CalcHub
Free unit conversionAs of 2026
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Main weight conversion formulas
1kg = 1,000g = 2.2046 pounds (lb)
1 pound (lb) = 453.592g = 16 ounces (oz)
1 ounce (oz) = 28.3495g
1 carat (ct) = 0.2g (unit of gemstone weight)
1 geun = 500g (based on Korean and Chinese standards)
1 pound (lb) = 453.592g = 16 ounces (oz)
1 ounce (oz) = 28.3495g
1 carat (ct) = 0.2g (unit of gemstone weight)
1 geun = 500g (based on Korean and Chinese standards)
The United States and the United Kingdom use the pound (lb) and ounce (oz) units. Body weight is often expressed in pounds, while food ingredients and precious metals are frequently indicated in ounces.
Frequently Asked Questions
How many kilograms is 1 pound?
1 pound (lb) = approximately 453.6g = 0.4536kg. 100 pounds is approximately 45.4kg.
How many grams is 1 ounce?
1 ounce (oz) = 28.35g. For precious metals such as gold and silver, a Troy ounce (31.1g) is used.