Pressure Converter

Convert PSI, bar, kPa, kgf/cm² and atmospheres instantly. Compare pressure units on gauges, tires and equipment without changing the pressure reference.

Start here

Enter a value and select the original unit.

Browser-first

Measurements are calculated locally in your browser and are not uploaded or stored on a server.

Useful for

Compare tire and gauge units

Use a decimal point without thousands separators.

Common examples
PSI32
kPa220.6322334
bar2.206322334
kgf/cm²2.249822655
atm2.177470845

This is not a recommended tire pressure. Follow the manufacturer specification. The gauge or absolute reference stays unchanged.

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Quick answer

Pressure Converter: keep the same pressure reference

Pressure units convert by a fixed ratio. Changing the unit does not change whether a value is gauge pressure or absolute pressure.

Use this when

Compare tire and gauge units.

Know the boundary

This is not a tire-pressure recommendation. Use the vehicle or equipment specification; gauge-to-absolute conversion requires a pressure reference.

Useful next step

Temperature: Convert Fahrenheit to Celsius and Kelvin with instant results, common temperature presets, and checks against values below absolute zero.

About this tool

Convert PSI, bar, kPa, kgf/cm² and atmospheres instantly. Compare pressure units on gauges, tires and equipment without changing the pressure reference.

Measurements are calculated locally in your browser and are not uploaded or stored on a server.

How to use it

  1. Enter a value and select the original unit.
  2. Read the results in each supported unit.
  3. Check the source specification and the limits before using the result.

Common use cases

  • Compare tire and gauge units
  • Read pressure specifications
  • Check classroom pressure conversions

How the conversion works

Pressure units convert by a fixed ratio. Changing the unit does not change whether a value is gauge pressure or absolute pressure.

2.4 bar = 240 kPa, approximately 34.81 PSI.

Check before using the result

This is not a tire-pressure recommendation. Use the vehicle or equipment specification; gauge-to-absolute conversion requires a pressure reference.

FAQ

How many kPa are in one bar?

One bar equals exactly 100 kPa.

Does this convert gauge pressure to absolute pressure?

No. It keeps the original reference. Gauge and absolute pressure differ by the local atmospheric pressure.

What is kgf/cm²?

Kilogram-force per square centimeter is a pressure unit. It is not kilograms of mass per square centimeter.