How many Pascals are in one PSI?

One pound per square inch (PSI) is equivalent to approximately 6,894.76 Pascals (Pa).

What is standard atmospheric pressure?

Standard atmospheric pressure (1 atm) is defined as exactly 101,325 Pascals (Pa), which is equal to 1.01325 bar, 760 Torr, or approximately 14.696 psi.

How is bar related to Pascal?

One bar is equal to exactly 100,000 Pascals (10^5 Pa). This unit is commonly used in meteorology, engineering, and scuba diving depth gauges.

Pressure Converter

Convert units of pressure instantly: pascals, bar, psi, atmospheres, torr, and kilopascals online.

Value to Convert From Unit

Converted Value

14.6959

To Unit

What is Pressure? Principles of Physical Force

In physics, pressure is defined as the continuous physical force exerted on or against an object by something in contact with it. It is computed as force divided by the area over which that force is distributed (P = F / A). The SI base unit for pressure is the **Pascal (Pa)**, named after Blaise Pascal, which is equivalent to one Newton per square meter.

Whether you are calculating gas laws in chemistry, designing pneumatic valves, checking tyre pressures, or analyzing underwater scuba depths, utilizing an online **pressure units converter** speeds up complex mathematical conversions.

Standard Pressure Units Explained

This tool supports a comprehensive list of scientific and engineering pressure standards:

Pascal (Pa) / Kilopascal (kPa): The metric standard. Pascals are very small, so kPa and MPa are commonly used in industrial hydraulic pipelines.
Bar (bar) / Millibar (mbar): A metric unit of pressure, but not technically part of the SI system. It is heavily utilized in meteorology for atmospheric weather tracking.
Pound per Square Inch (PSI): The imperial unit based on weight force. It is widely used in the US and UK for machinery specifications and tyre inflations.
Atmosphere (atm): Represents the average atmospheric weight at mean sea level.
Torr (mmHg): A unit based on the height of a mercury column, named after Evangelista Torricelli.

To convert between other units of physics, explore our Energy Converter and Power Converter. For distance metrics, use the Length Converter. Or visit our generic Unit Converter.

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