Common Core Math Vocabulary

# Customary System - Definition with Examples

## Let's learn!

**What does customary system mean?**

The customary system of measurement, also called the U.S. Customary System, is based on the English system of measurement.

In math, the customary system can be defined as a set of weights and measures used for measuring length, weight, capacity and temperature.

Length and distances in the customary system are measured in inches, feet, yards and miles.

Customary Unit |
Customary Equivalent |
Standard Metric Equivalent |

1 inch | -- | 2.54 centimeters |

1 foot | 12 inches | 0.3048 meters |

1 yard | 3 feet | 0.9144 meters |

1 mile | 1760 yards | 1.609 344 kilometers |

The U.S. customary weight measurement units are ounces, pounds, and tons.

Customary Unit |
Customary Equivalent |
Standard Metric Equivalent |

1 ounce | 16 drams | 28.349523125 grams |

1 pound | 16 ounces | 453.59237 grams |

1 ton | 2000 pounds | 907.18474 kilograms |

The U.S customary capacity or volume measurement units are ounces, cups, pints, quarts, and gallons.

Customary Unit |
Customary Equivalent |
Standard Metric Equivalent |

1 fluid ounce | 2 tablespoons | 29.5735295625 milliliters |

1 cup | 8 fluid ounces | 0236.5882365 milliliters |

1 pint | 2 cups | 473.176473 milliliters |

1 quart | 2 pins | 0.946352946 liters |

1 gallon | 4 quarts | 3.785411784 liters |

The U.S customary temperature measurement unit is degree Fahrenheit.

1 Degree Celsius = 33.8 Degree Fahrenheit

## Let's do it!

Instead of handing our word problem worksheets to your child, site real life instances in which the child is required to measure length, weight or capacity and convert bigger customary units into smaller units or convert metric units into customary units and vice versa.

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