Units of Measurement

Customary Units

Length

| Unit | Conversion | |------|-----------| | 1 foot (ft) | = 12 inches (in) | | 1 yard (yd) | = 3 feet = 36 inches | | 1 mile (mi) | = 5,280 feet |

Weight

| Unit | Conversion | |------|-----------| | 1 pound (lb) | = 16 ounces (oz) | | 1 ton (T) | = 2,000 pounds |

Capacity

| Unit | Conversion | |------|-----------| | 1 cup (c) | = 8 fluid ounces | | 1 pint (pt) | = 2 cups | | 1 quart (qt) | = 2 pints | | 1 gallon (gal) | = 4 quarts |

Metric Units

Length

| Unit | Conversion | |------|-----------| | 1 kilometer (km) | = 1,000 meters (m) | | 1 meter (m) | = 100 centimeters (cm) | | 1 centimeter (cm) | = 10 millimeters (mm) |

Mass

| Unit | Conversion | |------|-----------| | 1 kilogram (kg) | = 1,000 grams (g) |

Capacity

| Unit | Conversion | |------|-----------| | 1 liter (L) | = 1,000 milliliters (mL) |

Converting Units

To convert to a smaller unit: Multiply To convert to a larger unit: Divide

Example: How many inches are in 3 feet? $3 \text{ ft} \times 12 \text{ in/ft} = 36 \text{ in}$

Example: How many meters are in 450 cm? $450 \text{ cm} \div 100 = 4.5 \text{ m}$

Memory trick: "King Henry Died By Drinking Chocolate Milk" → km, hm, dam, m, dm, cm, mm