FORMULA
How to convert
psi = bar × 14.503773773022Example: 10 bar = 145.03773773 psi.
BAR → PSI
Convert bars to pounds per square inch with an exact, deterministic calculation.
1 bar = 14.503773773022 psi
FORMULA
psi = bar × 14.503773773022Example: 10 bar = 145.03773773 psi.
QUICK ANSWER
14.503773773022 psi
REFERENCE TABLE
| bars | pounds per square inch |
|---|---|
| 1 bar | 14.50377377 psi |
| 5 bar | 72.51886887 psi |
| 10 bar | 145.03773773 psi |
| 25 bar | 362.59434433 psi |
| 50 bar | 725.18868865 psi |
| 100 bar | 1450.3773773 psi |
ABOUT THIS CONVERSION
This page converts bars (bar) to pounds per square inch (psi). Convertor4U first interprets the input using Bar's definition, then expresses the same quantity in Pound per square inch. The result is calculated from the stored factor and offset definitions, not from a rounded lookup table.
For checking a tire, weather report, process gauge, or engineering specification, an input of 32 bar converts to 464.12076074 psi. Keep extra digits while calculating, then round only the final value to the precision the task actually needs.
Round to the gauge or specification resolution, not the calculator's maximum display. Safety limits require the tolerance and calibration stated by the manufacturer. Retain guard digits in engineering calculations.
Tire labels may show several equivalent units. Psi is common in the United States and United Kingdom, while bar and kPa are widespread elsewhere. Medical conventions often retain mmHg.
Do not mix gauge pressure with absolute pressure; the unit conversion alone does not add atmospheric pressure.
Definitions and sources are listed below. Calculations retain more precision than the default display and round only for presentation.
USEFUL ANSWERS
Enter the bar value in the calculator. It applies the stored factor and offset definitions and returns the equivalent in psi; the formula and common-value table are shown on this page.
Defined measurement relationships are calculated with decimal arithmetic from stored standards. The displayed answer may be rounded for readability. Currency results instead depend on the dated reference rate shown.
Round to the gauge or specification resolution, not the calculator's maximum display. Safety limits require the tolerance and calibration stated by the manufacturer. Retain guard digits in engineering calculations.
Do not mix gauge pressure with absolute pressure; the unit conversion alone does not add atmospheric pressure.
FROM UNIT
One bar (bar) equals 100000 pascal units (Pa) in the converter's reference scale. It measures force distributed over area and does not specify gauge versus absolute reference.
NIST Guide to the SI, SP 811 ↗Definition verified 14 August 2026TO UNIT
Pounds per square inch (psi) expresses pressure as pound-force applied over one square inch. It measures force distributed over area and does not specify gauge versus absolute reference.
NIST Guide to the SI, SP 811 ↗Definition verified 14 August 2026Content reviewed by Convertor4U Editorial Team · 16 August 2026 · Report an error on this page