PSI to BAR Conversion

Convert PSI to BAR

Need to convert PSI to BAR? 1 PSI = 0.0689475729 BAR. To convert PSI to BAR, multiply the PSI number by 0.0689475729, or divide it by 14.504.

For quick reference:

30 PSI to BAR = 2.07 BAR
35 PSI to BAR = 2.41 BAR
100 PSI to BAR = 6.89 BAR

This Tire Streets guide gives you the formula, quick examples, and a full PSI to BAR conversion chart so you can check tire pressure with confidence. If you need the reverse conversion, use our BAR to PSI conversion chart.

What is PSI?

PSI stands for pounds per square inch. It is one of the most common pressure units used in the United States, especially for tire pressure.

When you see a tire pressure number like 32 PSI, 35 PSI, or 40 PSI, that number tells you how much air pressure is inside the tire. The right pressure helps your tires support the vehicle properly, maintain contact with the road, and perform the way they were designed to.

At Tire Streets, we talk about tire pressure a lot because it matters across every kind of driving - daily commuting, spirited backroad driving, drifting, track days, off-road use, trucks, SUVs, and everything in between.

What is PSI in Tire Pressure?

In tire pressure, PSI measures the amount of air pressure inside your tire. It is one of the easiest maintenance numbers to overlook, but it has a real effect on ride feel, handling, tire wear, braking, fuel efficiency, and safety.

For everyday driving, the right PSI is not something you should guess. Use the cold tire pressure recommended by your vehicle manufacturer. You can usually find it on the Tire and Loading Information Label inside the driver-side door area or in your owner’s manual.

If you are checking pressure because your tires are worn, damaged, or no longer right for how you drive, you can also search tires by size on Tire Streets.

How to Convert PSI to BAR

The PSI to BAR formula is:

PSI × 0.0689475729 = BAR

You can also use:

PSI ÷ 14.504 = BAR

Both formulas work. For normal tire pressure checks, rounding to two decimal places is accurate enough.

For example:

30 PSI to BAR
30 × 0.0689475729 = 2.068427187
Rounded: 30 PSI = 2.07 BAR

35 PSI to BAR
35 × 0.0689475729 = 2.4131650515
Rounded: 35 PSI = 2.41 BAR

100 PSI to BAR
100 × 0.0689475729 = 6.89475729
Rounded: 100 PSI = 6.89 BAR

When Does PSI to BAR Conversion Help?

PSI to BAR conversion is useful when your tire gauge, air compressor, vehicle manual, setup sheet, or imported vehicle documentation uses a different pressure unit than the one you normally use.

In the US, PSI is the standard tire pressure unit most drivers see. BAR is more common in many other countries. So if your gauge reads BAR but your recommendation is listed in PSI, this chart makes the conversion easy.

It is especially useful when you are dialing in tire pressure for different driving needs. A daily driver, drift car, track setup, off-road rig, truck, or SUV may all have different pressure considerations. The conversion is simple, but the right tire and pressure setup still matter.

If you are setting up a car for a specific use, Tire Streets has tire options for daily driving, drift, track, off-road, trucks, and SUVs/CUVs.

PSI to BAR Conversion Chart

Here is a full table with quick PSI to BAR conversions:

PSI (POUND PER SQUARE INCH)

BAR (BAR)

10 psi to bar

0.69 bar

11 psi to bar

0.76 bar

12 psi to bar

0.83 bar

13 psi to bar

0.9 bar

14 psi to bar

0.97 bar

15 psi to bar

1.03 bar

16 psi to bar

1.1 bar

17 psi to bar

1.17 bar

18 psi to bar

1.24 bar

19 psi to bar

1.31 bar

20 psi to bar

1.38 bar

21 psi to bar

1.45 bar

22 psi to bar

1.52 bar

23 psi to bar

1.59 bar

24 psi to bar

1.65 bar

25 psi to bar

1.72 bar

26 psi to bar

1.79 bar

27 psi to bar

1.86 bar

28 psi to bar

1.93 bar

29 psi to bar

2 bar

30 psi to bar

2.07 bar

31 psi to bar

2.14 bar

32 psi to bar

2.21 bar

33 psi to bar

2.28 bar

34 psi to bar

2.34 bar

35 psi to bar

2.41 bar

36 psi to bar

2.48 bar

37 psi to bar

2.55 bar

38 psi to bar

2.62 bar

39 psi to bar

2.69 bar

40 psi to bar

2.76 bar

41 psi to bar

2.83 bar

42 psi to bar

2.9 bar

43 psi to bar

2.96 bar

44 psi to bar

3.03 bar

45 psi to bar

3.1 bar

46 psi to bar

3.17 bar

47 psi to bar

3.24 bar

48 psi to bar

3.31 bar

49 psi to bar

3.38 bar

50 psi to bar

3.45 bar

51 psi to bar

3.52 bar

52 psi to bar

3.59 bar

53 psi to bar

3.65 bar

54 psi to bar

3.72 bar

55 psi to bar

3.79 bar

56 psi to bar

3.86 bar

57 psi to bar

3.93 bar

58 psi to bar

4 bar

59 psi to bar

4.07 bar

60 psi to bar

4.14 bar

61 psi to bar

4.21 bar

62 psi to bar

4.27 bar

63 psi to bar

4.34 bar

64 psi to bar

4.41 bar

65 psi to bar

4.48 bar

66 psi to bar

4.55 bar

67 psi to bar

4.62 bar

68 psi to bar

4.69 bar

69 psi to bar

4.76 bar

70 psi to bar

4.83 bar


Checking Tire Pressure Before You Drive

Check tire pressure when your tires are cold. A cold tire pressure reading is usually taken before driving or after the vehicle has been parked long enough for the tires to cool down. If your tire pressure is lower than recommended, add air until it matches the recommended cold pressure for your vehicle. If the pressure is too high, release air slowly and recheck with an accurate gauge.

If your vehicle has TPMS, it is still worth checking your tire pressure manually. TPMS is helpful, but it may only warn you once a tire is significantly underinflated.

While you’re checking tire pressure, take a quick look at your tread, sidewalls, and overall tire condition. If your tires are worn, damaged, or no longer right for the way you drive, Tire Streets makes it easy to search by tire size and compare options for daily driving, drift, track, off-road, SUVs, trucks, and more. Before you buy, you can also check current Tire Streets promotions for available offers, sign-up savings, and eligible bulk-buy discounts on larger tire orders.


FAQ About PSI to BAR Conversion

  • How do you convert PSI to BAR?

To convert PSI to BAR, multiply the PSI value by 0.0689475729. You can also divide the PSI value by 14.504. For example, 30 PSI × 0.0689475729 = 2.068427187 BAR, which rounds to 2.07 BAR. For normal tire-pressure checks, rounding to two decimal places is accurate enough.

  • What is 30 PSI in BAR?

30 PSI is 2.07 BAR when rounded to two decimal places. The full calculation is 30 × 0.0689475729 = 2.068427187 BAR. This is a common tire-pressure conversion because many passenger vehicles use tire pressures around this range, but you should always use your vehicle’s recommended cold tire pressure.

  • What is 35 PSI in BAR?

35 PSI is 2.41 BAR when rounded to two decimal places. The full calculation is 35 × 0.0689475729 = 2.4131650515 BAR. If your vehicle label or setup guide lists 35 PSI and your gauge reads BAR, set the pressure to about 2.41 BAR when the tires are cold.

  • What is 100 PSI in BAR?

100 PSI is 6.89 BAR when rounded to two decimal places. The full calculation is 100 × 0.0689475729 = 6.89475729 BAR. This is higher than typical passenger-car tire pressure, but the conversion is useful for certain truck, trailer, equipment, or high-pressure applications where PSI values are much higher.

  • How many PSI is 1 BAR?

1 BAR is about 14.50 PSI. More precisely, 1 BAR equals about 14.5038 PSI. This is the reverse of PSI to BAR conversion. To convert BAR to PSI, multiply the BAR value by 14.504. For example, 2.5 BAR × 14.504 = 36.26 PSI.

  • What is normal tire PSI?

There is no single normal PSI for every vehicle. The right tire pressure depends on the vehicle, tire size, load, and manufacturer recommendation. For everyday driving, use the cold tire pressure listed on the Tire and Loading Information Label inside the driver-side door area or in the owner’s manual.

  • Should I inflate tires to the max PSI on the sidewall?

For everyday driving, usually no. The PSI on the tire sidewall is the tire’s maximum cold inflation rating, not necessarily the correct pressure for your vehicle. Your vehicle manufacturer’s recommended cold tire pressure is the better starting point for normal driving because it accounts for the vehicle’s weight, handling, load, and original tire setup.