Pressure Converter
Free online pressure converter
Popular pressure conversions
About pressure units
Pressure is force per area. The Pascal (Pa) is SI; bar and psi are common in engineering; atm in science.
- Standard atmosphere: 101,325 Pa.
- Bar: 100,000 Pa.
Units in Pressure Converter
-
Bar
(bar)
1 bar = 100,000 Pa; convenient for weather and diving gauges.
-
Pascal (Pa)
(pa)
Pascal (Pa) = 1 N/m²; SI unit of pressure.
-
Pounds per square inch (psi)
(psi)
Pounds per square inch; common for tire pressure and hydraulics.
-
Standard atmosphere (atm)
(atm)
Standard atmosphere = 101,325 Pa.
-
Torr
(torr)
Torr ≈ 133.3 Pa; used in vacuum systems.
Formulas and notes
Distinguish gauge vs absolute pressure (psig vs psia/hPa).
Quick examples
FAQ
Is pressure conversion exact?
Many conversions are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).
Can I share a specific result?
Yes. Every converter has a clean, shareable URL like
/convert/meter-to-foot/2.5.