Convert between all common pressure units for engineering and science.
1 atm = 101.325 kPa = 1.01325 bar = 14.696 psi.
Tire pressure is typically specified in bar or PSI.
Reach for this calculator when precision matters more than rough approximation — whether that is for a financial decision, a planning task, or simply getting the right answer the first time.
A common mistake is misidentifying which formula applies to the specific version of the problem. Many everyday calculations have superficially similar variants that use different formulas — always check which scenario matches your situation.
A freelancer calculates the exact number of working days between a project start and deadline, accounting for weekends and public holidays. The result tells them whether the timeline is achievable before accepting the brief — not after.
Multiply bar by 14.5038. Example: 2 bar = 29.0 PSI.