Weight Converter

Multiply the number of kilograms by 2.20462 to get pounds. For example, 70 kg × 2.20462 = 154.32 lbs. For a quick estimate, multiply by 2.2. So 70 kg is approximately 154 lbs.

Multiply the number of pounds by 0.453592 to get kilograms. For example, 150 lbs × 0.4536 = 68.04 kg. For a quick estimate, divide pounds by 2.2. So 150 lbs is approximately 68 kg.

A stone is a unit of weight equal to 14 pounds (6.35 kg). It's primarily used in the United Kingdom and Ireland for measuring body weight. For example, a person weighing 168 lbs would be 12 stone. It's rarely used in the US or for non-body weights.

There are exactly 16 ounces in one pound. This applies to avoirdupois ounces (used for general weight). Note: Troy ounces (used for precious metals) are different, with 12 troy ounces per troy pound.

A metric ton (tonne) equals 1,000 kg (2,205 lbs). A US ton (short ton) equals 2,000 lbs (907 kg). A UK ton (long ton) equals 2,240 lbs (1,016 kg). The metric ton is the international standard for commerce.

Divide grams by 28.3495 to get ounces. For example, 100 grams ÷ 28.35 = 3.53 oz. Or multiply grams by 0.03527. This is useful for cooking conversions and nutritional information.

Mass is the amount of matter in an object, measured in kilograms. It stays constant everywhere. Weight is the force exerted by gravity on that mass, technically measured in Newtons. On Earth's surface, we use mass and weight interchangeably since gravity is constant.

1 liter of pure water weighs exactly 1 kilogram at 4°C (39.2°F), which is when water is most dense. At room temperature, 1 liter weighs about 0.998 kg. 1 gallon of water weighs approximately 8.34 pounds.