Pressure Converter

Convert pressure between pascals, bar, psi, and atmospheres.

Calculate

Enter your values below.

Result

Converted value
0

Formula used

Each unit converts through pascals as a common base.

Example: 1 atmosphere ≈ 101,325 pascals ≈ 14.7 psi.

How to use this calculator

  1. Enter Value.
  2. Choose From, To.
  3. Press Calculate to see your result instantly.

Frequently asked questions

What is the base unit used internally?

Pascals, the SI unit of pressure.

What is psi commonly used for?

Tire pressure and many engineering specifications in the US.

Can I convert bar to psi?

Yes, any pair of supported units works.

What is standard atmospheric pressure?

1 atmosphere, defined as exactly 101,325 pascals.