Bar to Megapascal Converter
Enter the value that you want to convert bar to megapascal (MPa) or megapascal to bar.
1 bar = 0.1000000 megapascal
Formula: megapascal = bar value × 0.1000000
bar to megapascal
10 bar = 1.00000 megapascal
Popular Pressure Converters:
Bar vs Megapascal
The Bar in Engineering
Bar (bar) is a unit of pressure measurement. 1 bar is equal to 0.1000000 megapascal.
What is Megapascal?
Megapascal (MPa) is a unit of pressure measurement. 1 megapascal is equal to 10.0000000 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 megapascal metric conversion table
| 0.01 bar | = | 0.00100 MPa |
| 0.1 bar | = | 0.01000 MPa |
| 1 bar | = | 0.10000 MPa |
| 2 bar | = | 0.20000 MPa |
| 3 bar | = | 0.30000 MPa |
| 4 bar | = | 0.40000 MPa |
| 5 bar | = | 0.50000 MPa |
| 6 bar | = | 0.60000 MPa |
| 7 bar | = | 0.70000 MPa |
| 8 bar | = | 0.80000 MPa |
| 9 bar | = | 0.90000 MPa |
| 10 bar | = | 1.00000 MPa |
| 11 bar | = | 1.10000 MPa |
| 12 bar | = | 1.20000 MPa |
| 13 bar | = | 1.30000 MPa |
| 14 bar | = | 1.40000 MPa |
| 15 bar | = | 1.50000 MPa |
| 16 bar | = | 1.60000 MPa |
| 17 bar | = | 1.70000 MPa |
| 18 bar | = | 1.80000 MPa |
| 19 bar | = | 1.90000 MPa |
| 20 bar | = | 2.00000 MPa |
| 30 bar | = | 3.00000 MPa |
| 40 bar | = | 4.00000 MPa |
| 50 bar | = | 5.00000 MPa |
| 60 bar | = | 6.00000 MPa |
| 70 bar | = | 7.00000 MPa |
| 80 bar | = | 8.00000 MPa |
| 90 bar | = | 9.00000 MPa |
| 100 bar | = | 10.00000 MPa |
| 200 bar | = | 20.00000 MPa |
| 300 bar | = | 30.00000 MPa |
| 400 bar | = | 40.00000 MPa |
| 500 bar | = | 50.00000 MPa |
| 600 bar | = | 60.00000 MPa |
| 700 bar | = | 70.00000 MPa |
| 800 bar | = | 80.00000 MPa |
| 900 bar | = | 90.00000 MPa |
| 1000 bar | = | 100.00000 MPa |
How to Convert Bar to Megapascal?
We can convert bar to megapascal by using an example.
Example:
Convert 20 Bar to Megapascal?
We know 1 Bar = 0.1000000 megapascal; 1 Megapascal = 10.0000000 bar.
20 bar = ___MPa
20 × 0.1000000 = 2.00000 MPa (we know 1 bar = 0.1000000 megapascal)
Answer:
20 bar = 2.00000 megapascal
How to Convert Bar to MPa (Step-by-Step)
Converting bar to megapascals (MPa) is standard in structural engineering, materials science, and hydraulic system design. The conversion is 1 bar = 0.1 MPa (or equivalently, 10 bar = 1 MPa).
- Write down the pressure value in bar.
- Divide the bar value by 10 (or multiply by 0.1).
- The result is the pressure in megapascals (MPa).
Common Bar to MPa Conversions
Engineering pressures and material strengths in both bar and MPa, used in construction, hydraulics, and materials testing.
| Bar | Megapascal |
|---|---|
| 10 bar | 1 MPa |
| 100 bar | 10 MPa |
| 200 bar | 20 MPa |
| 250 bar | 25 MPa |
| 350 bar | 35 MPa |
| 400 bar | 40 MPa |
| 500 bar | 50 MPa |
| 2500 bar | 250 MPa |
| 4000 bar | 400 MPa |
Solved Examples: Bar to MPa
Question 1: A hydraulic press operates at 280 bar. Express the operating pressure in MPa for the engineering report.
Solution:
Pressure in MPa = 280 ÷ 10
= 28 MPa
Answer: 280 bar = 28 MPa — well within the working range of standard hydraulic components.
Question 2: A concrete cylinder test shows failure at 350 bar compressive stress. What is the concrete grade in MPa?
Solution:
Compressive strength in MPa = 350 ÷ 10
= 35 MPa
Answer: 350 bar = 35 MPa — this is C35 grade concrete, suitable for structural beams.
Question 3: A diesel common-rail fuel injector operates at 2000 bar. Express in MPa.
Solution:
Pressure in MPa = 2000 ÷ 10
= 200 MPa
Answer: 2000 bar = 200 MPa — modern diesel injection pressure for fine atomization.
Question 4: A waterjet cutting machine operates at 4000 bar. What is this in MPa?
Solution:
Pressure in MPa = 4000 ÷ 10
= 400 MPa
Answer: 4000 bar = 400 MPa — capable of cutting steel plate up to 200 mm thick.
Practice Questions: Bar to MPa
Try solving these on your own to test your understanding:
- Convert 150 bar to MPa. (Answer: 15 MPa)
- A pressure vessel is rated at 50 bar. Express in MPa. (Answer: 5 MPa)
- Convert 3000 bar (waterjet) to MPa. (Answer: 300 MPa)
- A soil bearing capacity is 5 bar. What is this in MPa? (Answer: 0.5 MPa)
- Convert 700 bar (hydrogen storage) to MPa. (Answer: 70 MPa)
Concrete Strength Specifications: Bar to MPa
Structural engineers specify concrete compressive strength in MPa worldwide (Eurocode, ACI, AS). Common grades: C20 (20 MPa = 200 bar) for foundations, C30 (30 MPa = 300 bar) for slabs, C40 (40 MPa = 400 bar) for columns, C60+ (60+ MPa = 600+ bar) for high-rise cores. During testing, hydraulic presses apply load in bar or kN — converting to MPa (stress = force/area) determines the concrete grade.
Hydraulic System Design: Choosing Between Bar and MPa
Hydraulic component catalogs from European manufacturers (Bosch Rexroth, Parker Hannifin) typically rate pressure in bar: a standard gear pump delivers 200-250 bar, piston pumps reach 350-450 bar. However, engineering calculations for cylinder force (F = P × A) work more cleanly in MPa when area is in mm². A 350 bar (35 MPa) system with a 100 mm² bore produces 3500 N = 3.5 kN of force directly.
Ultra-High Pressure Applications
Beyond standard hydraulics, extreme pressures arise in: diesel common-rail injection (2000-2500 bar = 200-250 MPa), waterjet cutting (4000-6000 bar = 400-600 MPa), and isostatic pressing of ceramics (1000-4000 bar = 100-400 MPa). Hydrogen vehicle storage tanks operate at 700 bar (70 MPa). At these pressures, specialized alloys and safety protocols are essential — a pinhole leak at 4000 bar cuts through flesh like a blade.
Key Takeaways
- 1 bar = 0.1 MPa, so dividing bar by 10 gives MPa.
- 10 bar = 1 MPa — move the decimal one place left.
- Concrete strength grades are in MPa: C25 = 25 MPa = 250 bar.
- Standard hydraulics: 200-350 bar = 20-35 MPa.
- Waterjet cutting: 4000-6000 bar = 400-600 MPa.
- MPa is preferred in engineering reports; bar is common on gauges and catalogs.
Bar to Megapascal Conversion Formula
megapascal = bar × 0.1000000
1 bar = 0.1000000 megapascal
1 megapascal = 10.0000000 bar
Reverse: bar = megapascal × 10.0000000
Frequently Asked Questions
How many megapascal are in 1 bar?
There are 0.1000000 megapascal in 1 bar. To convert bar to megapascal, multiply the value by 0.1000000.
How do I convert bar to megapascal?
Multiply your bar value by 0.1000000 to get the equivalent in megapascal. For example, 5 bar = 5 × 0.1000000 = 0.50000 megapascal.
How do I convert megapascal to bar?
Multiply your megapascal value by 10.0000000 to get the equivalent in bar. Alternatively, divide by 0.1000000.
What is 10 bar in megapascal?
10 bar is equal to 1.00000 megapascal.
What is 100 bar in megapascal?
100 bar is equal to 10.00000 megapascal.