tireheight.com295/30R18 in inches
A 295/30R18 tire is 25.0″ tall and 11.6″ wide, and fits a 18″ wheel. In inches it is written 25.0×11.6R18.
How tall 295/30R18 tires really are
Heights published by General, Michelin and Toyo for all 9 tires in this size. Their published revolutions per mile work out to 24.2–24.3″ under load (below).
Real 295/30R18 tires measure 25.00″, against 24.97″ from the size code. Every one runs taller than the size code.
Published revs per mile (831–832) mean the tire rolls like a 24.2–24.3″ tire on the vehicle. Use this for speedometer calibration.
The lightest (General G-MAX RS, XL) is 4.7 lb lighter per corner than the heaviest (Toyo Proxes Sport R, XL).
9 tires in 295/30R18
Sort by the spec you care about.
| Load | Revs/mi | Source | |||||
|---|---|---|---|---|---|---|---|
| General G-MAX RSPerformance | XL · 98Y | 25.00 | 24.2 | 10.0 | 1,653 | 832 | Spec page |
| Toyo Proxes RPerformance | SL · 94W | 25.00 | 25.6 | 3.6 | 1,477 | 831 | Spec page |
| Michelin Pilot Sport 4 SPerformance | XL · 98(Y) | 25.00 | 25.9 | 9.5 | 1,653 | 832 | Spec page |
| Michelin Pilot Sport Cup 2 ConnectPerformance | XL · 98(Y) | 25.00 | 26.6 | 7.2 | 1,653 | 832 | Spec page |
| Michelin Pilot Sport PS2Performance | XL · 98(Y) | 25.00 | 26.6 | 9.5 | 1,653 | 832 | Spec page |
| Michelin Pilot Sport PS2Performance | XL · 98(Y) | 25.00 | 26.6 | 8.5 | 1,653 | 832 | Spec page |
| Toyo Proxes RRPerformance | SL | 25.00 | 27.6 | 3.6 | 1,477 | 831 | Spec page |
| Toyo Proxes R888RPerformance | XL · 98Y | 25.00 | 28.9 | 6.3 | 1,653 | 831 | Spec page |
| Toyo Proxes Sport RPerformance | XL · 98W | 25.00 | 28.9 | 7.2 | 1,653 | 831 | Spec page |
Is 295/30R18 a 25-inch tire?
Yes. The size code works out to 24.97″, and the 9 tires here publish 25.00″, so people call it a 25.
Compare with nearby sizes
Differences in overall diameter, calculated from each size code.
How to read 295/30R18
A percentage, not a measurement: the sidewall is 30% as tall as the tire is wide, which is 88.5 mm or 3.48 inches.
Radial construction.
Mounts on a 18-inch wheel. Approved wheel widths run 10.0″ to 11.0″.
Each tire carries up to 1,653 lb (750 kg) at its maximum pressure.
Rated for up to 186 mph sustained.
Printed after the size. In this size the XL tires carry up to 1,653 lb each and the standard-load tires up to 1,477 lb, as published.
| Specification | Inches | Metric |
|---|---|---|
| Overall diameter | 24.97 | 634 mm |
| Section width | 11.61 | 295 mm |
| Sidewall height | 3.48 | 88.5 mm |
| Circumference | 78.4 | 1,992 mm |
| Revolutions per mile (calculated, unloaded) | 807.7 | 502 per km |
| Revolutions per mile (published by manufacturers) | 831–832 | 516–517 per km |
| Approved wheel width | 10.0–11.0 | 254–279 mm |
Speedometer error after switching to 295/30R18
Questions about 295/30R18
What is 295/30R18 in inches?
24.97 inches tall, 11.61 inches wide, on a 18-inch wheel. Written in inches, that is roughly 25.0×11.6R18.
How much does a 295/30R18 tire weigh?
Between 24.2 lb and 28.9 lb for the 9 tires listed here. The lightest is the General G-MAX RS (XL); the heaviest is the Toyo Proxes Sport R (XL).
What wheel width do I need for 295/30R18?
Manufacturers approve 10.0–11.0″ wide wheels for this size.
How many revolutions per mile does a 295/30R18 make?
Published figures run 831–832 revolutions per mile. The calculated figure is 807.7, but manufacturers measure the tire under load, where it rolls on a smaller radius.
How much taller is 295/30R18 than 215/40R18?
0.20 inches taller on paper (24.97″ vs 24.77″), which raises the axle about 0.10″. Your speedometer will read about 0.8% slow.