Unit converter — Pressure

Bar to pounds per square inch converter

Convert bar (bar) to pounds per square inch (psi). Source-cited conversion factor, exact to the displayed precision.

Your figure
Swap to psi bar
Result
Pounds per square inch

14.5038 psi

1 bar = 14.5038 psi

Conversion factor
1 bar = 14.5038 psi
Reverse
1 psi = 0.068948 bar

Results are mathematically exact for the displayed precision. How we calculate.

How it's calculated

Convert bar to pounds per square inch— the formula

Bar convert to pounds per square inch by multiplying by the published conversion factor. The factor below is exact to the precision shown, sourced from the citation under the formula.

psi = bar × 14.5038
bar = psi × 0.068948

Pascal: SI derived. 1 bar = 100,000 Pa exactly; 1 psi = 6894.757293168 Pa; 1 atm = 101,325 Pa exactly; 1 mmHg (Torr) = 133.322387415 Pa (NIST SP 811).

Questions

Frequently asked questions

  • How many pounds per square inch are in a bar?

    1 bar = 14.5038 psi. To convert any amount, multiply by 14.5038.
  • How do you convert bar to pounds per square inch?

    Multiply the number of bar by 14.5038 to get pounds per square inch. The formula is shown in the "How it's calculated" section above.
  • Where does the conversion factor come from?

    It's a published international standard. Most are defined exactly by international agreement (e.g. 1 inch = 25.4 mm exactly, 1 lb = 0.45359237 kg exactly). Source citations are listed under the formula above.

Want a calculator built for your business?

Customize any of our 400+ tools to match your brand, or commission a new one tailored to how your business actually calculates — pricing, payroll, quotes, anything. Deployed on your domain, math runs in your visitors' browsers.