kPa to Bar Converter
Quick answer: To convert kPa to bar, multiply by 0.01. For example, 10 kPa is 0.1 bar. One kilopascal equals 0.01 bar.
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Use the kPa to Bar Converter
kPa to Bar formula and what each symbol means
bar = kPa × 0.01
| Symbol | Meaning |
|---|---|
| kPa | Kilopascal |
| bar | Bar |
kPa to Bar examples
1 kPa
1 kPa × 0.01 = 0.01 bar.
10 kPa
10 kPa × 0.01 = 0.1 bar.
100 kPa
100 kPa × 0.01 = 1 bar.
kPa compared with Bar
One bar is 100 times as large as one kPa, so your number gets smaller when you convert kPa to bar and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
About kPa and bar
Kilopascal (kPa): 1,000 pascals. Bar (bar): Exactly 100,000 pascals.
Where kPa to bar conversions are used
Weather maps use hectopascals or millibars, and altitude and diving use bar or atmospheres. Hydraulics, boilers and pneumatic tools list their limits in bar, psi or MPa.
How to calculate kPa to Bar step by step
- Enter the value in kPa (the starting unit).
- Multiply by 0.01, because 1 kPa = 0.01 bar.
- The product is the value in bar. To go back, divide by 0.01 or multiply by 100.
Popular pressure conversions
How to read your kPa to Bar result
The pascal is the SI unit, but gauges use bar, psi, atmospheres or mmHg depending on the field.
| KPA | BAR |
|---|---|
| 1 | 0.01 |
| 2 | 0.02 |
| 5 | 0.05 |
| 10 | 0.1 |
| 20 | 0.2 |
| 50 | 0.5 |
| 100 | 1 |
| 1,000 | 10 |
Bar to kPa: quick table
| BAR | KPA |
|---|---|
| 1 | 100 |
| 5 | 500 |
| 10 | 1,000 |
| 25 | 2,500 |
| 50 | 5,000 |
| 100 | 10,000 |
| 250 | 25,000 |
| 500 | 50,000 |
Common mistakes when calculating kPa to Bar
- Using 1 bar = 1 atm: they differ by about 1.3%.
- Dividing when you should multiply: from kPa to bar multiply by 0.01; from bar to kPa divide by 0.01.
kPa to Bar FAQ
How many bar are in 1 kPa?
1 kPa equals 0.01 bar.
How many kPa are in 1 bar?
1 bar equals 100 kPa.
Is 1 kPa = 0.01 bar an exact conversion?
Yes. The kilopascal and the bar are both defined exactly in SI terms, so the ratio has no measurement uncertainty; 0.01 is just that ratio shown to 7 significant figures.
What is a kilopascal (kPa)?
1,000 pascals.
How can I estimate kPa to bar in my head?
One bar is 100 times as large as one kPa, so your number gets smaller when you convert kPa to bar and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
What is 30 kPa in bar?
30 kPa = 0.3 bar (since 30 × 0.01).
What is 150 kPa in bar?
150 kPa = 1.5 bar (since 150 × 0.01).
What is 0.5 kPa in bar?
0.5 kPa = 0.005 bar (since 0.5 × 0.01).
How many decimals should I keep when converting kPa to bar?
Match the precision of your original measurement. For example, 0.1 bar rounds to 0.1 bar at 3 significant figures; keep more digits only for engineering or scientific work.
More in Pressure converters
- kPa to PSI Converter
- Bar to Pascals Converter
- mmHg to Atmospheres Converter
- Bar to mmHg Converter
- mmHg to Bar Converter
- mmHg to kPa Converter
See all pressure converters tools · All Conversion calculators · Site map
Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the SI derived units