194Best 265/70 R18 tires
86 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Cooper Discoverer AT3 4S at 94/100.
32.6″
overall diameter
10.4″
section width
18″
rim diameter
618.5
revs per mile
Best 265/70 R18 all-terrain tires
42194
293
393
493
592
691
790
889
989
1090
1190
129130 more rated tires in this size are listed on their brand pages.
Best 265/70 R18 all-season tires
22
195
292
396
491
591
694
785
886
986
1091
1186
128810 more rated tires in this size are listed on their brand pages.
More top-rated 265/70 R18 tires
12
191
290
390
488
596
689
792
896
986
1082
1183
Best 265/70 R18 winter tires
6
190
296
388
478
Best 265/70 R18 summer tires
3
187
283
348Best 265/70 R18 mud-terrain tires
1
190Conversion
265/70 R18 in inches
| Overall diameter | 32.6″ |
| Section width | 10.4″ |
| Rim diameter | 18″ |
| Sidewall height | 186 mm |
| Circumference | 102.4″ |
| Revolutions per mile | 618.5 |
The closest flotation size is 33x10.50R18 — 1.2% taller and 0.6% wider. Compare them in the calculator.
Wheels
What rims fit 265/70 R18 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
7.5″
Ideal
8.5″
Maximum
9.5″
Rim diameter is fixed at 18″ — only the width varies. Estimated from the 10.4″ section width (70–90% rule).
Fitted from the factory on rims: 18x7.5, 18x8, 18x8.5, 18x9.
Popular comparisons
Sizes often compared with 265/70 R18
Close alternatives — each opens in the tire size calculator.
Sidewall
265/70 R18 — what does it mean?
| Parameter | Meaning |
|---|---|
| 265 | The first number is the section width — 265 mm, or about 10.4 inches across the widest part of the tire. |
| 70 | The second number is the aspect ratio: sidewall height as a percentage of width. At 70%, the sidewall is about 186 mm tall. |
| R18 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 18-inch wheel. |