80 pounds per square inch to bar
5.516 bar
80 psi = 5.516 bar.
bar
5.516bar
80 psi = 5.516 bar
In short
How many bar is 80 pounds per square inch?
80 psi = 5.516 bar. 1 pounds per square inch = 0.068948 bar, so the working is 80 × 0.068948 = 5.516.
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 pounds per square inch = 0.068948 bar 80 × 0.068948 = 5.516
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 (bar) | Off by |
|---|---|---|
| Whole number | 6 | +0.48419 |
| 1 decimal | 5.5 | −0.01581 |
| 2 decimals | 5.52 | +0.00419 |
Round trip: take 5.516 bar back the other way and you land on 80.0028 psi — a drift of 0.0028 psi. That gap is the rounding, not the conversion.
Frequently asked questions
What is 80 pounds per square inch in bar?
80 pounds per square inch is 5.516 bar. 1 pounds per square inch = 0.068948 bar, so the working is 80 × 0.068948 = 5.516.
How accurate is 5.516 bar?
Rounding to 5.516 bar and converting straight back gives 80.0028 psi, a drift of 0.0028 psi from the 80 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
PSI to Bar Converter
Convert psi to bar — US tyre placards read against a European gauge.
Open the PSI to bar converter →