Pressure Converter
Convert pressure between Pa, kPa, MPa, bar, atm, psi, mmHg, inHg, and torr instantly.
The Pressure Converter converts between pascals, kilopascals, megapascals, bar, atmospheres, psi, mmHg, inHg, and torr. It is a quick reference for physics, HVAC, and engineering tasks.
What is a Pressure Converter?
A pressure converter is a tool designed to translate measurements of force per unit area between different pressure units used across various scientific, engineering, and industrial fields. Pressure is defined as the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Different regions and disciplines use different unit systems, making conversion between them essential for accurate communication and calculation in international projects, scientific research, engineering design, technical applications, manufacturing processes, and quality control that require precise pressure measurements and consistent units across international boundaries.
The pascal (Pa) is the standard International System of Units (SI) unit for pressure, equal to one newton per square meter. However, practical applications often require larger or smaller scales, leading to kilopascal (kPa), megapascal (MPa), and other derived units. Other commonly used units include bar, atmosphere (atm), pounds per square inch (psi), millimeters of mercury (mmHg), inches of mercury (inHg), and torr. Each of these units has historical and contextual significance, with some being preferred in specific industries such as meteorology, medicine, aviation, automotive engineering, HVAC systems, and fluid dynamics that rely on standardized pressure measurements for safety and accuracy.
This pressure converter operates entirely within your browser with no external dependencies or data collection. When you input a pressure value and select the units, the tool performs calculations instantly using JavaScript. You can convert between any of the supported units and immediately see the result. The interface includes a swap button to quickly reverse your input and output units, and a copy button to easily transfer the result to your clipboard. Because all computations happen locally on your device, your conversions remain completely private and secure without any risk of data exposure, transmission to external servers, or storage of your conversion data.
How to use this Pressure Converter
- Enter the numerical pressure value you want to convert in the Value field.
- Select the unit you are converting from using the From Unit dropdown.
- Select the unit you want to convert to using the To Unit dropdown.
- Result appears automatically; click Swap Units to reverse the conversion.
- Click Copy Result to place the converted value on your clipboard.
FAQ
What pressure units does it support?
The pressure converter supports Pa, kPa, MPa, bar, atm, psi, mmHg, inHg, and torr. Enter any unit and instantly see conversions to all others.
How do you convert between psi and bar?
One bar is approximately equal to 14.5038 psi. To convert from bar to psi, multiply by 14.5038. To convert from psi to bar, divide by 14.5038.
Is the pressure converter free?
Yes, the pressure converter is completely free with no limits. You can convert as many pressure values as you need without any cost or subscription.
Does it send my pressure data anywhere?
No, all pressure conversions occur entirely in your browser using client-side JavaScript. No data is uploaded, stored, or transmitted to any external server.