Tyre Width: This is the width of your tyre at its widest point measured in millimetres.
Profile: This is the height of a tyre represented as a percentage of the width of the tyre.
Rim Diameter: This is the diameter of the rim the tyre is designed to fit measured in inches.
Load Index: This number represents how much weight each tyre can support. Always ensure that any tyres fitted to your vehicle have a load rating equal to or greater than the load rating recommended by the vehicle manufacturer.
Speed Rating: This is the speed a loaded tyre can withstand for a period of time without disintegrating. Please note the maximum speed you are allowed to travel on any road is governed by your local state authorities, a speed rating in no way implies that it is safe to drive a vehicle at the indicated speed.
| SYMBOL | J | K | L | M | N | P | Q | R | S | T | U | H | V | W | Y | VR | ZR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SPEED IN KMH | 100 | 110 | 120 | 130 | 140 | 150 | 160 | 170 | 180 | 190 | 200 | 210 | 240 | 270 | 300 | >210 | >240 |
You may have noticed that your tyres don't conform with the above conventions. If this is the case it is likely that your vehicle has inch size tyres fitted to it. Packard Automotive stock these tyres but if you would like to convert to a metric size you can use the calculator below.
Enter your inch tyre size and hit calculate to convert it to metric.
This page is designed to help you determine if a new set of wheels/tyres will fit your vehicle. Simply enter your current tyre and rim details and your proposed tyre and rim details and hit calculate.
Please note that this is a guide only. The various styles and types of tyres available means that the location of the widest port of a tyre varies considerably. It is also important to note that just because a tyre will fit doesn't mean it is legal to fit it. Please contact us on 08 9414 9555 to confirm if you are legally allowed to fit your desired set of wheels.
The diameter of your current wheel is: 634mm
The diameter of the new wheel is: 625mm
The circumference of your current wheel is: 1992mm
The circumference of your new wheel is: 1963mm
If you put the new wheels on your vehicle it will be traveling at 99kph when your speedo indicates 100kph
Your new wheels will protrude -5mm further under your vehicle
Your new wheels will protrude -5mm further out from under your vehicle