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Avoirdupois Weight Conversion Calculator

Convert Avoirdupois Weight
↕


Answer:
= 16 oz

1 lb × 16 oz / lb
= 16 oz
Multiply by 16
for quick conversions.
Solution
To convert lb to oz, use the conversion factor

1 lb = 16 oz

Then divide both sides of the equation by lb, to get the conversion ratio

1 = 16 oz / lb

Using the conversion ratio to complete the unit conversion, basically multiplying the input by 1, the lb units cancel out, and you are left with oz units.

1 lb × 16 oz / lb
= 16 oz


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This online conversion calculator will convert among different avoirdupois units of weight or mass. For broader calculations use the weight conversion calculator and more specific to troy units use troy unit conversions.

Units, symbols and conversion values
used in this weight calculator
Unit Name
Unit Symbol
Value in pounds (lb)
dram (avdp)
dr
(1/16)/16
grain (troy)
gr
1/7000
hundredweight (short)
hwt
100
ounce (avdp)
oz
1/16
pound (avdp)
lb
1
ton (short)
ton
2000

References/ Further Reading

The National Institute of Standards and Technology (NIST) - The NIST Guide for the use of the International System of Units - Appendix B, subsections B.8 Factors for Units Listed Alphabetically and B.9 Factors for units listed by kind of quantity or field of science.

Lide, David R., Daniel (Editor-in-Chief). CRC Handbook of Chemistry and Physics, 89th Edition New York, NY: CRC Press, p. 1-28, 2008.

Wikipedia contributors. "Conversion of units" Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, last visited 24 Jun. 2011.

 

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Furey, Edward "Avoirdupois Weight Conversion Calculator" at https://www.calculatorsoup.com/calculators/conversions/weightavoirdupois.php from CalculatorSoup, https://www.calculatorsoup.com - Online Calculators

Last updated: August 1, 2025