tireheight.com235/50R20 in inches
A 235/50R20 tire is 29.3″ tall and 9.3″ wide, and fits a 20″ wheel. In inches it is written 29.3×9.3R20.
How tall 235/50R20 tires really are
Heights published by Michelin for all 8 tires in this size. Their published revolutions per mile work out to 28.4″ under load (below).
Real 235/50R20 tires measure 29.29–29.30″, against 29.25″ from the size code. Every one runs taller than the size code.
Published revs per mile (710) mean the tire rolls like a 28.4″ tire on the vehicle. Use this for speedometer calibration.
The lightest (Michelin Pilot Sport 4 SUV, XL) is 5.2 lb lighter per corner than the heaviest (Michelin Pilot Sport 4 SUV, SL).
8 tires in 235/50R20
Sort by the spec you care about.
| Load | Revs/mi | Source | |||||
|---|---|---|---|---|---|---|---|
| Michelin Pilot Sport 4 SUVPerformance | XL · 104Y | 29.30 | 28.4 | 9.5 | 1,984 | 710 | Spec page |
| Michelin CrossClimate2All-season | XL · 104V | 29.30 | 29.6 | 10.0 | 1,984 | 710 | Spec page |
| Michelin Primacy All SeasonTouring | SL · 100V | 29.30 | 29.7 | 8.5 | 1,764 | 710 | Spec page |
| Michelin Primacy All SeasonTouring | SL · 100H | 29.30 | 30.2 | 8.5 | 1,764 | 710 | Spec page |
| Michelin Pilot Sport All-Season 4Performance | XL · 104Y | 29.30 | 30.4 | 10.0 | 1,984 | 710 | Spec page |
| Michelin X-Ice SnowWinter | XL · 104T | 29.29 | 32.6 | 10.5 | 1,984 | 710 | Spec page |
| Michelin X-Ice Snow+Winter | XL · 104H | 29.29 | 32.7 | 10.5 | 1,984 | 710 | Spec page |
| Michelin Pilot Sport 4 SUVPerformance | SL · 100V | 29.30 | 33.6 | 9.5 | 2,039 | 710 | Spec page |
Is 235/50R20 a 29-inch tire?
Yes. The size code works out to 29.25″, and the 8 tires here publish 29.29–29.30″, so people call it a 29.
All 29-inch tire sizes, on every wheel size.
Compare with nearby sizes
Differences in overall diameter, calculated from each size code.
How to read 235/50R20
A percentage, not a measurement: the sidewall is 50% as tall as the tire is wide, which is 117.5 mm or 4.63 inches.
Radial construction.
Mounts on a 20-inch wheel. Approved wheel widths run 6.5″ to 8.5″.
Each tire carries up to 1,764 lb (800 kg) at its maximum pressure.
Rated for up to 149 mph sustained.
| Specification | Inches | Metric |
|---|---|---|
| Overall diameter | 29.25 | 743 mm |
| Section width | 9.25 | 235 mm |
| Sidewall height | 4.63 | 117.5 mm |
| Circumference | 91.9 | 2,334 mm |
| Revolutions per mile (calculated, unloaded) | 689.5 | 428 per km |
| Revolutions per mile (published by manufacturers) | 710 | 441 per km |
| Approved wheel width | 6.5–8.5 | 165–216 mm |
Speedometer error after switching to 235/50R20
Questions about 235/50R20
What is 235/50R20 in inches?
29.25 inches tall, 9.25 inches wide, on a 20-inch wheel. Written in inches, that is roughly 29.3×9.3R20.
How much does a 235/50R20 tire weigh?
Between 28.4 lb and 33.6 lb for the 8 tires listed here. The lightest is the Michelin Pilot Sport 4 SUV (XL); the heaviest is the Michelin Pilot Sport 4 SUV (SL).
What wheel width do I need for 235/50R20?
Manufacturers approve 6.5–8.5″ wide wheels for this size.
How many revolutions per mile does a 235/50R20 make?
Published figures run 710 revolutions per mile. The calculated figure is 689.5, but manufacturers measure the tire under load, where it rolls on a smaller radius.
How much taller is 235/50R20 than 255/45R20?
0.22 inches taller on paper (29.25″ vs 29.04″), which raises the axle about 0.11″. Your speedometer will read about 0.7% slow.