Bar to PSI Converter
Quick answer: To convert bar to PSI, multiply by 14.50377. For example, 10 bar is 145.0377 psi. One bar equals 14.50377 psi.
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Use the Bar to PSI Converter
Bar to PSI formula and what each symbol means
psi = bar × 14.50377
| Symbol | Meaning |
|---|---|
| bar | Bar |
| psi | Pound per square inch |
Bar to PSI examples
1 bar
1 bar × 14.50377 = 14.50377 psi.
10 bar
10 bar × 14.50377 = 145.0377 psi.
100 bar
100 bar × 14.50377 = 1,450.377 psi.
Bar compared with PSI
One bar is 14.5 times as large as one psi, so your number gets bigger when you convert bar to PSI and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About bar and PSI
Bar (bar): Exactly 100,000 pascals. Pound per square inch (psi): One pound-force per square inch, about 6,894.757 pascals.
Where bar to PSI conversions are used
Tyre pressure is shown in psi, bar or kPa, depending on the vehicle and country. Weather maps use hectopascals or millibars, and altitude and diving use bar or atmospheres.
How to calculate Bar to PSI step by step
- Enter the value in bar (the starting unit).
- Multiply by 14.50377, because 1 bar = 14.50377 psi.
- The product is the value in psi. To go back, divide by 14.50377 or multiply by 0.06894757.
Popular pressure conversions
How to read your Bar to PSI result
Quick estimate: multiply by about 14.5 to get PSI from bar; this is within 0.1% of the exact factor. One standard atmosphere is exactly 101,325 Pa, and one bar is exactly 100,000 Pa.
| BAR | PSI |
|---|---|
| 1 | 14.50377 |
| 2 | 29.00755 |
| 5 | 72.51887 |
| 10 | 145.0377 |
| 20 | 290.0755 |
| 50 | 725.1887 |
| 100 | 1,450.377 |
| 1,000 | 14,503.77 |
PSI to Bar: quick table
| PSI | BAR |
|---|---|
| 1 | 0.06894757 |
| 5 | 0.3447379 |
| 10 | 0.6894757 |
| 25 | 1.723689 |
| 50 | 3.447379 |
| 100 | 6.894757 |
| 250 | 17.23689 |
| 500 | 34.47379 |
Common mistakes when calculating Bar to PSI
- Treating gauge pressure and absolute pressure as the same: absolute pressure equals gauge plus atmospheric pressure.
- Dividing when you should multiply: from bar to psi multiply by 14.50377; from psi to bar divide by 14.50377.
Bar to PSI FAQ
How many psi are in 1 bar?
1 bar equals 14.50377 psi.
How many bar are in 1 psi?
1 psi equals 0.06894757 bar.
Is 1 bar = 14.50377 psi an exact conversion?
The factor is shown rounded to 7 significant figures (14.50377). The calculator above uses more digits.
What is a pound per square inch (psi)?
One pound-force per square inch, about 6,894.757 pascals.
How can I estimate bar to PSI in my head?
Quick estimate: multiply by about 14.5 to get PSI from bar; this is within 0.1% of the exact factor.
What is 75 bar in PSI?
75 bar = 1,087.783 psi (since 75 × 14.50377).
What is 300 bar in PSI?
300 bar = 4,351.132 psi (since 300 × 14.50377).
What is 12 bar in PSI?
12 bar = 174.0453 psi (since 12 × 14.50377).
How many decimals should I keep when converting bar to psi?
Match the precision of your original measurement. For example, 145.0377 psi rounds to 145 psi at 3 significant figures; keep more digits only for engineering or scientific work.
More in Pressure converters
- kPa to mmHg Converter
- Bar to kPa Converter
- kPa to Pascals Converter
- Bar to Atmospheres Converter
- kPa to PSI Converter
- Atmospheres to PSI Converter
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the SI derived units