1 bar to pounds per square inch
14.50 psi
1 bar = 14.50 psi.
pounds per square inch
14.50psi
1 bar = 14.50 psi
In short
How many pounds per square inch is 1 bar?
1 bar = 14.50 psi. 1 bar = 14.503774 pounds per square inch, so the working is 1 × 14.503774 = 14.50.
The working
The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.
1 bar = 14.503774 pounds per square inch 1 × 14.503774 = 14.50
How much precision do you need?
Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.
| Rounded to | Answer (psi) | Off by |
|---|---|---|
| Whole number | 15 | +0.49623 |
| 1 decimal | 14.5 | −0.00377 |
| 2 decimals | 14.50 | −0.00377 |
Round trip: take 14.50 psi back the other way and you land on 0.9997 bar — a drift of 0.0003 bar. That gap is the rounding, not the conversion.
What 1 bar looks like
1 bar
Close to the pressure of the atmosphere at sea level, which is defined as 1.01325 bar exactly and is where a tyre gauge reads zero.
Frequently asked questions
What is 1 bar in pounds per square inch?
1 bar is 14.50 pounds per square inch. 1 bar = 14.503774 pounds per square inch, so the working is 1 × 14.503774 = 14.50.
How accurate is 14.50 psi?
Rounding to 14.50 psi and converting straight back gives 0.9997 bar, a drift of 0.0003 bar from the 1 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
Any value at all
Bar to PSI Converter
Convert bar to psi — tyre pressure, boost gauges, and dive computers.
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