245/60R18 tire size
A 245/60R18 tire is 245 mm wide with a 147.0 mm sidewall, 60% of the width, on a 18-inch rim, which puts the whole tire at 751.2 mm, or about 29.6 inches, tall. No model in our data leaves the factory on it, but it can replace the original size on 7 models within 3% of the height.
Overall height
751.2 mm
29.6 in
Sidewall
147.0 mm
60%
Circumference
2,360 mm
Revs per km
424
Actual dimensions of 245/60R18
| Section width | 245 mm (9.6 in) |
| Sidewall height | 147.0 mm (5.79 in) |
| Rim diameter | 18 in (457.2 mm) |
| Overall diameter | 751.2 mm (29.6 in) |
| Circumference | 2,360 mm |
| Revolutions per km | 424 |
| Inch notation (height x width) | 29.6x9.6R18 |
Worked out: sidewall 245 x 0.6 = 147 mm, rim 18 x 25.4 = 457.2 mm, overall 457.2 + (147 x 2) = 751.2 mm, circumference 3.1416 x 751.2 = 2,360 mm. One turn of the tire moves the car about 2.36 m, which is 424 turns per kilometer. New to sidewall codes? See how to read a tire size.
These are nominal figures from the standard formula. Real tires vary slightly by brand and squat a little under the weight of the car.
Cars fitted with 245/60R18 from the factory
No model sold in Thailand in our data leaves the factory on 245/60R18.
Cars that can switch to 245/60R18
These cars leave the factory on another size within 3% of the height of 245/60R18. Whether it fits still depends on rim width and wheel-well clearance.
| Model | Factory size | Height difference | Wheel |
|---|---|---|---|
| Nissan Navara2021–present | 255/60R18 | −1.57% | Same wheel |
| Nissan NP300 Navara2014–2020 | 255/60R18 | −1.57% | Same wheel |
| MG ExtenderCurrent model | 255/60R18 | −1.57% | Same wheel |
| Honda CR-V2023–present | 235/60R18 | +1.62% | Same wheel |
| Honda CR-V2017–2022 | 235/60R18 | +1.62% | Same wheel |
| Mitsubishi Triton2015–2023 | 245/65R17 | +0.12% | Needs 18-inch wheels |
| Mazda CX-52017–present | 225/55R19 | +2.89% | Needs 18-inch wheels |
Sizes that can replace 245/60R18
Sizes within ±3% of the overall height of 245/60R18. “At 100 km/h” is the real speed when the speedometer reads 100.
| Size | Height | Difference | At 100 km/h | Sidewall | Match | Compare |
|---|---|---|---|---|---|---|
| 245/55R19 | 752.1 mm | +0.9 mm (+0.12%) | 100.1 km/h | 134.8 mm | Very close | Compare |
| 245/65R17 | 750.3 mm | −0.9 mm (−0.12%) | 99.9 km/h | 159.3 mm | Very close | Compare |
| 265/45R20 | 746.5 mm | −4.7 mm (−0.63%) | 99.4 km/h | 119.3 mm | Close | Compare |
| 235/55R19 | 741.1 mm | −10.1 mm (−1.34%) | 98.7 km/h | 129.3 mm | Close | Compare |
| 235/65R18 | 762.7 mm | +11.5 mm (+1.53%) | 101.5 km/h | 152.8 mm | Close | Compare |
| 255/50R20 | 763.0 mm | +11.8 mm (+1.57%) | 101.6 km/h | 127.5 mm | Close | Compare |
| 255/55R19 | 763.1 mm | +11.9 mm (+1.58%) | 101.6 km/h | 140.3 mm | Close | Compare |
| 235/60R18 | 739.2 mm | −12.0 mm (−1.60%) | 98.4 km/h | 141.0 mm | Close | Compare |
- Keeping your wheels, the closest is 235/65R18 at 762.7 mm, +11.5 mm (+1.53%) from the original. With the speedometer on 100 km/h, the car would actually be doing about 101.5 km/h. Ground clearance rises by about 5.8 mm.
- Moving up to 19-inch wheels, the closest height match is 245/55R19 (+0.12%), with the sidewall dropping from 147.0 mm to 134.8 mm.
- Going down to 17-inch wheels, 245/65R17 (−0.12%) is the closest match and raises the sidewall to 159.3 mm.
- A larger or wider tire also changes acceleration, fuel use and steering weight, so look beyond the percentage.
Buying 245/60R18 tires
Pickup sizes like this come in quieter, softer H/T tread for paved roads and A/T tread for gravel, which costs more and is noisier. Choose for the roads you actually drive.
Check the production date in the DOT code before paying.
Check current prices
Search by brand
Links open marketplace search results; prices change constantly and not every brand makes this size.
Load index and speed rating for 245/60R18
The code after the size on the sidewall, as in 245/60R18 105S, is the load index and speed symbol. The common ratings for this size:
| Version | Index | Per tire | Four tires |
|---|---|---|---|
| Standard load (SL) | 105 | 925 kg | 3,700 kg |
| Extra load (XL) | 109 | 1,030 kg | 4,120 kg |
The new tire's load index and speed symbol must be no lower than the door placard, and it only carries its rated load at the correct pressure.
Common speed symbols in this size
S
180 km/h
T
190 km/h
H
210 km/h
245/60R18 questions
How tall is a 245/60R18 tire?
About 29.6 inches, or 751.2 mm, from top to bottom before it carries weight. Each sidewall is 147.0 mm tall and the tire is 245 mm (9.6 in) wide.
Which cars use 245/60R18 tires?
No car in our data is fitted with 245/60R18 from the factory, but its height is close to the original size on Nissan Navara, Nissan NP300 Navara, MG Extender, Honda CR-V and Mitsubishi Triton, so it works as a replacement size.
Can I fit 235/65R18 instead of 245/60R18?
Size-wise, yes: the height differs by +1.53% (+11.5 mm), so an indicated 100 km/h is really about 101.5 km/h. The tread is 10 mm narrower. Check rim width and load index first.
How much weight can a 245/60R18 tire carry?
Most standard-load versions carry load index 105: 925 kg per tire, 3,700 kg across four. XL versions are rated 109, or 1,030 kg per tire. Look for the number after the size on the sidewall, as in 245/60R18 105S.
Other 18-inch sizes
To compare other sizes yourself, use the tire size calculator; changing rim size, try plus/minus sizing; and see speedometer error by speed.