Q:

# How many grams are in an ounce?

A:

There are precisely 28.3495231 grams in one ounce. This number is commonly rounded to 28 for easier conversions. The gram is the base unit of mass or weight in the metric system, and the ounce is a unit of weight in the U.S. customary system.

## Keep Learning

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To convert a measurement in ounces to an approximate number of grams, multiply it by the factor 28. Conversely, to convert a measurement in grams to ounces, divide it by the divisor 28. Although ounces are the preferred measurement in the United States, grams are used by most of the world and in all scientific applications.

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## Related Questions

• A:

There are approximately 28.35 grams of gold in an avoirdupois ounce and 31.10 grams of gold in a troy ounce. Troy ounces are the standard unit of measurement for precious metals.

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• A:

A dram is a unit of mass that is equal to either 1/16 ounce, 1.77 grams in the avoirdupois system of measurement or 1/8 ounce in the apothecaries' system. The related unit of measurement is the fluid dram, and it is used to measure volume.

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• A:

There are 28.35 grams in an ounce and 64 tablespoons in a quart. Look up conversions on charts such as the Kitchen Measurement Conversion Tables at CSGNetwork.com, or convert between measurements manually with the right conversion factor.