PSI Bar kPa Converter

Exact conversion

PSI to bar formula

bar = psi × 0.0689475729

1 psi equals 0.0689475729 bar. 10 psi equals 0.689475729 bar.

About these units

psi
Pounds per square inch, common for tires and equipment.
bar
Bar, a pressure unit often used in weather and engineering.

Before you use the result

psi to bar context and checks

Best use
Use pressure conversions for tire pressure, gauges, lab notes, weather, hydraulics, and engineering references.
Common mistake
Confirm whether a value is gauge pressure or absolute pressure when the context matters.
Precision note
Keep enough digits for safety, lab, or equipment work and follow the required unit convention in the source document.

Example check: 1 psi converts to 0.0689475729 bar. Use this known value to sanity-check a spreadsheet, homework solution, spec sheet, or manual calculation.

Common psi to bar conversion table

psibar
1 psi0.0689475729 bar
5 psi0.344737865 bar
10 psi0.689475729 bar
25 psi1.72368932 bar
50 psi3.44737865 bar
100 psi6.89475729 bar

Pressure & Speed guide

How to use the PSI Bar kPa Converter

Convert psi (psi) to bar (bar) with the exact pressure formula, worked examples, and a common-values table. The page also explains the PSI to bar formula and shows a practical example: 1 psi equals 0.0689475729 bar. 10 psi equals 0.689475729 bar.

  1. 1

    Enter your details

    Enter the source value, then choose the units or values you want to convert.

  2. 2

    Check the calculation

    Review the result alongside the PSI to bar formula: bar = psi × 0.0689475729.

  3. 3

    Compare scenarios

    Change one or more inputs to see how they affect the PSI Bar kPa Converter result before you use the estimate.