Bar to Pascal Converter
Convert bar to pascals instantly with our free online tool. Ideal for SI documentation, hydraulic specs, and espresso engineering. Accurate bar to Pa results.
Pressure ConverterThe quick answer for 1 Bar — type any value below for the exact result
Bar
Pascal
Bar to Pascal Conversion Formula
To convert bar to pascals, multiply the bar value by 100000. The bar is defined as exactly 100,000 pascals, making this one of the cleanest pressure conversions in the metric system.
Bar and Pascal Explained
Bar (bar)
The bar is a metric pressure unit defined as exactly 100,000 pascals — a round power of ten that sits just 1.3 percent below the standard atmosphere. That deliberate sizing made it the gauge language of European industry: heating loops carry 1-2 bar, espresso pumps 9 bar, hydraulic power units 250 bar, and water-jetting pumps 700 bar. Its clean decimal definition means every bar value maps to pascals, kilopascals, or megapascals by simply shifting the decimal point.
Where it is used: Bar appears on machinery nameplates, compressor gauges, and tire stickers across Europe, the UK, and much of Asia, and the global diving industry rates cylinders in bar.
Origin: British meteorologist William Napier Shaw proposed the bar in 1909 as a near-atmosphere unit of convenient size, deriving the name from the Greek baros, meaning weight.
Pascal (pa)
The pascal (Pa) is the SI derived unit of pressure, defined as one newton of force acting on one square meter. Everyday machinery pressures produce large pascal figures — a 9 bar espresso pump generates 900,000 Pa and a 250 bar hydraulic unit 25,000,000 Pa — which is why practice favors its kilopascal and megapascal multiples. Reporting in base pascals remains the canonical SI form, keeping pressure dimensionally consistent with newtons, joules, and meters throughout engineering computation.
Where it is used: Pascals are the required unit in scientific publishing, SI certification files, laboratory instrumentation, and any documentation destined for regulatory review.
Origin: Named for Blaise Pascal, whose 17th-century experiments tied atmospheric pressure to altitude, the unit became the official SI pressure measure in 1971.
Bar to Pascal Conversion Table
| Bar (bar) | Pascal (pa) |
|---|---|
| 0.1 bar | 10000 pa |
| 0.2 bar | 20000 pa |
| 0.5 bar | 50000 pa |
| 1 bar | 100000 pa |
| 1.5 bar | 150000 pa |
| 2 bar | 200000 pa |
| 2.5 bar | 250000 pa |
| 3 bar | 300000 pa |
| 4 bar | 400000 pa |
| 5 bar | 500000 pa |
| 6.3 bar | 630000 pa |
| 7 bar | 700000 pa |
| 8 bar | 800000 pa |
| 10 bar | 1.000000e+6 pa |
| 15 bar | 1.500000e+6 pa |
| 20 bar | 2.000000e+6 pa |
| 30 bar | 3.000000e+6 pa |
| 50 bar | 5.000000e+6 pa |
| 100 bar | 1.000000e+7 pa |
Pascal to Bar Conversion Table
| Pascal (pa) | Bar (bar) |
|---|---|
| 1000 pa | 0.01 bar |
| 5000 pa | 0.05 bar |
| 10000 pa | 0.1 bar |
| 20000 pa | 0.2 bar |
| 50000 pa | 0.5 bar |
| 100000 pa | 1 bar |
| 101325 pa | 1.01325 bar |
| 200000 pa | 2 bar |
| 350000 pa | 3.5 bar |
| 500000 pa | 5 bar |
| 1.000000e+6 pa | 10 bar |
| 5.000000e+6 pa | 50 bar |
| 1.000000e+7 pa | 100 bar |
Bar to Pascal in Everyday Objects
Common real-world examples that make Bar and Pascal easy to picture at a glance.
| Bar (bar) | Pascal (pa) | |
|---|---|---|
| A gas-distribution line | 3 bar | 300000 pa |
| A tool-shop filter-regulator | 6.3 bar | 630000 pa |
| An aircraft hydraulic circuit | 207 bar | 2.070000e+7 pa |
| A keg carbonation setting | 2.5 bar | 250000 pa |
| A desalination membrane stage | 60 bar | 6.000000e+6 pa |
| A hydrostatic test bench | 400 bar | 4.000000e+7 pa |
When You Need Bar to Pascal Conversions
SI Lab Documentation
A German test rig reports 232 bar on its certificate; the journal submission requires SI, so record 23,200,000 Pa (23.2 MPa) in the methods section.
Espresso Pump Engineering
A rotary pump holds 9 bar during extraction — 900,000 Pa — the figure the machine engineering drawing tolerances as 0.9 MPa.
Pneumatic Circuit Classes
A filter-regulator set to 6 bar feeds the tool line at 600,000 Pa, matching the 0.6 MPa rating printed on the EU datasheet.
Boiler Commissioning
A heating loop charged to 1.5 bar is certified as 150,000 Pa (150 kPa) on the start-up sheet for the SI-based inspection file.
Related Pressure Conversions
How to Use
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1
Enter Bar Value
Type the bar reading — typical entries include heating loops (1-2 bar), espresso pumps (9 bar), and hydraulic power units (150-350 bar)
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2
View Pascal Result
The pascal equivalent appears instantly. For example, 2.3 bar converts to 230,000 Pa
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3
Copy or Swap
Copy the result or click Swap to convert pascals back to bar
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4
Express in SI Prefixes
Publications prefer prefixed units: divide by 1,000 for kilopascals or 1,000,000 for megapascals, so 250 bar = 25,000,000 Pa = 25 MPa
Why Use Be Converter?
Instant Conversion
Get precise bar to Pa results in real-time as you type — perfect for converting European specs into SI units
Exact Definition
Uses the definitional factor of exactly 100,000 Pa per bar with zero rounding — 1.01325 bar converts to 101,325 Pa, one standard atmosphere
Conversion Table
Quick reference with common values like 2.3 bar (230,000 Pa), 9 bar (900,000 Pa), and 250 bar (25,000,000 Pa)
Bidirectional
Easily swap between bar and pascals with one click for reverse conversions
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Frequently Asked Questions
How many pascals is 1 bar?
What is 2.5 bar in Pa?
Is bar an SI unit?
How do I convert hydraulic pressures from bar to Pa?
Is 1 bar the same as 1 atmosphere?
How many pascals is 10 bar?
How do I convert bar to MPa?
What is 0.5 bar in pascals?
About Bar to Pascal Converter
Our free online bar to pascal converter moves European machinery ratings into the SI unit every publication and certification body expects. Whether you are documenting a German hydraulic test rig, recording an espresso pump at 9 bar for an engineering drawing, commissioning a heating loop, or completing a pressure-vessel inspection file, this tool returns the exact value with no rounding drift. The bar — exactly 100,000 pascals — remains the working unit on gauges and nameplates across Europe, while the pascal anchors SI computation. Because the factor is a clean power of ten, results stay exact at any magnitude.
Expert Tips for Bar to Pascal Conversion
The conversion is a pure power-of-ten shift: append five zeros to a bar value. 1.5 bar = 150,000 Pa, 9 bar = 900,000 Pa, 232 bar = 23,200,000 Pa
For journals, convert onward to MPa by dividing bar by 10 — a 250 bar hydraulic unit is 25 MPa, and a 60 bar desalination membrane stage is 6 MPa
Espresso engineering holds extraction at 9 bar = 900,000 Pa; machine drawings often tolerance it as 0.9 MPa ± 0.1
Heating and gas systems: 1.5 bar = 150 kPa fill pressure and 3 bar = 300,000 Pa distribution mains — the numbers inspectors expect on commissioning sheets
Cross-check with atmosphere when a spec mixes units: 207 bar (aircraft hydraulic circuits) is 20,700,000 Pa or about 204 atm — the bar and atm differ by only 1.3 percent