Converter Tool

Pressure Converter

Convert between Pascal, kPa, bar, psi, and atmosphere. 100% client-side — no data is sent to any server.

Everyday pressure measurements

Tire pressure, industry

⚡ Quick Reference

1 atm = 101.325 kPa
1 bar = 100 kPa
1 psi = 6.895 kPa
1 atm = 14.696 psi
1 bar = 14.504 psi
1 atm = 1.013 bar

🔒 All processing happens in your browser. No data is sent to any server.

How to use this Pressure Converter

Converting pressure units is simple with our free online tool. Enter the value you want to convert, select the From unit (Pa, kPa, bar, psi, or atm), and choose the To unit.

The conversion happens automatically. You can also load common pressures like atmospheric pressure or tire pressure with a single click, or copy the result to your clipboard.

What this pressure converter does

  • Five pressure unitsConvert between Pa, kPa, bar, psi, and atm.
  • Accurate conversionsUses precise mathematical formulas with standard conversion factors.
  • Common pressuresQuickly load typical pressure values for atmospheric, tire, scuba, and water.
  • Swap unitsEasily swap between From and To units.
  • Copy resultCopy the converted value with one click.
  • 100% client-sideAll processing happens in your browser. No data is sent to servers.

Common use cases

  • Convert tire pressure between psi and kPa for international vehicles
  • Calculate atmospheric pressure for weather and altitude measurements
  • Convert pressure readings for scuba diving and underwater applications
  • Calculate water pressure for plumbing and irrigation systems
  • Convert pressure readings in industrial and manufacturing processes
  • Calculate pressure in scientific experiments and laboratory settings

📊 Pressure Reference

Common Pressures
  • Atmospheric: 101.325 kPa (14.7 psi)
  • Tire pressure: ~220 kPa (32 psi)
  • Scuba tank: ~20,000 kPa (3000 psi)
  • Water pressure: ~400-550 kPa (60-80 psi)
Unit Relationships
  • 1 atm = 101.325 kPa = 14.696 psi
  • 1 bar = 100 kPa = 14.504 psi
  • 1 psi = 6.895 kPa = 0.06895 bar

Frequently Asked Questions