Definitions

Glossary

Short, plain-English definitions of the terms behind our calculators and converters.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

C

Cubic yardA cubic yard is the volume of a cube measuring 3 x 3 x 3 feet, which equals 27 cubic feet or about 0.7646 m³ . It is the standard unit for ordering bulk materia

E

Entropy (passwords)Entropy measures how unpredictable a password is, expressed in bits. Each additional bit doubles the number of guesses an attacker needs. For a randomly generat

P

Percentage pointA percentage point is the unit used to express the arithmetic difference between two percentages. It compares rates by subtraction, while "percent" compares the

W

Weighted averageA weighted average is an average where each value counts in proportion to an assigned importance, called its weight, instead of counting equally. Each value is