Bar โ†” PSI Converter

Convert between bar and psi (pounds per square inch) instantly

Metric pressure unit (1 bar โ‰ˆ 14.5 psi)
Imperial pressure unit (1 psi โ‰ˆ 0.0689 bar)
Conversion Result
1 bar = 14.5038 psi
1 bar = 100,000 Pa โ€ข 0.987 atm โ€ข 750.062 mmHg

๐Ÿ“š Bar โ†” PSI Conversion Details

Bar to PSI Formula

psi = bar ร— 14.5038

To convert bar to psi, multiply the bar value by 14.5038.

PSI to Bar Formula

bar = psi รท 14.5038

To convert psi to bar, divide the psi value by 14.5038.

Bidirectional Conversion

This converter works both ways simultaneously:

  • Type in bar โ†’ psi updates automatically
  • Type in psi โ†’ bar updates automatically
  • No buttons to click - works as you type

Common Uses

  • Car tire pressure
  • Scuba diving tanks
  • Industrial equipment
  • HVAC systems

๐Ÿ“ How This Converter Works

This is a bidirectional converter that works in real-time:

  1. Bar โ†’ PSI: When you type in the bar field, the psi field automatically updates
  2. PSI โ†’ Bar: When you type in the psi field, the bar field automatically updates
  3. No swapping needed: Both conversions happen simultaneously
  4. Real-time: Updates happen as you type, no button clicks required
// Bidirectional Conversion Logic:
psi = bar ร— 14.5038
bar = psi รท 14.5038

// Example 1: Type "2" in bar
psi = 2 ร— 14.5038 = 29.0076

// Example 2: Type "30" in psi
bar = 30 รท 14.5038 = 2.0684

๐Ÿ“Š Common Pressure Ranges

Car Tire Pressure 2.0 - 2.5 bar (29-36 psi)
Road Bike Tires 6.0 - 9.0 bar (87-130 psi)
Mountain Bike Tires 2.5 - 4.0 bar (36-58 psi)
Scuba Tank (Full) 200 - 300 bar (2900-4350 psi)
Atmospheric Pressure 1.01325 bar (14.696 psi)

๐Ÿ“‹ Conversion Table

Bar PSI Common Application
0.5 bar 7.25 psi Low-pressure systems
1.0 bar 14.50 psi Atmospheric pressure
2.0 bar 29.01 psi Car tires
2.5 bar 36.26 psi SUV tires
3.0 bar 43.51 psi Light truck tires
5.0 bar 72.52 psi Industrial air tools

โ“ Frequently Asked Questions

Q: What is the exact conversion factor between bar and psi?

A: 1 bar = 14.503773773 psi exactly. This converter uses 14.5038 for practical calculations.

Q: How does the bidirectional conversion work?

A: Both input fields work simultaneously. When you change the bar value, psi updates automatically. When you change the psi value, bar updates automatically.

Q: Do I need to click any button to convert?

A: No! The conversion happens automatically as you type in either field.

Q: What is bar pressure used for?

A: Bar is commonly used in Europe for tire pressure, weather reports, and industrial applications.

Q: What is PSI used for?

A: PSI (pounds per square inch) is commonly used in the US for tire pressure, scuba diving, and hydraulic systems.