How do I convert Bar to Pounds per square inch (psi)?

1 bar equals 14.503774 psi using SI-based conversion and precise factors.

What is the formula to convert Bar to Pounds per square inch (psi)?

This is a linear unit conversion using a constant factor between units.

How can I share a direct bar to psi result?

Use the shareable URL: https://measurecalc.com/convert/bar-to-psi

Convert Bar to Pounds per square inch (psi)

Q: Is Bar to Pounds per square inch (psi) conversion exact?

The result uses the defined conversion factors for these units; displayed values may be rounded.

Category: Pressure

Value From To Precision

14.503774 psi

1 bar = 14.503774 psi

Precision: 6 decimals; very small non-zero results use significant digits.

How to convert bar to pounds per square inch (psi)

Pressure is force per unit area. Pascals (and kPa, hPa) are SI, while bar and psi are widely used in engineering and scuba. Conversions must respect absolute vs gauge references when comparing values.

Share this conversion: /convert/bar-to-psi

Quick conversion table

Handy values for Bar to Pounds per square inch (psi). Click a value to calculate that result.

Bar	Pounds per square inch (psi)
	14.503774
	7.251887
	36.259434
	145.037738

Conversion formula

Use the following formula:

Pounds per square inch (psi) ≈ Bar × 14.503773773022

Convert pressure from Bar to Pounds per square inch (psi) using a fixed unit ratio. Round only the final result.

Common mistakes

Comparing gauge pressure (psig) with absolute pressure (psia/hPa) without converting reference.
Mixing bar with atm (1 atm = 1.01325 bar).

Unit facts

Bar: One bar is exactly 100,000 Pa; convenient near-atmospheric unit used in meteorology and diving.
Pounds per square inch (psi): Pounds per square inch (psi) is common for tires, hydraulics, and scuba tanks (1 psi ≈ 6,894.76 Pa).

About Bar

Bar

Equals 100,000 Pa (exact). Handy engineering unit near mean sea-level pressure (≈1.01325 bar).

History: Introduced by early 20th-century meteorologists; remains popular in scuba, hydraulics, and weather.

About Pounds per square inch (psi)

Pounds per square inch (psi)

Imperial/US pressure unit. Common for tires, hydraulics, and compressors; often shown with gauge (psig) vs absolute (psia).

History: Industrial adoption in North America entrenched psi as a practical non-SI unit.

Frequently asked questions

How many Pounds per square inch (psi) are in one Bar?

1 Bar equals 14.503774 Pounds per square inch (psi).

Is Bar to Pounds per square inch (psi) conversion exact?

Many unit conversions are exact by definition, while others use standardized conversion constants.

What is the fastest way to convert Bar to Pounds per square inch (psi)?

Enter a value in Bar, choose Pounds per square inch (psi) as the target unit, and the calculator will instantly return the result.

Convert Bar to other units

bar → pa Pascal (Pa)
bar → atm Standard atmosphere (atm)

Convert other units to Pounds per square inch (psi)

atm → psi Standard atmosphere (atm)