Customary Unit Conversions

Learning how to convert between different units

The conversion chart is your best friend

Make sure that you are looking throughout the conversion chart to find the correct unit to either multiply or divide by


The customary units for length are feet, yards, miles and inches


The customary units for weight are tons, pounds and ounces


The customary units for capacity are gallons, ounces, quarts and pints

When going from a large unit to a smaller unit you multiply. An example 4 ft = 48 inches.

When going from a smaller unit to a larger unit you divide. An example 48 oz = 3 lbs.

Converting in the Customary System

Look at the image to see the steps and an example on how to convert in the customary system.