meters (m) | | |

|1 mile (mi) |≈ 1.61 kilometers (km) | | |

| | | |

|Weight/Mass | | |

|1 pound (lb) |≈ 0.45 kilograms (kg) | | |

|1 ounce (oz) |≈ 28 grams (g) | | |

Customary Measures

***************** Rule: *****************

To change from a smaller unit to a larger unit, you need to divide.

***************************************

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Example 1: 12 ounces = _______ pounds?

*Note: 1 pound = 16 ounces

Step 1: Place 12 in the numerator

Step 2: Place 16 (the number of ounces in 1 pound) in the denominator:

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Therefore, 12 ounces = 3/4 pounds

Example 2: 4 feet = _______ yards?

*Note: 1 yard = 36 feet

Step 1: Place 4 in the numerator

Step 2: Place 36 (the number of feet in 1 yard) in the denominator:

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Therefore, 4 feet = 1/9 yards

*****************Rule******************

To change from a larger unit to a smaller unit, you need to multiply.

***************************************

[pic]

Example 1: 12 yards = _______ feet?

*Note: 1 yard = 36 feet

Step 1: Multiply 12 x 36

12 x 36 = 432

Therefore, 12 yards = 432 feet

Example 1: 10 quarts = _______ pints?

*Note: 1 quart = 2 pints

Step 1: Multiply 10 x 2

10 x 2 = 20

Therefore, 10 quarts = 20 pints

Metric Units of Measures

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***************** Rule: *****************

To change from a smaller unit to a larger unit, you must divide. You will be moving the decimal point to the left. **************************************

Example: 150 centimeters = _______ meters?

*Note: 1 meter = 100 centimeters

Step 1: Place 150 in the numerator

Step 2: Place 100 (the number of centimeters in 1 meter) in the denominator:

[pic]

Therefore, 150 centimeters = 1.5 meters

***************** Rule: *****************

To change from a larger unit to a smaller unit, you need to multiply. You will be moving the decimal point to the right. **************************************

Example: 17.5 kiloliters = _______ liters?

*Note: 1 kiloliter = 1000 liters

Step 1: Multiply 17.5 x 1000

17.5 x 1000 = 17,500

Therefore, 17.5 kiloliters = 17,500 liters

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