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# How do you convert customary units?

## How do you convert customary units?

To convert between customary units, follow these rules:

1. To convert from a larger unit to a smaller unit, multiply.
2. To convert from a smaller unit to a larger unit, divide.

What are examples of customary unit?

In the US customary system, inch, foot, yard, and mile are used for measuring length. 1 foot = 12 inches, 1 yard = 3 feet, and 1 mile = 1,760 yards. How many countries use customary units? There are three countries in the world that use customary units – the United States, Myanmar, and Liberia.

What are the three customary units of measurement?

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

### How can you use ratios to convert customary units of measure?

For example, 1 ft = 12 in is a conversion factor, and we can write from it the ratios 1 ft/12 in and 12 in/1 ft, which both equal 1. Then, to convert a measurement in inches into feet, we can multiply it by the ratio 1 ft/12 in. The inches will cancel out as units, and we get a result that is in feet.

How can I memorize English conversions?

King Henry Math Conversion Chart I use the saying, King Henry Died Unexpectedly Drinking Chocolate Milk. Kids seem to remember this saying. If you wanted to know how many meters were in kilometers, you would use the chart below.

What is the most basic SI to US customary unit conversion?

Length

US Customary/Imperial Unit Equivalent SI (Metric) Unit
1 inch (in) 25.4 millimeters (mm)
1 in 2.54 centimeters (cm)
1 foot (ft) 30.48 cm
1 yard (yd) 0.91 meter (m)

#### What is the difference between metric and customary units?

These measurement units are part of the metric system. Unlike the U.S. customary system of measurement, the metric system is based on 10s. For example, a liter is 10 times larger than a deciliter, and a centigram is 10 times larger than a milligram.

What are the 7 basic units of measurement in the metric system?

Prefixes are provided in scales that function around 7 units known as metric system (or SI) base units. As shown in Table 1, base units include the meter (m), the kilogram (kg), the kelvin (K), the second (s), the ampere (A), the candela (cd), and the mole (mol).