Pressure Converter
Convert pressure between psi, bar, kilopascals, standard atmospheres.
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What this tool does
Convert pressure between psi, bar, kilopascals, standard atmospheres. Factors express pressure in pascals. Gauge/absolute reference is not changed.
How to use the Pressure Converter
- Enter or select value.
- Enter or select from unit.
- Enter or select to unit.
- Read the calculated result; change any measurement to compare alternatives.
Formula
result = value × from.factor / to.factor; factors: psi=6894.757293168; bar=100000; kpa=1000; atm=101325
- value
- Value
- from
- From unit
- to
- To unit
Factors express pressure in pascals. Gauge/absolute reference is not changed.
Worked example
For pressure converter, the following measurements illustrate the exact method: Value: 1; From unit: psi; To unit: bar.
Inputs
- Value1
- From unitPSI
- To unitBar
Result
- Converted Bar0.07
Pressure conversion factors
| Unit | Factor to common base |
|---|---|
| PSI | 6894.757293168 |
| Bar | 100000 |
| Kilopascals | 1000 |
| Standard atmospheres | 101325 |
Results explained
- Converted Bar
- Converted Bar from the formula above. Factors express pressure in pascals. Gauge/absolute reference is not changed.
Frequently asked questions
Select the source and target units. The Swap control exchanges them, retaining the equivalent converted value.
Factors express pressure in pascals. Gauge/absolute reference is not changed. The formula and reference table list all supported definitions.
Only units of the same physical quantity are convertible. The selected group's definitions are fixed and do not depend on location.
The formulas use JavaScript double precision. Display rounding can hide trailing digits, but factors are not rounded before computation.
Yes. A zero amount converts to zero in every unit in this group.