How many PSI is 2 bar?

2 bar equals approximately 29.0 PSI. The exact conversion is 1 bar = 14.5038 PSI, so 2 bar = 29.0076 PSI.

What is the difference between PSI and kPa?

1 PSI equals 6.89476 kPa. kPa (kilopascal) is the SI unit used in Canada, Australia, and many other countries, while PSI (pounds per square inch) is standard in the United States.

Is kg/cm² the same as bar?

Almost, but not exactly. 1 kg/cm² (also written kgf/cm²) equals 0.980665 bar. For most practical purposes they are treated as equivalent, but scientific calculations require the precise factor.

What tire pressure should I inflate my tires to?

Always follow the pressure listed on your vehicle's tire placard (usually on the driver's door jamb or fuel cap), not the maximum pressure printed on the tire sidewall. Typical passenger cars run 30–35 PSI (2.1–2.4 bar), SUVs and light trucks 35–44 PSI (2.4–3.0 bar).

Should I check tire pressure when the tires are hot or cold?

Always check and set pressure when tires are cold (driven less than 1 mile / 1.6 km). Heat from driving increases pressure by 4–6 PSI, so a hot reading will be higher than the true cold pressure.

Why do some tires have different front and rear pressures?

Weight distribution, handling balance, and load requirements often differ between axles. Sports cars with rear-engine layouts, trucks with heavy payloads, and performance vehicles commonly specify different front/rear pressures on the door placard.

Tire Pressure Converter

Name: Tire Pressure Converter
Availability: InStock
Author: Nham Vu

Enter a tire pressure value, pick a unit, and instantly see the equivalent in PSI, bar, kPa, and kg/cm² — plus a quick-reference table for common vehicle types.

Pressure Unit Converter

Type in any field — all others update instantly.

PSI (pounds per square inch)

PSI

bar

kPa (kilopascals)

kPa

kg/cm² (kgf/cm²)

kg/cm²

Recommended Tire Pressure Reference

Typical manufacturer-recommended cold inflation. Always verify against your vehicle's door placard.

Vehicle Type	PSI	bar	kPa

Unit Conversion Factors

1 PSI = 0.06895 bar

1 PSI = 6.8948 kPa

1 bar = 14.5038 PSI

1 bar = 100 kPa

1 kPa = 0.14504 PSI

1 kg/cm² = 14.2233 PSI

1 kg/cm² = 0.980665 bar

1 kg/cm² = 98.0665 kPa

Summary

Enter a tire pressure value, pick a unit, and instantly see the equivalent in PSI, bar, kPa, and kg/cm² — plus a quick-reference table for common vehicle types.

How it works

Enter a pressure value in any of the four unit fields.
The other three fields update automatically as you type.
Or choose a starting unit from the dropdown and type a single number.
Scroll down to the reference table for typical recommended pressures by vehicle type.
Use the Reset button to clear all fields and start over.

Use cases

Convert a European tyre placard reading in bar to the PSI your pump displays.
Translate kPa values shown in a Japanese vehicle manual to bar for a European pump.
Double-check recommended PSI against a tire sidewall marked in bar.
Look up typical inflation ranges for a car, SUV, or motorcycle when the door sticker is missing.
Cross-reference pressures before inflating run-flat or low-profile tires.
Convert kg/cm² readings from older Asian-market gauges to modern bar or PSI.

Frequently Asked Questions

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Last updated: 2026-05-29 · Reviewed by Nham Vu