Pressure Converter
Convert between PSI, bar, atm, Pa, kPa and mmHg with common references for tyre pressure, atmospheric and blood pressure
All Conversions
PSI
14.70
bar
1.01
atm
1.00
Pa
101353.0
kPa
101.35
mmHg
760.21
Common Pressures
Vacuum
0 PSI
0.00 bar
Atmospheric (sea level)
14.7 PSI
1.01 bar
Tyre pressure (car)
30 PSI
2.07 bar
Tyre pressure (bicycle)
32 PSI
2.21 bar
Compressed air system
50 PSI
3.45 bar
Blood pressure (systolic, high)
120 PSI
8.27 bar
Pressure Gauge
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Pressure Units
- PSI: pounds per square inch (common in US/UK)
- bar: SI unit, used in engineering and automotive
- atm: atmospheric pressure at sea level (reference standard)
- Pa/kPa: pascals, SI scientific unit
- mmHg: millimetres of mercury (medical, barometers)