What is 2.5 kg of tire pressure in kPa?
2 Answers
Tire pressure of 2.5 kg is 250 kPa. Strictly speaking, tire pressure refers to the air pressure inside the tire, and the level of tire pressure plays a very important role in the performance and power of the car. Generally, a tire pressure value between 2.3 and 2.5 bar is normal. If the car is fully loaded, adjusting the tire pressure to around 2.5 bar is more suitable; if there are only two people, a tire pressure value of 2.3 bar is also normal. Precautions for tires: 1. Avoid driving over potholes at high speed to prevent tire wear or blowouts; 2. Be aware that tire pressure should not be too high in hot weather, as it can easily cause blowouts; 3. When replacing tires, use tires of the same specifications that match the original ones, and do not arbitrarily change the size.
I've been driving all my life. I remember decades ago, tire pressure was measured in kilograms, where 2.5 kilograms was roughly around 250 kPa. Nowadays, car manuals use kPa or psi, which is quite convenient for conversions. Both overinflated and underinflated tires affect safety—for example, insufficient tire pressure on highways can cause tire blowouts or overheating, something I learned the hard way in my younger days. It's recommended to check tire pressure monthly with a gauge; for most passenger cars, the suggested range is between 220-250 kPa. Too low, and your fuel consumption will increase. In winter, tire pressure drops a bit, while the opposite happens in summer, so timely adjustments are necessary. Experienced drivers know these little tricks, which can save you a lot on fuel and trouble—safety always comes first.