How Many PSI Is 1 Bar?
Convert pascals, bar, psi, atmospheres, torr, and more with our free pressure converter. Whether you need to check tire pressure, read a weather report, or work with industrial specifications, accurate pressure conversion is instant and easy.
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How it works
Pressure measures force per unit area. 1 bar = 14.5038 psi. The pascal (Pa) is the SI unit: standard atmospheric pressure is 101,325 Pa = 1.01325 bar = 14.696 psi. Bar is common in Europe; psi is standard in the US.
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Frequently Asked Questions
How many psi is 1 bar?
1 bar equals 14.5038 psi (pounds per square inch). Bar is common in European tire pressure ratings, while psi is standard in the US.
What is standard atmospheric pressure?
Standard atmospheric pressure is 1 atm = 101,325 Pa = 1.01325 bar = 14.696 psi. It is the average air pressure at sea level.
What is the difference between bar and psi?
Bar and psi both measure pressure, but use different scales. 1 bar ≈ 14.5 psi. Bar is used in most of the world; psi is common in the US and UK.
What is a pascal?
A pascal (Pa) is the SI unit of pressure, equal to 1 newton per square meter. Atmospheric pressure is about 101,325 Pa or 101.325 kPa.
What tire pressure is recommended in bar vs psi?
Most car tires are inflated to 2.0–2.5 bar (29–36 psi). Always check the sticker inside your car door for the manufacturer's recommended pressure.
What is the correct tire pressure for a car?
Most passenger cars require 2.0–2.5 bar (29–36 psi) for front and rear tires. Always check the sticker on the inside of the driver's door jamb — not the number printed on the tire itself, which is the maximum pressure, not the recommended one. Pressure should be checked when tires are cold.
What pressure should a road bicycle tire have?
Road bike tires (23–28 mm wide) typically run at 6.0–8.0 bar (87–116 psi). Wider tires (32–38 mm) use 4.5–6.0 bar (65–87 psi). Mountain bike tires run much lower, at 1.5–2.5 bar (22–36 psi). The correct pressure depends on rider weight, tire width, and terrain.
What is normal atmospheric pressure?
Standard atmospheric pressure at sea level is 1.01325 bar, 101.325 kPa, or 14.696 psi. Weather reports use hectopascals (hPa) — a "normal" day is around 1013 hPa (1.013 bar). High pressure (fair weather) is above 1020 hPa; low pressure (storms) is below 1000 hPa.
What is a healthy blood pressure reading?
Blood pressure is measured in mmHg (millimeters of mercury), not bar or psi. A healthy reading is below 120/80 mmHg. High blood pressure (hypertension) is defined as 130/80 mmHg or higher. For reference: 120 mmHg systolic = 0.160 bar = 2.32 psi.
What pressure is inside a football (soccer ball)?
FIFA regulations require a match soccer ball to be inflated to 0.6–1.1 bar (8.7–16 psi) above atmospheric pressure. Most balls are inflated to about 0.8–0.9 bar (11.6–13 psi) gauge pressure. An NFL American football is inflated to 12.5–13.5 psi (0.86–0.93 bar) gauge.