Used by most countries, this system is based on powers of 10, making conversions simple by moving decimal points. Rigorous definitions of volume and capacity in 3D objects
The distinction between these two terms is subtle but important: capacity measure
Capacity measure refers to the (liquid, gas, or solid) a container can hold when full. While often used interchangeably with "volume," capacity specifically focuses on the internal space available within a hollow object to accommodate a substance. Capacity vs. Volume Used by most countries, this system is based
: Refers to the actual amount of space occupied by an object or the substance within it. If that 1-liter jug only contains 500 mL of water, the volume of the water is 500 mL. Common Systems of Measurement Capacity vs
There are two primary systems used globally to measure capacity: 1. Metric System (Standard International)
: Refers to the potential amount a container can hold. For instance, a 1-liter jug has a capacity of 1 liter, regardless of how much liquid is currently inside.