Pressure Converter
Convert pressure between pascals, kilopascals, bar, psi and standard atmospheres.
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How to use this tool
Enter a pressure and select its source and target units.
Important to know
Convert pressure between pascals, kilopascals, bar, psi and standard atmospheres.
Use the same pressure reference on both sides: gauge and absolute pressure cannot be interchanged by unit conversion alone. Negative values can represent gauge pressure.
Formula and methodology
1 kPa = 1,000 Pa; 1 bar = 100,000 Pa; 1 standard atmosphere = 101,325 Pa; 1 psi ≈ 6,894.757293168 Pa.
Example
1 bar equals 100 kPa.
Frequently asked questions
Does this change gauge pressure into absolute pressure?
No. That calculation needs local atmospheric pressure in addition to a unit conversion.