Image: Wikimedia Commons

pressure

Force applied over an area

EntityQ39552

Subclass of: ISQ derived quantity
, scalar quantity
, physical quantity
+3 more

Overview

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

Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Gauge pressure is the pressure relative to the ambient pressure.

Overview

All data

80 statements · 28% with external sources · numbers in brackets are citations

Main Wikidata property: under pressure
Defining formula: p = \frac{\boldsymbol{e}_{\mathrm{n}} \cdot \boldsymbol{F}}{A}
1
Sources
1.Stated in ISO 80000-4:2019 Quantities and units — Part 4: Mechanics
View statement on Wikidata ↗
ISQ dimension: \mathsf{L}^{-1} \mathsf{M} \mathsf{T}^{-2}
In defining formula: p symbol represents: pressure
\boldsymbol{e}_{\mathrm{n}} symbol represents: unit normal vector
\boldsymbol{F} symbol represents: force
A symbol represents: area
Quantity symbol (LaTeX): p unicode character: p
2
Sources
1.Stated in ISO 80000-4:2006 Quantities and units—Part 4: Mechanics
2.Stated in ISO 80000-4:2019 Quantities and units — Part 4: Mechanics
View statement on Wikidata ↗
P unicode character: P
Recommended unit of measurement: pascal
3
Sources
1.Stated in ISO 80000-4:2019 Quantities and units — Part 4: Mechanics
2.Stated in SI Brochure (9th edition): Concise summary
3.Stated in ISO 80000-4:2006 Quantities and units—Part 4: Mechanics
View statement on Wikidata ↗
newton per square metre
1
Sources
1.Stated in ISO 80000-4:2019 Quantities and units — Part 4: Mechanics
View statement on Wikidata ↗
kilogram per metre square second
1
Sources
1.Stated in ISO 80000-4:2019 Quantities and units — Part 4: Mechanics
View statement on Wikidata ↗
Different from: mechanical stress
Invariant under: isobaric process

On other databases

50 identifiers linking pressure across the web's reference databases

Data quality

statements

28%

externally sourced

Source last edited September 30, 2026. AIDB refreshes this page daily.

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AIDB. (2026). pressure (Q39552). Retrieved from https://aidb.si/e/pressure-Q39552