Convert PSI to Bar (psi to bar)
Instant precision conversion from PSI (psi) to Bar (bar) in Pressure.
⚡ Direct Answer: 1 psi to bar
1 PSI (psi) equals approximately 0.068948 Bar (bar).
To convert from PSI to Bar, multiply the quantity by approximately 0.068948 (or divide by approximately 14.503768).
📐 How PSI (psi) and Bar (bar) Relate
In metrology, pressure quantifies force exerted perpendicularly per unit surface area ($F/A$). Within this domain, PSI (psi) and Bar (bar) originate from SI pascals, metric bar, engineering psi, and standard atmospheres (atm). Standardized under ISO 80000-4 with standard atmospheric pressure defined as exactly 101,325 Pa.
Because both PSI and Bar belong to the linear pressure domain, conversion between them is strictly proportional. The exact conversion factor (0.0689476) guarantees zero precision drift across mathematical calculations.
🎯 Common Practical Applications
Automotive Tire Pressure Maintenance
Converting vehicle tire specifications in US psi to European bar inflation gauges.
Scuba Diving Cylinder Pressure Inspection
Interpreting breathing gas cylinder pressures on international diving trips with bar-calibrated gauges.
Industrial Pneumatics & Hydraulic Machinery
Adjusting system pressure relief valves and compressor regulators on European industrial equipment.
Reverse Conversion Option
Looking to calculate the reverse direction? Switch directly to our dedicated Bar to PSI converter.
PSI to Bar Conversion Table (1 to 1000)
| PSI (psi) | Bar (bar) | Bar (bar) | PSI (psi) |
|---|---|---|---|
| 1 psi | 0.068948 bar | 1 bar | 14.503768 psi |
| 2 psi | 0.137895 bar | 2 bar | 29.007536 psi |
| 3 psi | 0.206843 bar | 3 bar | 43.511304 psi |
| 5 psi | 0.344738 bar | 5 bar | 72.51884 psi |
| 10 psi | 0.689476 bar | 10 bar | 145.037681 psi |
| 15 psi | 1.034214 bar | 15 bar | 217.556521 psi |
| 20 psi | 1.378952 bar | 20 bar | 290.075362 psi |
| 25 psi | 1.72369 bar | 25 bar | 362.594202 psi |
| 50 psi | 3.44738 bar | 50 bar | 725.188404 psi |
| 75 psi | 5.17107 bar | 75 bar | 1087.782606 psi |
| 100 psi | 6.89476 bar | 100 bar | 1450.376808 psi |
| 250 psi | 17.2369 bar | 250 bar | 3625.94202 psi |
| 500 psi | 34.4738 bar | 500 bar | 7251.884039 psi |
| 1000 psi | 68.9476 bar | 1000 bar | 14503.768079 psi |
Related Pressure Conversion Pairs
More converters: Force · Area · Temperature
Frequently Asked Questions
How many Bar in 1 PSI?
1 PSI (psi) equals approximately 0.068948 Bar (bar). 1 Bar (bar) equals approximately 14.503768 PSI (psi). Formula: psi ≈ bar × 14.50376808.
How to convert PSI to Bar?
To convert from PSI to Bar, multiply the quantity by approximately 0.068948 (or divide by approximately 14.503768). Mathematical formula: bar ≈ psi × 0.0689476.
What is an example calculation converting PSI to Bar?
To convert 10 PSI to Bar: multiply 10 by the conversion factor 0.068948 to get approximately 0.6895 Bar (bar).
How to convert back from Bar to PSI?
To convert from Bar to PSI, multiply by the inverse factor 14.503768 (or divide by 0.068948). Formula: psi = bar × 14.50376808.