Convert between milligrams, grams, kilograms, ounces, pounds, stone, US tons, and metric tons with precision.
Quick Answer:1 kg = 2.20462 lbs, 1 lb = 453.592 g, 1 oz = 28.3495 g, 1 stone = 14 lbs = 6.35 kg, 1 metric ton = 1,000 kg.
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Technically, kilograms measure mass while pounds can measure either mass or force depending on context. In everyday use, "weight" and "mass" are used interchangeably, but in physics, weight = mass x gravity. When converting for cooking, note that fluid ounces (volume) and ounces (weight) are different units. For body weight, the UK commonly uses stone (1 st = 14 lbs), while the US uses pounds and most other countries use kilograms.
One kilogram equals approximately 2.20462 pounds. Conversely, one pound equals approximately 0.453592 kilograms. For a quick mental estimate, multiply kilograms by 2.2 to get pounds, or divide pounds by 2.2 to get kilograms. This conversion is one of the most commonly needed for international travel, cooking, and fitness tracking.
A stone is a unit of weight equal to 14 pounds or approximately 6.35029 kilograms. It is commonly used in the United Kingdom and Ireland for measuring body weight. For example, a person weighing 150 pounds would be 10 stone 10 pounds (10 st 10 lb), and a person weighing 70 kg would be about 11 stone.
A US ton (short ton) equals 2,000 pounds or approximately 907.185 kilograms. A metric ton (tonne) equals 1,000 kilograms or approximately 2,204.62 pounds. The metric ton is about 10% heavier than the US ton. There is also the Imperial (long) ton used in the UK, which equals 2,240 pounds or 1,016.05 kilograms.