Convert Bar to Pounds per Square Inch
Instantly convert Bar (bar) to Pounds per Square Inch (psi) with our free online calculator.
Formula: bar to psi — multiply by 14.5038
Reference Table
| Bar (bar) | Pounds per Square Inch (psi) |
|---|---|
| 1 | 14.5038 |
| 5 | 72.5189 |
| 10 | 145.038 |
| 25 | 362.594 |
| 50 | 725.189 |
| 100 | 1450.38 |
How to Convert Bar to Pounds per Square Inch
Formula
To convert Bar (bar) to Pounds per Square Inch (psi): multiply by 14.5038
Step-by-Step
- Start with your value in Bar (bar).
- Multiply by 14.5038 to perform the conversion.
- The result is your value expressed in Pounds per Square Inch (psi).
Conversion Factor
1 bar = 14.5038 psi
Reverse Factor
1 psi = 0.0689476 bar
Worked Example
Convert 25 Bar to Pounds per Square Inch: 25 bar = 362.594 psi
About Bar (bar)
A metric unit of pressure equal to exactly 100,000 pascals (100 kPa), approximately equal to Earth's average sea-level atmospheric pressure. Not an SI unit but widely accepted for engineering use. Bars are the default unit in European industry for compressed gas, hydraulics, and process plants; car tire pressures in much of the world are quoted in bar (about 2.2 bar for a passenger car). Gauges on scuba equipment, brewery CO₂ tanks, and espresso machines typically read in bar.
About Pound per Square Inch (psi)
An imperial unit of pressure equal to one pound-force applied over one square inch (about 6,895 Pa). PSI is the dominant US pressure unit: tire inflation (32–35 psi for most cars), compressed air systems, hydraulic equipment, firearms ammunition chamber pressures, and municipal water supply. US engineering textbooks and specifications for valves, pumps, and pipes are still written in psi. Converting psi to kPa (×6.895) or psi to bar (÷14.504) are the most common US-to-metric pressure conversions.
Quick Facts
- 1 Bar equals 14.5038 Pounds per Square Inch
- 1 Pound per Square Inch equals 0.0689476 Bar
- Bar is a unit of pressure
- Pound per Square Inch is a unit of pressure
- This conversion is commonly used in tire inflation, weather reporting, scuba diving, and engineering
- The Bar belongs to the metric system
- The Pound per Square Inch belongs to the imperial system
Common Bar to Pound per Square Inch Conversions
| Bar (bar) | Pounds per Square Inch (psi) |
|---|---|
| 0.1 | 1.45038 |
| 0.5 | 7.25189 |
| 1 | 14.5038 |
| 2 | 29.0075 |
| 5 | 72.5189 |
| 10 | 145.038 |
| 14.696 | 213.147 |
| 15 | 217.557 |
| 20 | 290.075 |
| 25 | 362.594 |
| 50 | 725.189 |
| 100 | 1450.38 |
| 150 | 2175.57 |
| 200 | 2900.75 |
| 500 | 7251.89 |
| 1000 | 14503.8 |
Understanding Bar
The Bar (symbol: bar) is a unit of pressure. A metric unit of pressure equal to exactly 100,000 pascals (100 kPa), approximately equal to Earth's average sea-level atmospheric pressure. Not an SI unit but widely accepted for engineering use. Bars are the default unit in European industry for compressed gas, hydraulics, and process plants; car tire pressures in much of the world are quoted in bar (about 2.2 bar for a passenger car). Gauges on scuba equipment, brewery CO₂ tanks, and espresso machines typically read in bar.
It belongs to the metric measurement system.
Bar are commonly used in tire inflation, weather reporting, scuba diving, and engineering.
Understanding Pounds per Square Inch
The Pound per Square Inch (symbol: psi) is a unit of pressure. An imperial unit of pressure equal to one pound-force applied over one square inch (about 6,895 Pa). PSI is the dominant US pressure unit: tire inflation (32–35 psi for most cars), compressed air systems, hydraulic equipment, firearms ammunition chamber pressures, and municipal water supply. US engineering textbooks and specifications for valves, pumps, and pipes are still written in psi. Converting psi to kPa (×6.895) or psi to bar (÷14.504) are the most common US-to-metric pressure conversions.
It belongs to the imperial measurement system.
Pounds per Square Inch are commonly used in tire inflation, weather reporting, scuba diving, and engineering.
Why Convert Bar to Pounds per Square Inch?
Engineers, mechanics, and scientists frequently need to convert pressure between Bar and Pounds per Square Inch when working with different measurement standards. Tire pressure, blood pressure readings, weather barometric measurements, and industrial process specifications may all use different pressure units depending on the region or discipline. Reliable conversion prevents equipment misuse and ensures safety.
Frequently Asked Questions
How do I convert Bar to Pounds per Square Inch?
A metric unit of pressure equal to exactly 100,000 pascals (100 kPa), approximately equal to Earth's average sea-level atmospheric pressure. To convert Bar to Pounds per Square Inch, multiply by 14.5038. For example, 25 bar equals 362.594 psi.
How many Pounds per Square Inch are in 1 Bar?
There are 14.5038 Pounds per Square Inch in 1 Bar.
How many Bar are in 1 Pound per Square Inch?
There are 0.0689476 Bar in 1 Pound per Square Inch.
What is the formula for Bar to Pound per Square Inch conversion?
The formula is: multiply by 14.5038. This means 1 bar = 14.5038 psi.
Is a Bar bigger than a Pound per Square Inch?
No. One Bar is smaller than one Pound per Square Inch because 1 bar equals 14.5038 psi, which is greater than 1.
When do you need to convert between Bar and Pounds per Square Inch?
An imperial unit of pressure equal to one pound-force applied over one square inch (about 6,895 Pa). Bar and Pound per Square Inch are both pressure units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.