The kilopascal
The kilopascal (kPa) equals exactly 1,000 pascals. It is the standard pressure unit in modern meteorology, engineering specs outside the US, and most non-US tire-pressure recommendations.
1 kPa = 0.01 bar (kilopascal → bar)
1 kPa = 0.01 bar
1 kilopascal equals 0.01 bars. To convert kilopascals to bars, multiply the kilopascal value by 0.01. For quick reference: 1 kPa = 0.01 bar, 5 kPa = 0.05 bar, 10 kPa = 0.1 bar, 100 kPa = 1 bar.
Bars = Kilopascals × 0.01Kilopascals to bar divides by 100 — 1 bar = 100 kPa exactly. A 220 kPa Australian tyre placard is 2.2 bar; standard atmospheric pressure of 101.325 kPa is 1.013 bar. Both are metric: kPa is the strictly SI choice used in scientific work and Australian tyre markings, while bar gives rounder everyday numbers and dominates continental European gauges. The clean ÷100 makes switching between them trivial.
Pressure-washer and compressed-air equipment spec sheets sometimes list kilopascals for the European market and bar for the trade catalogue side by side. A 300 kPa rating is 3.000 bar; a domestic washer at 2,500 kPa is 25 bar, well beyond garden-hose pressure. Because 1 bar equals exactly 100 kPa, the conversion is a clean decimal shift with no rounding error, unlike most pressure unit pairs. Technicians reading a kPa-only nameplate on imported equipment can convert instantly to the bar figures their gauges and manuals actually use.
Start with your value in kilopascals.
Multiply the kilopascal value by 0.01. This is the exact conversion factor from kilopascals to bars.
The product is your value in bars. For example, 5 kPa × 0.01 = 0.05 bar.
The exact factor from kilopascals to bars is 0.01.
Bars = Kilopascals × 0.01
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| Kilopascals (kPa) | Bars (bar) |
|---|---|
| 0.001 kPa | 1.0000 × 10^−5 bar |
| 0.01 kPa | 0.0001 bar |
| 0.1 kPa | 0.001 bar |
| 0.5 kPa | 0.005 bar |
| 1 kPa | 0.01 bar |
| 1.5 kPa | 0.015 bar |
| 2 kPa | 0.02 bar |
| 2.5 kPa | 0.025 bar |
| 3 kPa | 0.03 bar |
| 4 kPa | 0.04 bar |
| 5 kPa | 0.05 bar |
| 6 kPa | 0.06 bar |
| 7 kPa | 0.07 bar |
| 8 kPa | 0.08 bar |
| 9 kPa | 0.09 bar |
| 10 kPa | 0.1 bar |
| 14 kPa | 0.14 bar |
| 15 kPa | 0.15 bar |
| 20 kPa | 0.2 bar |
| 25 kPa | 0.25 bar |
| 30 kPa | 0.3 bar |
| 32 kPa | 0.32 bar |
| 35 kPa | 0.35 bar |
| 40 kPa | 0.4 bar |
| 50 kPa | 0.5 bar |
| 60 kPa | 0.6 bar |
| 75 kPa | 0.75 bar |
| 80 kPa | 0.8 bar |
| 100 kPa | 1 bar |
| 101.325 kPa | 1.0133 bar |
| 150 kPa | 1.5 bar |
| 200 kPa | 2 bar |
| 250 kPa | 2.5 bar |
| 300 kPa | 3 bar |
| 400 kPa | 4 bar |
| 500 kPa | 5 bar |
| 760 kPa | 7.6 bar |
| 1000 kPa | 10 bar |
| 1013.25 kPa | 10.133 bar |
| 2000 kPa | 20 bar |
| 5000 kPa | 50 bar |
| 10000 kPa | 100 bar |
| 14.7 kPa | 0.147 bar |
| 50000 kPa | 500 bar |
| 100000 kPa | 1000 bar |
| 101325 kPa | 1013.3 bar |
| 200000 kPa | 2000 bar |
| 500000 kPa | 5000 bar |
| 1000000 kPa | 10000 bar |
| 10000000 kPa | 100000 bar |
Tire pressure for most passenger cars is around 220 kPa. Standard atmospheric pressure is 101.325 kPa.
The kilopascal (kPa) equals exactly 1,000 pascals. It is the standard pressure unit in modern meteorology, engineering specs outside the US, and most non-US tire-pressure recommendations.
The bar equals exactly 100,000 pascals — close to but not equal to standard atmospheric pressure (1 atm = 1.01325 bar). It is the working unit for compressed-air systems, pneumatic tools, dive computers, and weather pressure outside North America.
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