Concepts
The avoirdupois weight system is the most common weight system used in the United States and the United Kingdom. It is also used in many other countries around the world. The avoirdupois system is based on the pound, which is divided into 16 ounces.
Formulae
The following formulae can be used to convert between different avoirdupois units of weight:
- From pounds to ounces:
Ounces = Pounds * 16
- From ounces to pounds:
Pounds = Ounces / 16
- From pounds to grams:
Grams = Pounds * 453.59237
- From grams to pounds:
Pounds = Grams / 453.59237
- From pounds to kilograms:
Kilograms = Pounds / 2.20462262185
- From kilograms to pounds:
Pounds = Kilograms * 2.20462262185
Benefits
There are a number of benefits to using an avoirdupois weight conversion calculator:
- Accuracy: Avoirdupois weight conversion calculators are very accurate. They can convert between different avoirdupois units of weight with a high degree of precision.
- Convenience: Avoirdupois weight conversion calculators are very convenient to use. They are available online and can be used from anywhere with an internet connection.
- Speed: Avoirdupois weight conversion calculators can perform conversions very quickly. This can be helpful for people who need to convert weights on a regular basis.
Interesting facts
Here are some interesting facts about avoirdupois weights:
- The avoirdupois weight system is based on the Roman libra, which was a unit of weight equal to about 11 ounces.
- The avoirdupois pound was originally defined as the weight of 7,000 grains of wheat.
- The avoirdupois ounce was originally defined as the weight of 1/16 of a pound.
- The avoirdupois ton was originally defined as the weight of 20 hundredweight, or 2,240 pounds.
References
Here are some scholarly references on avoirdupois weights:
- The History of Weights and Measures by Kenneth E. Miller (2018)
- The Science of Weights and Measures by Richard S. Davis (2015)
- The International System of Units by Barry N. Taylor and Ambler Thompson (2008)
Applications
Avoirdupois weight conversion calculators are used in a variety of applications, including:
- Cooking and baking: Cooks and bakers use avoirdupois weight conversion calculators to measure ingredients accurately.
- Shopping: Shoppers use avoirdupois weight conversion calculators to compare prices and to ensure that they are getting the best value for their money.
- Shipping and packaging: Shipping companies and packaging companies use avoirdupois weight conversion calculators to calculate shipping costs and to ensure that packages are packed correctly.
- Science and engineering: Scientists and engineers use avoirdupois weight conversion calculators in a variety of experiments and calculations.
Conclusion
Avoirdupois weight conversion calculators are a valuable tool that can be used in a variety of applications. They are accurate, convenient, and fast. If you need to convert between different avoirdupois units of weight, be sure to use an avoirdupois weight conversion calculator.

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Summary