Pascals to Bar Converter
Convert pressure between pascals (Pa) and bar with precision
Pressure Conversion
SI unit of pressure
Metric pressure unit
Conversion Results
Conversion formula: 1 bar = 100,000 pascals
Quick calculation: Bar = Pascals ÷ 100,000
Standard atmosphere: 1 atm = 101,325 Pa = 1.01325 bar
Common Pressure Conversions
| Pascals | Bar | Common Use |
|---|---|---|
| 1,000 Pa | 0.01 bar | 1 kPa / Low pressure |
| 10,000 Pa | 0.10 bar | 10 kPa / 0.1 bar |
| 50,000 Pa | 0.50 bar | 50 kPa / Half bar |
| 1,00,000 Pa | 1.00 bar | 1 bar / Standard |
| 1,01,325 Pa | 1.01 bar | 1 atm / Sea level |
| 2,00,000 Pa | 2.00 bar | 2 bar / Tire pressure |
| 5,00,000 Pa | 5.00 bar | 5 bar / High pressure |
| 10,00,000 Pa | 10.00 bar | 10 bar / Industrial |
| 50,00,000 Pa | 50.00 bar | 50 bar / Hydraulics |
| 1,00,00,000 Pa | 100.00 bar | 100 bar / Very high |
Quick Reference
Pressure Unit Hierarchy
Conversion Tips
Pascal is the SI unit of pressure (N/m²)
Bar is commonly used in meteorology and engineering
1 bar ≈ atmospheric pressure at sea level
Use kPa for moderate pressures, MPa for high pressures
Understanding Pascals to Bar Conversion
What is a Pascal?
The pascal (Pa) is the SI unit of pressure, defined as one newton per square meter (N/m²). Named after French mathematician Blaise Pascal, it is the standard unit for measuring pressure in scientific and engineering applications. One pascal represents a small amount of pressure, approximately equivalent to the pressure exerted by a 10-gram mass on a 1 cm² area.
What is a Bar?
The bar is a metric unit of pressure, though not part of the SI system. It is commonly used in meteorology, oceanography, and engineering. One bar is defined as exactly 100,000 pascals (100 kPa). The bar is convenient because it is approximately equal to atmospheric pressure at sea level (1 atm = 1.01325 bar), making it practical for many real-world applications.
Conversion Formulas
Pascals to Bar
Bar = Pascals ÷ 100,000
Bar = Pascals × 0.00001
Example: 250,000 Pa ÷ 100,000 = 2.5 bar
Bar to Pascals
Pascals = Bar × 100,000
Example: 3.5 bar × 100,000 = 350,000 Pa
💡 Remember: To convert Pa to bar, move the decimal point 5 places to the left. For bar to Pa, move it 5 places to the right.
Common Applications
🌡️ Meteorology
Atmospheric pressure is commonly expressed in millibars (mbar) or hectopascals (hPa), which are equivalent. Standard sea-level pressure is 1013.25 mbar or 101,325 Pa.
⚙️ Engineering
Industrial systems often use bar for pressure measurements in hydraulics, pneumatics, and process control. Tire pressure, for example, is typically 2-3 bar.
🔬 Scientific Research
Scientific calculations use pascals as the SI standard unit. High-pressure research may use megapascals (MPa) or gigapascals (GPa) for very large pressures.
⚠️ Important Notes
SI Standard: While bar is widely used, pascal is the official SI unit. Always use pascals in scientific publications and SI-compliant documentation.
Gauge vs. Absolute: Distinguish between absolute pressure and gauge pressure. Gauge pressure (psig, barg) measures pressure relative to atmospheric pressure, while absolute pressure includes atmospheric pressure.
Prefixes: Use appropriate prefixes: kPa (kilopascal) for moderate pressures, MPa (megapascal) for high pressures, and mbar (millibar) for low pressures. Learn more with ourbar to PSI converter.