Size is the concept of how big or small something is. It may also refer to:

In statistics (hypothesis testing), the size of the test refers to the rate of false positives, denoted by α File size, in computing Magnitude (mathematics), magnitude or size of a mathematical object Magnitude of brightness or intensity of a star or an earthquake as measured on a logarithmic scale In mathematics there are, in addition to the dimensions mentioned above (equal if there is an isometry), various other concepts of size for sets: measure (mathematics), a systematic way to assign to each suitable subset a number cardinality (equal if there is a bijection), of a set is a measure of the "number of elements of the set" for well-ordered sets: ordinal number (equal if there is an order-isomorphism) Resizing (fiction), a theme in fiction, in particular in fairy tales, fantasy, and science fiction Sizing, or size, a filler or glaze Size (surname) Clothing size, the label sizes used for garments sold off-the-shelf Size (band), a Mexican punk rock band

See also