Bar to kPa Converter
Quick answer: To convert bar to kPa, multiply by 100. For example, 10 bar is 1,000 kPa. One bar equals 100 kPa.
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Use the Bar to kPa Converter
Bar to kPa formula and what each symbol means
kPa = bar × 100
| Symbol | Meaning |
|---|---|
| bar | Bar |
| kPa | Kilopascal |
Bar to kPa examples
1 bar
1 bar × 100 = 100 kPa.
10 bar
10 bar × 100 = 1,000 kPa.
100 bar
100 bar × 100 = 10,000 kPa.
Bar compared with kPa
One bar is 100 times as large as one kPa, so your number gets bigger when you convert bar to kPa and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About bar and kPa
Bar (bar): Exactly 100,000 pascals. Kilopascal (kPa): 1,000 pascals.
Where bar to kPa 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 Bar to kPa step by step
- Enter the value in bar (the starting unit).
- Multiply by 100, because 1 bar = 100 kPa.
- The product is the value in kPa. To go back, divide by 100 or multiply by 0.01.
Popular pressure conversions
How to read your Bar to kPa result
The pascal is the SI unit, but gauges use bar, psi, atmospheres or mmHg depending on the field.
| BAR | KPA |
|---|---|
| 1 | 100 |
| 2 | 200 |
| 5 | 500 |
| 10 | 1,000 |
| 20 | 2,000 |
| 50 | 5,000 |
| 100 | 10,000 |
| 1,000 | 100,000 |
kPa to Bar: quick table
| KPA | BAR |
|---|---|
| 1 | 0.01 |
| 5 | 0.05 |
| 10 | 0.1 |
| 25 | 0.25 |
| 50 | 0.5 |
| 100 | 1 |
| 250 | 2.5 |
| 500 | 5 |
Common mistakes when calculating Bar to kPa
- Using 1 bar = 1 atm: they differ by about 1.3%.
- Dividing when you should multiply: from bar to kPa multiply by 100; from kPa to bar divide by 100.
Bar to kPa FAQ
How many kPa are in 1 bar?
1 bar equals 100 kPa.
How many bar are in 1 kPa?
1 kPa equals 0.01 bar.
Is 1 bar = 100 kPa an exact conversion?
Yes. The bar and the kilopascal are both defined exactly in SI terms, so the ratio has no measurement uncertainty; 100 is just that ratio shown to 7 significant figures.
What is a bar (bar)?
Exactly 100,000 pascals.
How can I estimate bar to kPa in my head?
One bar is 100 times as large as one kPa, so your number gets bigger when you convert bar to kPa and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
What is 80 bar in kPa?
80 bar = 8,000 kPa (since 80 × 100).
What is 500 bar in kPa?
500 bar = 50,000 kPa (since 500 × 100).
What is 15 bar in kPa?
15 bar = 1,500 kPa (since 15 × 100).
How many decimals should I keep when converting bar to kPa?
Match the precision of your original measurement. For example, 1,000 kPa rounds to 1,000 kPa at 3 significant figures; keep more digits only for engineering or scientific work.
More in Pressure converters
- Bar to PSI Converter
- Atmospheres to Pascals Converter
- kPa to Atmospheres Converter
- Atmospheres to mmHg Converter
- Atmospheres to kPa Converter
- kPa to mmHg Converter
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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