235/40R19 Tire Size
Dimensions of a 235/40R19 tire in inches and millimeters, with equivalent and plus sizes.
235/40R19 dimensions
A 235/40R19 tire is 235 mm wide with a sidewall that is 40% of the width (94 mm), mounted on a 19-inch rim. Its overall diameter is about 26.40 inches (671 mm), so it is roughly a 26.4-inch tall tire.
| Overall diameter | 26.40 in | 671 mm |
|---|---|---|
| Section width | 9.25 in | 235 mm |
| Sidewall height | 3.70 in | 94.0 mm |
| Rim diameter | 19 in | 483 mm |
| Circumference | 82.9 in | 2107 mm |
| Revolutions | 764 per mile | 475 per km |
Equivalent sizes on a 19-inch rim
These sizes stay within ±3% of the 235/40R19 diameter on the same rim — the range most tire shops use. Not every size is made in every tire model, and only sizes approved for your vehicle (with the right load and speed rating) should be fitted.
| Size | Diameter | mm | Difference |
|---|---|---|---|
| 215/45R19 | 26.62 in | 676 mm | +0.8% |
| 225/40R19 | 26.09 in | 663 mm | -1.2% |
| 245/40R19 | 26.72 in | 679 mm | +1.2% |
| 255/35R19 | 26.03 in | 661 mm | -1.4% |
| 225/45R19 | 26.97 in | 685 mm | +2.2% |
| 215/40R19 | 25.77 in | 655 mm | -2.4% |
| 255/40R19 | 27.03 in | 687 mm | +2.4% |
| 245/35R19 | 25.75 in | 654 mm | -2.5% |
Plus and minus sizes
Changing the rim size? These options on 18-, 20- and 21-inch rims keep the overall diameter within ±3%.
| Size | Diameter | mm | Difference |
|---|---|---|---|
| 265/40R18 | 26.35 in | 669 mm | -0.2% |
| 235/45R18 | 26.33 in | 669 mm | -0.3% |
| 235/35R20 | 26.48 in | 672 mm | +0.3% |
| 225/30R21 | 26.31 in | 668 mm | -0.3% |
| 265/30R20 | 26.26 in | 667 mm | -0.5% |
| 235/30R21 | 26.55 in | 674 mm | +0.6% |
| 265/25R21 | 26.22 in | 666 mm | -0.7% |
| 225/35R20 | 26.20 in | 666 mm | -0.8% |
| 245/45R18 | 26.68 in | 678 mm | +1.1% |
| 245/35R20 | 26.75 in | 680 mm | +1.3% |
Compare 235/40R19 with another size →
Frequently asked questions
How tall is a 235/40R19 tire?
About 26.40 inches (671 mm) in overall diameter.
How wide is a 235/40R19 tire?
The section width is 235 mm, about 9.3 inches.
What size can replace 235/40R19?
On the same rim, 215/45R19 is the closest size (+0.8% diameter). Use only sizes approved for your vehicle.
How many revolutions per mile does a 235/40R19 tire make?
About 764 revolutions per mile (475 per km).
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