tireheight.com

205/55R17 in inches

A 205/55R17 tire is 25.9″ tall and 8.1″ wide, and fits a 17″ wheel. In inches it is written 25.9×8.1R17.

Diameter25.88″
Width8.07″
Sidewall4.44″
205/55R17 drawn to scale: 25.88 inch diameter, 4.44 inch sidewall, 17 inch wheel, 8.07 inch tread width17″ wheel4.44″25.88″ overall8.07″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 205/55R17 tires really are

Heights published by BFGoodrich, General, Michelin and Toyo for all 8 tires in this size. Their published revolutions per mile work out to 25.1″ under load (below).

Real 205/55R17 tires measure 25.90–25.91″, against 25.88″ from the size code. Every one runs taller than the size code.

Height under load25.1″

Published revs per mile (802–803) mean the tire rolls like a 25.1″ tire on the vehicle. Use this for speedometer calibration.

Weight spread20.9–24.7 lb

The lightest (Michelin Primacy 3, SL) is 3.8 lb lighter per corner than the heaviest (BFGoodrich Advantage Control, XL).

8 tires in 205/55R17

Sort by the spec you care about.

LoadRevs/miSource
Michelin Primacy 3PerformanceSL · 91W25.9120.99.01,356803Spec page
General AltiMAX RT45TouringXL · 95V25.9021.111.01,521803Spec page
General AltiMAX Arctic XWinterXL · 95T25.9021.612.01,521803Spec page
Michelin Pilot Sport PS2PerformanceXL · 95Y25.9022.69.51,521803Spec page
Toyo Proxes G-TourXL · 95V25.9023.19.11,521802Spec page
Michelin CrossClimate2All-seasonXL · 95V25.9023.210.01,521803Spec page
Michelin X-Ice SnowWinterXL · 95T25.9123.710.51,521803Spec page
BFGoodrich Advantage ControlAll-seasonXL · 95H25.9124.711.51,521803Spec page

Is 205/55R17 a 26-inch tire?

≈26″

Yes. The size code works out to 25.88″, and the 8 tires here publish 25.90–25.91″, so people call it a 26.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 205/55R17Difference
215/50R1725.46-0.41″-1.6%
275/40R1725.66-0.22″-0.8%
245/45R1725.68-0.20″-0.8%
315/35R1725.68-0.20″-0.8%
225/50R1725.86-0.02″-0.1%
255/45R1726.04+0.16″+0.6%
195/60R1726.21+0.33″+1.3%
335/35R1726.23+0.35″+1.4%
235/50R1726.25+0.37″+1.4%
215/55R1726.31+0.43″+1.7%

How to read 205/55R17

How to read any tire size

205/55R17 95V as printed on the tire sidewall, with each part numbered205/55R17 95V123456
How 205/55R17 95V is printed on the sidewall. It's the most common code among the 8 tires here (3 of them); tires in this size come in other load and speed ratings too.
1205Section width

205 mm across the widest point, or 8.07 inches. Every 205 size

255Aspect ratio

A percentage, not a measurement: the sidewall is 55% as tall as the tire is wide, which is 112.8 mm or 4.44 inches.

3RConstruction

Radial construction.

417Wheel diameter

Mounts on a 17-inch wheel. Approved wheel widths run 5.5″ to 7.5″.

595Load index

Each tire carries up to 1,521 lb (690 kg) at its maximum pressure.

6VSpeed rating

Rated for up to 149 mph sustained.

XLExtra load

Printed after the size. In this size the XL tires carry up to 1,521 lb each and the standard-load tires up to 1,356 lb, as published.

SpecificationInchesMetric
Overall diameter25.88657 mm
Section width8.07205 mm
Sidewall height4.44112.8 mm
Circumference81.32,065 mm
Revolutions per mile (calculated, unloaded)779.4484 per km
Revolutions per mile (published by manufacturers)802–803498–499 per km
Approved wheel width5.5–7.5140–191 mm

Speedometer error after switching to 205/55R17

Your actual speed– mph

Questions about 205/55R17

What is 205/55R17 in inches?

25.88 inches tall, 8.07 inches wide, on a 17-inch wheel. Written in inches, that is roughly 25.9×8.1R17.

How much does a 205/55R17 tire weigh?

Between 20.9 lb and 24.7 lb for the 8 tires listed here. The lightest is the Michelin Primacy 3 (SL); the heaviest is the BFGoodrich Advantage Control (XL).

What wheel width do I need for 205/55R17?

Manufacturers approve 5.5–7.5″ wide wheels for this size.

How many revolutions per mile does a 205/55R17 make?

Published figures run 802–803 revolutions per mile. The calculated figure is 779.4, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 205/55R17 than 225/50R17?

0.02 inches taller on paper (25.88″ vs 25.86″), which raises the axle about 0.01″. Your speedometer will read about 0.1% slow.