Pressure Converter
Convert common pressure units accurately with a simple global tool.
Pressure converter
Convert pressure units for weather, engineering, automotive, science and industrial applications.
How it works
Enter your values, choose the relevant units or options, and review the calculated result. For financial and market tools, displayed figures are calculations and can differ from provider quotes, fees, spreads, taxes or local rules.
Frequently asked questions
What is psi?
Psi means pounds per square inch and is commonly used for tyre pressure and other US customary measurements.
What is the SI unit of pressure?
The SI unit of pressure is the pascal (Pa).
Is bar the same as atm?
No. They are close but not equal; one standard atmosphere is approximately 1.01325 bar.