Best 245/40 R18 Tires. Rims & Conversion Info

245/40 R18 in inches What rims fit 245/40 R18 tires What is 245/40 R18?

Best 245/40 R18 All-Season Tires

Image of Bridgestone Turanza QuietTrack
Bridgestone Turanza QuietTrack
Overall: 90.5%
Dry: 90.3%
Wet: 92%
Snow: 88%
Comfort: 97.5%
Wear: 93%
Buy again: 100%
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Image of Continental PureContact LS
Continental PureContact LS
Overall: 86%
Dry: 93%
Wet: 92%
Snow: 80%
Comfort: 89%
Wear: 87%
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Image of Michelin CrossClimate 2
Michelin CrossClimate 2
Overall: 84.1%
Dry: 78%
Wet: 89%
Snow: 90%
Comfort: 89%
Wear: 86%
Buy again: 87%
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Image of Continental ExtremeContact DWS 06 PLUS
Continental ExtremeContact DWS 06 PLUS
Overall: 81.8%
Dry: 87%
Wet: 91%
Snow: 86%
Comfort: 84%
Wear: 64%
Buy again: 84%
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Image of Michelin Pilot Sport All Season 4
Michelin Pilot Sport All Season 4
Overall: 80.7%
Dry: 84.3%
Wet: 92%
Snow: 71%
Comfort: 80%
Wear: 80%
Buy again: 87%
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Image of General AltiMAX RT43
General AltiMAX RT43
Overall: 80.3%
Dry: 84.7%
Wet: 82.5%
Snow: 75%
Comfort: 86%
Wear: 89.5%
Buy again: 93%
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Image of Yokohama ADVAN Sport A/S
Yokohama ADVAN Sport A/S
Overall: 80%
Dry: 88%
Wet: 87%
Snow: 70%
Comfort: 88%
Wear: 86%
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Best 245/40 R18 Street/Racetrack Tires

Image of Toyo Proxes R888R
Toyo Proxes R888R
Overall: 86%
Dry: 92%
Wet: 54%
Comfort: 67%
Wear: 69%
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Best 245/40 R18 Summer Tires

Image of Nexen N FERA AU7
Nexen N FERA AU7
Overall: 91.4%
Dry: 93.3%
Wet: 90%
Comfort: 90%
Wear: 90%
Buy again: 90%
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Image of Goodyear Eagle F1 Supercar 3R
Goodyear Eagle F1 Supercar 3R
Overall: 89%
Dry: 97%
Wet: 75%
Comfort: 90%
Wear: 70%
Buy again: 97%
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Image of Michelin Pilot Super Sport
Michelin Pilot Super Sport
Overall: 88%
Dry: 92.7%
Wet: 87.5%
Comfort: 84.5%
Wear: 82.5%
Buy again: 89%
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Image of Bridgestone Potenza RE-71R
Bridgestone Potenza RE-71R
Overall: 88%
Dry: 96%
Wet: 76%
Comfort: 70%
Wear: 62%
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Image of Hankook Ventus R-S4
Hankook Ventus R-S4
Overall: 87%
Dry: 91%
Wet: 75%
Comfort: 77%
Wear: 86%
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Image of Hankook Ventus S1 noble2
Hankook Ventus S1 noble2
Overall: 85.6%
Dry: 84.7%
Wet: 87%
Comfort: 90%
Wear: 77%
Buy again: 91%
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Image of Continental ExtremeContact Sport
Continental ExtremeContact Sport
Overall: 85.6%
Dry: 88.7%
Wet: 83%
Comfort: 87%
Wear: 86.5%
Buy again: 100%
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Best 245/40 R18 Winter Tires

Image of Michelin X-Ice Xi3
Michelin X-Ice Xi3
Overall: 85%
Dry: 85%
Wet: 88%
Snow: 88%
Comfort: 89%
Wear: 90%
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Image of Pirelli Winter Sottozero 3 Run Flat
Pirelli Winter Sottozero 3 Run Flat
Overall: 84%
Dry: 87%
Wet: 88%
Snow: 84%
Comfort: 83%
Wear: 80%
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Image of Bridgestone Blizzak WS80
Bridgestone Blizzak WS80
Overall: 83.3%
Dry: 76.7%
Wet: 80%
Snow: 90%
Comfort: 90%
Wear: 70%
Buy again: 100%
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Image of Pirelli Winter Sottozero 3
Pirelli Winter Sottozero 3
Overall: 82.8%
Dry: 88.8%
Wet: 92.5%
Snow: 87.5%
Comfort: 83.5%
Wear: 81.5%
Buy again: 90%
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Image of Falken EuroWinter HS449
Falken EuroWinter HS449
Overall: 78.4%
Dry: 81.3%
Wet: 87%
Snow: 40%
Comfort: 84%
Wear: 84%
Buy again: 87%
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Image of Bridgestone Blizzak WS90
Bridgestone Blizzak WS90
Overall: 75.1%
Dry: 72.5%
Wet: 84.5%
Snow: 96.5%
Comfort: 73.5%
Wear: 76.5%
Buy again: 100%
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Image of Dunlop SP Winter Sport 3D
Dunlop SP Winter Sport 3D
Overall: 74.3%
Dry: 79%
Wet: 83%
Snow: 70%
Comfort: 76%
Wear: 75%
Buy again: 78%
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Best 245/40 R18 All-Season TiresBest 245/40 R18 Street/Racetrack TiresBest 245/40 R18 Summer TiresBest 245/40 R18 Winter Tires

245/40 R18 in inches

245/40 R18 tires' overall diameter is 25.7 inches, tire width is 9.6 inches, the tire can be mounted on 18 inches wheel and the circumference is 80.7". With that parameters, we can calculate that it will take approximately 785.1 revolutions per mile.

So the closest metric tire size of 245/40R18 existing size in inches is 33x10.50R18, which is 28.4% taller and 9.38% wider.

You can use our handy tire size calculator to compare 245/40 R18 vs 33x10.50R18.

Popular comparisons with this size

What rims fit 245/40 R18 tires?

For each tire size there often there are several wheel sizes. You can't put too wide tires on narrow rims or vice versa. Here is what size of the wheels your vehicle needs for 245/40 R18 tires:

Rim diameter x rim width

245/40 R18 – what does it mean?

Parameter Meaning
245 The first number shows that the tire has a section width of 245 mm or approximately 9.6 inches.
40 The second number is the aspect ratio or sidewall height. In this case, it is 40%. It shows the height of the tire from the ground to the rim edge or the height of the tire's cross-section which is 40% of the width or ~ 98mm
R18 The letter R means this tire is radial. Most of all tires nowadays are radial. The number is the tire diameter in inches. It means that the tire will fit 18-inch wheels

If you want to know more about how to decipher information inscribed on your tires, including aspects such as the tire height, tire width, and the diameter of the wheel, this guide provides an in-depth look at how to read a tire sidewall. These measurements can reveal a wealth of information about your tire's specifications and suitability for your vehicle. Mastering these details will allow you to make informed decisions when buying or replacing your tires.