Pressure Converter
Convert Pa, bar, psi, atm, mmHg, and other pressure units.
Result
Enter a value to convert.
The calculation runs locally in your browser.
What this tool converts
Convert scientific, industrial, atmospheric, and tire pressure across pascals, bar, psi, atm, mmHg, and torr.
How the conversion works
Enter a value, choose source and target units, and the result updates immediately. Dynamic equivalents use the same engine and internal precision.
Target pressure = Source pressure in Pa ÷ pascals per target unit
Verifiable example
1 atm is exactly 101,325 Pa; 1 bar is 100,000 Pa and 1 psi is approximately 6,894.757293 Pa.
Calculations run locally in the browser and require no external API.
Frequently asked questions
How many pascals are in one atmosphere?
One standard atmosphere is exactly 101,325 Pa.
Are bar and atm the same?
No. 1 atm equals 1.01325 bar.
Are mmHg and torr identical?
They are extremely close but have slightly different definitions.