🔧
Pressure Converter
Convert between Pa, kPa, bar, atm, psi, mmHg, and mbar in real-time
Conversion Results
SI/Metric Units
Pascal
101,325
Pa
Kilopascal
101.325
kPa
Bar
1.0133
bar
Millibar
1,013.25
mbar
Other Units
Atmosphere
1
atm
PSI
14.6959
psi
mmHg
759.9999
mmHg
Quick Reference
1 atm = 101,325 Pa
1 atm = 101.325 kPa
1 atm = 1.01325 bar
1 atm = 14.696 psi
1 atm = 760 mmHg
1 bar = 1,000 mbar
📖 How to Use
- Enter the pressure value to convert
- Select the unit of your input value
- View real-time conversion results in all units
✨ Features
- ✓7 pressure units supported
- ✓SI units (Pa, kPa, bar) and other units side by side
- ✓Real-time automatic calculation
- ✓Precise decimal handling
- ✓Quick reference table included
📐 Formula
1 atm = 101,325 Pa = 101.325 kPa = 1.01325 bar = 14.696 psi = 760 mmHg💡 How It Works
- •Pascal (Pa) is the SI unit of pressure. 1 Pa = 1 N/m².
- •Kilopascal (kPa) is 1,000 Pa, commonly used for tire pressure.
- •Bar is 100,000 Pa, widely used in meteorology and industry.
- •Atmosphere (atm) is the standard atmospheric pressure at sea level. 1 atm = 101,325 Pa.
- •PSI (pounds per square inch) is used in the US for tire and gas pressure.
- •mmHg (millimeters of mercury) is primarily used for blood pressure measurement. 760 mmHg = 1 atm.
- •Millibar (mbar) is frequently used in meteorology. 1 bar = 1,000 mbar.
❓ FAQ
Q. What is 1 atmosphere?
A. 1 atmosphere (atm) is the average atmospheric pressure at sea level: 101,325 Pa = 101.325 kPa = 1.01325 bar = 14.696 psi = 760 mmHg.
Q. What units are used for tire pressure?
A. The US uses psi, while most other countries use kPa or bar. Normal car tire pressure is about 30-35 psi (200-240 kPa).
Q. What is mmHg used for in blood pressure?
A. mmHg (millimeters of mercury) measures the pressure of a mercury column. Normal blood pressure is 120 mmHg systolic and 80 mmHg diastolic.
Q. What units are used in weather forecasts?
A. Meteorology typically uses hectopascals (hPa) or millibars (mbar). 1 hPa = 1 mbar. Standard atmospheric pressure is 1013.25 hPa.
Q. How do I convert psi to bar?
A. 1 psi ≈ 0.0689 bar. A quick estimate: psi × 0.07 ≈ bar.
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