Pressure Converter
Convert tire pressure between PSI, kPa, and bar.
Convert pressure units
Frequently asked questions
What is the relationship between PSI, kPa, and bar?
One PSI equals approximately 6.894757 kPa. One bar equals 100 kPa.
Should I inflate my tires based only on this converter?
No. Always follow the vehicle tire information placard, owner’s manual, or tire manufacturer guidance.
Does temperature affect tire pressure?
Yes. Tire pressure changes with temperature, operating conditions, and tire load.
Is this pressure converter a tire inflation recommendation?
No. It only converts units and does not recommend a pressure for a specific vehicle or tire.
Reference note
This converter uses 1 PSI = 6.894757 kPa and 1 bar = 100 kPa. Always follow the vehicle tire information placard, owner’s manual, or tire manufacturer guidance for inflation pressure decisions.