bar to psi Converter Online
Convert bar to psi with our online pressure converter. Designed for engineers, mechanics, and scientists needing reliable unit conversions.
Bar
Pound per square inch
How to convert bar to psi
Follow this quick workflow to convert any bar value into psi instantly.
Enter the bar value
Type your pressure measurement in bar into the input field.
Apply the conversion factor
The tool multiplies by 14.5038, the standard bar to psi factor.
Read your psi result
The converted psi value appears instantly and is ready to copy.
Why use this bar to psi Converter?
Built for speed, precision, and technical workflows.
The Mathematical Formula
We use psi = bar × 14.5037738, the exact factor recognized by NIST and ISO standards.
Real-Time Precision
Results update as you type, delivering up to six decimal places of accuracy.
Works on All Devices
Runs smoothly in any modern browser on desktop, tablet, or smartphone.
Quick Reference
| Bar | Pound per square inch |
|---|---|
| 1 bar | 14.5038 psi |
| 2 bar | 29.0075 psi |
| 5 bar | 72.5189 psi |
| 10 bar | 145.0377 psi |
| 20 bar | 290.0755 psi |
| 50 bar | 725.1887 psi |
Practical Examples of bar to psi
Real-world scenarios where this conversion is useful.
Automotive Tire Pressure
2.5 bar of typical car tire pressure equals about 36.26 psi.
Industrial Hydraulics
200 bar in heavy machinery converts to roughly 2900.76 psi.
Scuba Tank Pressure
232 bar in a diving cylinder equals around 3364.88 psi at full charge.
Standard Atmosphere
1.01325 bar of sea-level atmospheric pressure equals 14.696 psi.
Frequently Asked Questions
Common queries regarding this specific conversion.
Q.What is the exact relationship between bar and psi?
One bar equals 14.5037738 psi. Bar is a metric pressure unit, while psi is imperial.
Q.Is bar the same as one standard atmosphere?
Almost. 1 bar equals 0.98692 atm, making it slightly lower than standard atmospheric pressure.
Q.Why do engineers convert bar to psi?
The US uses psi for gauges and specs, while Europe and most industries use bar.
Q.How accurate is this bar to psi conversion?
It uses the precise NIST factor 14.5037738, ensuring laboratory-grade results.
Discover Related Tools
Need to convert back? Use the reverse Pound per square inch to Bar calculator. For other measurements, explore our complete suite of Pressure Converters or the full Unit Converter Hub.