Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Gauge pressure refers to the pressure measured relative to atmospheric pressure. It represents the difference between the absolute pressure and atmospheric pressure.
Related terms
Absolute Pressure: Absolute pressure is the total pressure exerted by a fluid, including both gauge pressure and atmospheric pressure.
Manometer: A manometer is a device used to measure gauge pressures in fluids.
Vacuum Pressure: Vacuum pressure refers to pressures below atmospheric pressure, where there is less force pushing on an object.