Understanding customary weight conversion involves relating ounces, pounds, and tons through the equivalences 16 ounces = 1 pound and 2,000 pounds = 1 ton, then using multiplication or division to express the same quantity in a requested unit. The reasoning applies to whole numbers, decimals, fractions, and mixed-unit quantities while preserving the amount; it does not extend to metric–customary conversions or more advanced generalized unit analysis.
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Customary weight units are related by:
To convert to a smaller unit, multiply. To convert to a larger unit, divide.
Example: Convert tons pounds to ounces.
Convert the tons to pounds:
Add the extra pounds:
Convert pounds to ounces:
So, tons pounds equals ounces.
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