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Pressure Converter

Convert pressure units using standard atmosphere, bar and pound-force per square inch. Gauge and absolute references are not changed by unit conversion.

Enter your values

Enter a numeric value. Use a non-negative value.
Check the selected option before calculating.
Check the selected option before calculating.

Use a decimal point, without thousands separators.

Example result
Converted value
0.1 kPa

The initial result uses the example values. Enter your own values and calculate again.

Edit inputs

How it works

Convert pressure units using standard atmosphere, bar and pound-force per square inch. Gauge and absolute references are not changed by unit conversion.

Inputs and units
Pressure Converter · Inputs and units
InputExample valueWhat to enter
Value100Enter a numeric value. Use a non-negative value.
From unitPaCheck the selected option before calculating.
To unitkPaCheck the selected option before calculating.
result = value × source factor / destination factor

Worked example

Show example inputs and results

This example is generated by the same calculation engine using the starting values in the form. Your own inputs produce your own result.

Value
100
From unit
Pa
To unit
kPa

Complete example results

Converted value
0.1 kPa

Reading the result

Check the definitions of the source and target units. A conversion changes the representation of a measurement; it does not measure the quantity again. Round at the final step if you will reuse the result.

Questions and answers

Can I use the example values for my own calculation?

The example values illustrate the calculation. Replace every input with your own information, especially dates, rates and the selected operation.

Which unit convention is used?

Convert pressure units using standard atmosphere, bar and pound-force per square inch. Gauge and absolute references are not changed by unit conversion.

Why are some results rounded?

Results display up to 8 decimal places. Calculations use the unrounded values; very small values use scientific notation. JavaScript floating-point arithmetic can introduce tiny rounding differences.

Are my inputs sent to a server?

The calculator processes inputs in your browser. Its code does not send your values to a server.

Conversion reference: NIST SI Guide

Methods & accuracy

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