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percent

Dimensionless unit equivalent to 0.01

Entityparts-per notation dimensionless unit UCUM derived unitQ11229

Also known as % · pct. · per cent

Instance of: parts-per notation
, dimensionless unit
, UCUM derived unit

Overview

From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0

In mathematics, a percentage, percent, or per cent is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign (%), although the abbreviations pct., pct, and sometimes pc are also used. A percentage is a dimensionless number, primarily used for expressing proportions, but percent is nonetheless a unit of measurement in its orthography and usage.

Overview

All data

56 statements · 7% with external sources · numbers in brackets are citations

Notation: %
Unit symbol: %
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%
Followed by: per mille
Different from: hundredth
Conversion to SI unit: 0.01
Measured physical quantity: dimensionless quantity
ratio of two quantities of the same kind
Subdivision of this unit: per mille
Conversion to standard unit: 10 per mille
100 basis point
1,000 per cent mille
10,000 parts per million
10M part per billion
10B parts per trillion
10T parts per quadrillion

On other databases

31 identifiers linking percent across the web's reference databases

Data quality

statements

externally sourced

Source last edited September 17, 2026. AIDB refreshes this page daily.

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AIDB. (2026). percent (Q11229). Retrieved from https://aidb.si/e/percent-Q11229