A 265/55R19 tire is 30.5″ tall and 10.4″ wide, and fits a 19″ wheel. In inches it is written 30.5×10.4R19.
Heights published by Michelin for all 5 tires in this size. Their published revolutions per mile work out to 29.6″ under load (below).
Real 265/55R19 tires measure 30.50–30.51″, against 30.48″ from the size code. Every one runs taller than the size code.
Published revs per mile (682) mean the tire rolls like a 29.6″ tire on the vehicle. Use this for speedometer calibration.
The lightest (Michelin CrossClimate2, XL) is 3.3 lb lighter per corner than the heaviest (Michelin X-Ice Snow, XL).
Sort by the spec you care about.
| Load | Revs/mi | Source | |||||
|---|---|---|---|---|---|---|---|
| Michelin CrossClimate2All-season | XL · 113V | 30.50 | 31.8 | 10.0 | 2,535 | 682 | Spec page |
| Michelin X-Ice Snow+Winter | XL · 113H | 30.51 | 34.2 | 10.5 | 2,535 | 682 | Spec page |
| Michelin Pilot Sport 4 SUVPerformance | XL · 113Y | 30.50 | 34.7 | 9.5 | 2,535 | 682 | Spec page |
| Michelin Defender LTX M/S 2All-season | XL · 113H | 30.50 | 34.9 | 11.0 | 2,535 | 682 | Spec page |
| Michelin X-Ice SnowWinter | XL · 113T | 30.51 | 35.1 | 10.5 | 2,535 | 682 | Spec page |
Close. The size code works out to 30.48″, and the 5 tires here publish 30.50–30.51″, so people call it a 31.
All 31-inch tire sizes, on every wheel size.
Differences in overall diameter, calculated from each size code.
A percentage, not a measurement: the sidewall is 55% as tall as the tire is wide, which is 145.8 mm or 5.74 inches.
Radial construction.
Mounts on a 19-inch wheel. Approved wheel widths run 7.5″ to 9.5″.
Each tire carries up to 2,535 lb (1,150 kg) at its maximum pressure.
Rated for up to 130 mph sustained.
Printed after the size.
| Specification | Inches | Metric |
|---|---|---|
| Overall diameter | 30.48 | 774 mm |
| Section width | 10.43 | 265 mm |
| Sidewall height | 5.74 | 145.8 mm |
| Circumference | 95.7 | 2,432 mm |
| Revolutions per mile (calculated, unloaded) | 661.8 | 411 per km |
| Revolutions per mile (published by manufacturers) | 682 | 424 per km |
| Approved wheel width | 7.5–9.5 | 191–241 mm |
30.48 inches tall, 10.43 inches wide, on a 19-inch wheel. Written in inches, that is roughly 30.5×10.4R19.
Between 31.8 lb and 35.1 lb for the 5 tires listed here. The lightest is the Michelin CrossClimate2 (XL); the heaviest is the Michelin X-Ice Snow (XL).
Manufacturers approve 7.5–9.5″ wide wheels for this size.
Published figures run 682 revolutions per mile. The calculated figure is 661.8, but manufacturers measure the tire under load, where it rolls on a smaller radius.
0.37 inches taller on paper (30.48″ vs 30.10″), which raises the axle about 0.19″. Your speedometer will read about 1.2% slow.