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Bar to Pascal Converter

Enter the value that you want to convert bar to pascal (Pa) or pascal to bar.

1 bar = 100000.0000000 pascal

Formula: pascal = bar value Ɨ 100000.0000000

bar to pascal

bar
1000000.00000Pa

10 bar = 1000000.00000 pascal

Popular Pressure Converters:

How Bar Relates to Pascal

The Bar in Engineering

Bar (bar) is a unit of pressure measurement. 1 bar is equal to 100000.0000000 pascal.

About the Pascal

Pascal (Pa) is a unit of pressure measurement. 1 pascal is equal to 0.0000100 bar.

Pressure Units Across Industries

Pressure measurements vary dramatically by industry. Meteorologists report in millibars or hectopascals, tire shops use PSI, scuba divers think in atmospheres or bar, vacuum engineers work in torr, and hydraulic systems specify in megapascals. A single industrial plant might encounter all these units across different equipment manuals, safety datasheets, and regulatory standards from different countries.

bar to pascal metric conversion table

0.01 bar=1000.00000 Pa
0.1 bar=10000.00000 Pa
1 bar=100000.00000 Pa
2 bar=200000.00000 Pa
3 bar=300000.00000 Pa
4 bar=400000.00000 Pa
5 bar=500000.00000 Pa
6 bar=600000.00000 Pa
7 bar=700000.00000 Pa
8 bar=800000.00000 Pa
9 bar=900000.00000 Pa
10 bar=1000000.00000 Pa
11 bar=1100000.00000 Pa
12 bar=1200000.00000 Pa
13 bar=1300000.00000 Pa
14 bar=1400000.00000 Pa
15 bar=1500000.00000 Pa
16 bar=1600000.00000 Pa
17 bar=1700000.00000 Pa
18 bar=1800000.00000 Pa
19 bar=1900000.00000 Pa
20 bar=2000000.00000 Pa
30 bar=3000000.00000 Pa
40 bar=4000000.00000 Pa
50 bar=5000000.00000 Pa
60 bar=6000000.00000 Pa
70 bar=7000000.00000 Pa
80 bar=8000000.00000 Pa
90 bar=9000000.00000 Pa
100 bar=10000000.00000 Pa
200 bar=20000000.00000 Pa
300 bar=30000000.00000 Pa
400 bar=40000000.00000 Pa
500 bar=50000000.00000 Pa
600 bar=60000000.00000 Pa
700 bar=70000000.00000 Pa
800 bar=80000000.00000 Pa
900 bar=90000000.00000 Pa
1000 bar=100000000.00000 Pa

How to Convert Bar to Pascal?

We can convert bar to pascal by using an example.

Example:

Convert 20 Bar to Pascal?

We know 1 Bar = 100000.0000000 pascal; 1 Pascal = 0.0000100 bar.

20 bar = ___Pa

20 Ɨ 100000.0000000 = 2000000.00000 Pa (we know 1 bar = 100000.0000000 pascal)

Answer:

20 bar = 2000000.00000 pascal

How to Convert Bar to Pascal (Step-by-Step)

The pascal (Pa) is the SI fundamental unit of pressure, and bar is a convenient metric unit equal to exactly 100,000 pascals. This clean relationship makes conversion straightforward — no messy decimals required.

  1. Write down the pressure value in bar.
  2. Multiply the bar value by 100,000 (or equivalently, move the decimal point 5 places to the right).
  3. The result is the pressure in pascals (Pa).
šŸ’” Tip: Since 1 bar = 10⁵ Pa exactly, this conversion is just a matter of moving the decimal point. No rounding errors occur — it is an exact defined relationship.

Common Bar to Pascal Conversions

Reference table showing the bar-to-pascal relationship across scales encountered in weather science, acoustics, and engineering.

BarPascal
0.00002 bar2 Pa
0.001 bar100 Pa
0.01 bar1,000 Pa
0.1 bar10,000 Pa
1 bar100,000 Pa
1.01325 bar101,325 Pa
2 bar200,000 Pa
10 bar1,000,000 Pa
100 bar10,000,000 Pa

Solved Examples: Bar to Pascal

Question 1: Standard atmospheric pressure is 1.01325 bar. Express this in pascals.

Solution:

Pressure in Pa = 1.01325 Ɨ 100,000

= 101,325 Pa

Answer: 1.01325 bar = 101,325 Pa — the defined standard atmosphere.

Question 2: A weather station reports barometric pressure dropping to 0.995 bar. What is this in pascals?

Solution:

Pressure in Pa = 0.995 Ɨ 100,000

= 99,500 Pa

Answer: 0.995 bar = 99,500 Pa (a low-pressure system approaching).

Question 3: A cleanroom maintains a slight positive pressure of 0.0005 bar above ambient. Express in pascals.

Solution:

Gauge pressure in Pa = 0.0005 Ɨ 100,000

= 50 Pa

Answer: 0.0005 bar = 50 Pa overpressure — typical for ISO Class 5 cleanrooms.

Question 4: An underwater sensor is rated to 50 bar. What is the maximum depth in pascals?

Solution:

Pressure in Pa = 50 Ɨ 100,000

= 5,000,000 Pa (5 MPa)

Answer: 50 bar = 5,000,000 Pa = 5 MPa — equivalent to ~500 meters water depth.

Practice Questions: Bar to Pascal

Try solving these on your own to test your understanding:

  1. Convert 0.5 bar to pascal. (Answer: 50,000 Pa)
  2. Express 3 bar in pascals. (Answer: 300,000 Pa)
  3. A blood pressure cuff inflates to 0.027 bar. What is this in Pa? (Answer: 2,700 Pa)
  4. Convert 0.001 bar to pascal. (Answer: 100 Pa)
  5. Express 25 bar in pascal. (Answer: 2,500,000 Pa)

The Pascal: SI Fundamental Pressure Unit

Named after French mathematician Blaise Pascal, the pascal is defined as one newton per square meter (1 Pa = 1 N/m²). It is intentionally small — atmospheric pressure is ~101,325 Pa — which is why practical applications use kPa, MPa, or bar instead. The pascal connects directly to force and area, making it essential for engineering calculations involving stress, strain, and fluid mechanics.

Why Bar Exists Despite the Pascal

The bar was introduced because the pascal is impractically small for everyday pressures. Writing "2.5 bar" is far more convenient than "250,000 Pa" on a tire gauge. The bar maps nicely to atmospheric pressure (1 atm ā‰ˆ 1.013 bar), making intuitive sense: 2 bar ā‰ˆ 2 atmospheres of absolute pressure. While not an SI unit, bar is accepted for use with SI and remains dominant in European industry.

Pascals in Acoustics and Sound Pressure

Sound pressure levels are measured in pascals. The threshold of human hearing is 20 µPa (0.00000002 bar), and the pain threshold is about 20 Pa (0.0002 bar). A jet engine at 30 meters produces ~200 Pa sound pressure. The decibel scale (dB SPL) uses 20 µPa as the 0 dB reference precisely because it is the quietest sound a healthy human ear can detect.

Key Takeaways

  • 1 bar = 100,000 Pa exactly — just move the decimal 5 places right.
  • This is an exact defined relationship with no rounding error.
  • Standard atmosphere = 101,325 Pa = 1.01325 bar.
  • The pascal is small: atmospheric pressure alone is ~101 kPa.
  • Bar exists as a practical alternative to writing large pascal values.
  • Sound pressure, HVAC, and cleanroom pressures use raw pascals due to their small magnitudes.

Bar to Pascal Conversion Formula

pascal = bar Ɨ 100000.0000000

1 bar = 100000.0000000 pascal

1 pascal = 0.0000100 bar

Reverse: bar = pascal Ɨ 0.0000100

Frequently Asked Questions

How many pascal are in 1 bar?

There are 100000.0000000 pascal in 1 bar. To convert bar to pascal, multiply the value by 100000.0000000.

How do I convert bar to pascal?

Multiply your bar value by 100000.0000000 to get the equivalent in pascal. For example, 5 bar = 5 Ɨ 100000.0000000 = 500000.00000 pascal.

How do I convert pascal to bar?

Multiply your pascal value by 0.0000100 to get the equivalent in bar. Alternatively, divide by 100000.0000000.

What is 10 bar in pascal?

10 bar is equal to 1000000.00000 pascal.

What is 100 bar in pascal?

100 bar is equal to 10000000.00000 pascal.