1 Pascal to Bar – Answer with Formula

1 pascal is equal to 0.00001 bar.

The pascal (Pa) is a unit of pressure in the International System of Units, representing one newton per square meter. The bar is a unit of pressure commonly used in meteorology and engineering, where 1 bar equals 100,000 pascals. Therefore, converting pascals to bars involves dividing the pascal value by 100,000.

Conversion Tool


Result in bar:

Conversion Formula

The formula to convert a value from pascals (Pa) to bars (bar) is:

bar = pascal ÷ 100,000

This works since 1 bar equals exactly 100,000 pascals. Dividing the pressure in pascals by 100,000 converts the value into bars.

For example, to convert 500,000 Pa to bar:

  • Start with the value in pascals: 500,000 Pa
  • Divide by 100,000: 500,000 ÷ 100,000 = 5
  • The result is 5 bar.

Conversion Example

  • Convert 250,000 Pa to bar:
    • Take 250,000 pascals as input.
    • Divide by 100,000 (since 1 bar = 100,000 Pa).
    • 250,000 ÷ 100,000 = 2.5 bar.
  • Convert 75,000 Pa to bar:
    • Start with 75,000 Pa.
    • 75,000 ÷ 100,000 = 0.75 bar.
    • This is less than one bar, representing a lower pressure.
  • Convert 1,200,000 Pa to bar:
    • Input value is 1,200,000 Pa.
    • Divide: 1,200,000 ÷ 100,000 = 12 bar.
    • Shows a high pressure of 12 bars.

Conversion Chart

Pascal (Pa) Bar (bar)
-24.0 -0.00024
-20.0 -0.00020
-15.0 -0.00015
-10.0 -0.00010
-5.0 -0.00005
0.0 0.00000
5.0 0.00005
10.0 0.00010
15.0 0.00015
20.0 0.00020
25.0 0.00025
26.0 0.00026

This chart shows how pascal values from -24.0 to 26.0 convert to bar by dividing each pascal value by 100,000. Users can find the bar equivalent by locating the pascal value in left column and reading its converted bar value on the right.

Related Conversion Questions

  • How many bars equal 1 pascal in pressure measurement?
  • What is the pascal to bar conversion factor for 1 Pa?
  • How do I convert 1 Pa to bar using a formula?
  • Is 1 pascal a large or small pressure compared to 1 bar?
  • What is the bar value when pressure equals 1 pascal?
  • How do I calculate bar from pascal if pressure is 1 Pa?
  • What unit conversion steps to change 1 pascal into bars?

Conversion Definitions

Pascal (Pa): The pascal is the SI unit of pressure, defined as one newton per square meter. It measures force applied over an area and used in physics, engineering, and meteorology to quantify pressure exerted by gases, liquids, or solids.

Bar (bar): The bar is a metric pressure unit equal to 100,000 pascals. It’s used in weather reports, scuba diving, and industry. Although not an SI unit, bar conveniently expresses pressures near atmospheric levels and higher with simpler numbers.

Conversion FAQs

Why is the bar unit used if pascal is the SI unit?

Bar provides a larger, more manageable scale for practical pressure measurements, especially near atmospheric pressures. Since 1 bar equals 100,000 pascals, it avoids dealing with large numbers in applications like weather forecasting or tire pressures.

Can pressure values in pascal be negative when converted to bar?

Yes, pressure can be negative relative to a reference pressure (like atmospheric pressure), indicating suction or vacuum. The conversion formula still applies, so negative pascal values convert directly to negative bars.

Is the conversion from pascal to bar always exact?

The conversion is exact mathematically because 1 bar is defined as exactly 100,000 pascals. The only variation arises from rounding when representing decimal values in practice.

Does temperature affect pascal to bar conversions?

Temperature itself does not affect the numeric conversion between pascal and bar. However, pressure readings can change with temperature due to gas laws, but the conversion ratio remains constant.

What instruments measure pressure in pascals and bars?

Pressure sensors and gauges often provide readings in both units. Devices like manometers, barometers, and digital pressure transducers might display values in Pa or bar depending on calibration or user settings.