Here just the Key data enter
the Andert on the vehicle
|Change of ground clearance|
|Rolling circumference calculation difference|
|Speedometer display at 100 km / h|
|Change of the outer edge per side|
|Change of the inside edge per side|
Which tires I can and may drive on my vehicle? A question that numerous tuners ask themselves every day. There are many reasons for changing to a different tire size. Be it the desire for individuality in tuning, the possibility of saving fuel through a lower rolling circumference or because you would like to continue using the old tires on the newly purchased car.
But be careful: If the rolling circumference changes by more than -2.5% or more than + 1,5%, there are usually no permission from the test center. Therefore, our tire calculator should help to find the correct rims and tires. A too great a difference appears in the display field RED displayed.
With the tuningblog tire calculator the difference between the new and old tires can be calculated and you receive important information that you should pay attention to when replacing rims and tires. The speedometer may show a maximum of 10% or +4 km / h more than the real speed driven and no km / h less. If there is a higher deviation, a Adjustment of the speedometer necessary, which is associated with additional workshop costs. The tuningblog tire calculator determines whether a speedometer adjustment is necessary with the desired tire.
Tire, rim and offset calculator
Values like Rolling circumference, tire diameter, speed deviations, any necessary amendments when ground clearance, Rim width or spacers you can easily calculate and find out which tires or rims work on your vehicle. There is also a practical, graphic representation.
- Calculate the speedometer deviation
If you mount a different tire size, that changes too Rolling circumference. Since the speedometer determines the speed of the vehicle via the wheel revolutions, a different wheel size can influence the speed display. So you should go for one bigger Change tires, the speedometer becomes one lower Show the speed when you are actually driving. Conversely, the speedometer shows at smaller tires then a faster pace. The speedometer must not exceed 10% +4 km / h show more than the really driven speed and no km / h Less. If the difference to the new wheel size is too great, it may be necessary to adjust the speedometer.
- Note ground clearance
Changing the tire size can also affect that ground clearance of the vehicle, which can become a safety and traffic risk. Since there are no legal requirements for minimum ground clearance, the decision is made at the end of the day tester. Most decisions, however, are based on the guideline values of the TÜV, which state that a lowered vehicle with a driver and a full tank is an obstacle 800 mm wide and 110 mm high should be able to run over in the middle. You can find out whether a different tire changes the ground clearance of your vehicle in the tuning blog tire calculator.
Attention: a comparison of brands and models
Our tire calculator takes this into account can not be which vehicle model you own. It is also possible that the rolling circumference does not change significantly when changing to a different tire size. This can be the case, for example, if from narrow tires in combination with a large rim diameter wide tires is changed with a small rim diameter. The safest solution is to switch in the same rim diameter.
- Comparison only with approved tire size
A suitable alternative tire size can only be reliably calculated if your existing tire also has a tire size that is permissible for your vehicle. Otherwise, the alternative may end up being Do NOT spread pesto on this layer! fits the alternative on your vehicle.
- Beware of wrong tire sizes
The choice of correct tire size should not be taken lightly. If the tire is too big or too small, your vehicle can be damaged. If the tire reaches up to the wheel arch, it could be cut off / slashed. The sudden load would damage the rim and shock absorber to damage and you could lose control of your vehicle. So always be careful when choosing the right tire size and choose an alternative that fits.
Important information about our calculator!
When using our tire circumference calculator, always keep in mind the make and model of your vehicle disregarded stay. For example, it can be due to the size of the brake discs not possible replace a 215/40 R18 tire with a 18/175 R80 tire mounted on 13-inch rims. It is also the other way around no change possible. If in doubt, you should always seek professional advice in order to find a suitable alternative tire.
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