# Mass Calculator

This is a basic mass calculator based on density and volume. This calculator takes and generates results of many common units.

## Result

Mass = 8260 1000

Steps:
 m = V × ρ = 8260 1e-9 × 1 1000 = 8260 × 1 1000 = 8260 1000

Mass in other units.
 Amount Unit 8260 kilogram 8260000 gram 8260000000 milligram 8.26 ton 18210.197710718 pound (lb) 41300000 carrat 127471279.99495 grain 4.974284874552E+30 atomic mass unit

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### What is mass?

Mass is typically defined as the amount of matter within an object. It is most commonly measured as inertial mass, involving an object's resistance to acceleration given some net force. Matter, however, is somewhat loosely defined in science, and cannot be precisely measured. In classical physics, matter is any substance that has mass and volume.

The amount of mass that an object has is often correlated with its size, but objects with larger volumes do not always have more mass. An inflated balloon, for example, would have significantly less mass than a golf ball made of silver. While many different units are used to describe mass throughout the world, the standard unit of mass under the International System of Units (SI) is the kilogram (kg).

There exist other common definitions of mass including active gravitational mass and passive gravitational mass. Active gravitational mass is the measure of how much gravitational force an object exerts, while passive gravitational mass is the measure of the gravitational force exerted on an object within a known gravitational field. While these are conceptually distinct, there have not been conclusive, unambiguous experiments that have demonstrated significant differences between gravitational and inertial mass.

### Mass vs. Weight

The words of mass and weight are frequently used interchangeably, but even though mass is often expressed by measuring the weight of an object using a spring scale, they are not equivalent. The mass of an object remains constant regardless of where the object is and is, therefore, an intrinsic property of an object. Weight, on the other hand, changes based on gravity, as it is a measure of an object's resistance to its natural state of freefall. The force of gravity on the moon, for example, is approximately one-sixth that on earth, due to its smaller mass. This means that a person with a mass of 70 kg on earth would weigh approximately one-sixth of their weight on earth while on the moon. Their mass, however, would still be 70 kg on the moon. This is in accordance with the equation:

F =
 Gm1m2 r2

In the equation above, F is force, G is the gravitational constant, m1 and m2 are the mass of the moon and the object it is acting upon, and r is the moon's radius. In circumstances where the gravitational field is constant, the weight of an object is proportional to its mass, and there is no issue with using the same units to express both.

In the metric system, weight is measured in Newtons following the equation W = mg, where W is weight, m is mass, and g is the acceleration due to the gravitational field. On earth, this value is approximately 9.8 m/s2. It is important to note that regardless of how strong a gravitational field may be, an object that is in free fall is weightless. In cases where objects undergo acceleration through other forces (such as a centrifuge), weight is determined by multiplying the object's mass by the total acceleration away from free fall (known as proper acceleration).

While mass is defined by F = ma, in situations where density and volume of the object are known, mass is also commonly calculated using the following equation, as in the calculator provided:

m = ρ × V

In the above equation, m is mass, ρ is density, and V is volume. The SI unit for density is kilogram per cubic meter, or kg/m3, while volume is expressed in m3, and mass in kg. This is a rearrangement of the density equation. Further details are available on the density calculator.