80 Pounds per square inch to Bar (80 psi to bar)
80 Pounds per square inch equals 5.5158 Bar. Below is the formula, the worked arithmetic, and what 80 psi typically represents in everyday use.
Formula and worked answer
Formula
bar = psi × 0.0689476
Substituting 80 for psi: 80 × 0.0689476 = 5.5158 bar. The factor 0.0689476 comes from the exact international definition of the Pound per square inch relative to the Bar, so this answer is precise rather than rounded.
What does 80 Pounds per square inch represent?
80 psi (5.52 bar) is a common pressure on US-market heavy-duty light-truck tyres and a typical reference on the door-jamb sticker for fully loaded American three-quarter-ton pickups like the Ford F-250 and RAM 2500. Converted to metric the figure is 5.52 bar, which European HGV-light tyre-pressure recommendations instead post as 5.5 bar on equivalent metric-spec vehicles. The 0.02 bar gap is small enough to ignore in field maintenance but matters in OEM specification: a US 80-psi recommendation translated to a metric work order needs the precise 0.06895 bar-per-psi factor to land inside the manufacturer's ±0.05 bar tolerance for dealer pre-delivery inspection sign-off on commercial fleet orders.
Values near 80 psi
- 75 psi=5.1711 bar
- 76 psi=5.24 bar
- 77 psi=5.309 bar
- 78 psi=5.3779 bar
- 79 psi=5.4469 bar
- 81 psi=5.5848 bar
- 82 psi=5.6537 bar
- 83 psi=5.7227 bar
- 84 psi=5.7916 bar
- 85 psi=5.8605 bar
psi to bar reference table around 80
| psi | bar |
|---|---|
| 40 psi | 2.7579 bar |
| 60 psi | 4.1369 bar |
| 75 psi | 5.1711 bar |
| 79 psi | 5.4469 bar |
| 80 psi | 5.5158 bar |
| 81 psi | 5.5848 bar |
| 85 psi | 5.8605 bar |
| 100 psi | 6.8948 bar |
| 120 psi | 8.2737 bar |
| 160 psi | 11.0316 bar |
Convert a different value
Looking for a different number of Pounds per square inch? Use the full psi to bar converter to enter any value, see the worked formula, and read the full background on the Pound per square inch and the Bar. To go the other direction, the bar to psi converter applies the inverse factor and is the page to bookmark if you usually start in Bar.