2kg

2 kilograms (2 kg) is a unit of mass in the metric system. It equals 2000 grams and is a multiple of the kilogram, the base unit of mass in the International System of Units (SI). Since 2019 the kilogram is defined by fixing the numerical value of the Planck constant, linking the unit of mass to fundamental physical constants.

Conversions commonly used in daily life include approximately 4.409 pounds (lb) or 70.55 ounces (oz). In imperial terms, 2 kg is about 0.315 stone. Because 1 liter of water has a mass of about 1 kilogram at standard conditions, 2 kg is roughly equivalent to 2 liters of water.

In everyday contexts, 2 kg is a practical reference point for describing the mass of objects and packages. It is a typical size for certain groceries or food portions, small household items, and some pieces of luggage or equipment. For comparison, many laptops and compact electronics fall in the 1–3 kg range, while a standard bag of flour or sugar can weigh around 1–2 kg.

Mass is an intrinsic property of matter and does not depend on location or gravity, whereas weight is the gravitational force acting on a mass. Thus 2 kg represents the same amount of matter whether on Earth, the Moon, or in space, while the corresponding weight would vary with the local gravitational field.