tireheight.com

205/65R15 in inches

A 205/65R15 tire is 25.5″ tall and 8.1″ wide, and fits a 15″ wheel. In inches it is written 25.5×8.1R15.

Diameter25.49″
Width8.07″
Sidewall5.25″
205/65R15 drawn to scale: 25.49 inch diameter, 5.25 inch sidewall, 15 inch wheel, 8.07 inch tread width15″ wheel5.25″25.49″ overall8.07″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 205/65R15 tires really are

Heights published by BFGoodrich, General, Michelin and Toyo for all 9 tires in this size. Their published revolutions per mile work out to 24.7″ under load (below).

Real 205/65R15 tires measure 25.47–25.50″, against 25.49″ from the size code. They run both taller and shorter than the size code.

Height under load24.7″

Published revs per mile (815–817) mean the tire rolls like a 24.7″ tire on the vehicle. Use this for speedometer calibration.

Weight spread18.7–22.5 lb

The lightest (General AltiMAX RT45, SL) is 3.8 lb lighter per corner than the heaviest (BFGoodrich Advantage Control, XL).

9 tires in 205/65R15

Sort by the spec you care about.

LoadRevs/miSource
General AltiMAX RT45TouringSL · 94H25.5018.711.01,477815Spec page
General AltiMAX RT45TouringXL · 99T25.5019.011.01,709815Spec page
General ReliaTrekTouringSL · 94H25.5019.211.01,477815Spec page
Toyo Extensa A/S IIAll-seasonSL · 94H25.4720.711.21,477816Spec page
Toyo Celsius IITouringSL · 94H25.4721.311.21,477816Spec page
Michelin X-Ice SnowWinterXL · 99T25.4722.410.51,709817Spec page
Toyo Observe G3-IceWinterSL · 94T25.4722.511.31,477816Spec page
BFGoodrich Advantage ControlAll-seasonXL · 99H25.4722.511.51,709817Spec page
General AltiMAX Arctic XWinterXL · 99T25.5022.512.01,709815Spec page

Is 205/65R15 a 25-inch tire?

≈25″

Close. The size code works out to 25.49″, and the 9 tires here publish 25.47–25.50″, so people call it a 25.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 205/65R15Difference
205/60R1524.69-0.81″-3.2%
195/65R1524.98-0.51″-2.0%
215/60R1525.16-0.33″-1.3%
195/75R1425.52+0.02″+0.1%
245/60R1425.57+0.08″+0.3%
225/60R1525.63+0.14″+0.5%
195/70R1525.75+0.26″+1.0%
215/65R1526.00+0.51″+2.0%
235/60R1526.10+0.61″+2.4%
205/70R1526.30+0.81″+3.2%

How to read 205/65R15

How to read any tire size

205/65R15 94H as printed on the tire sidewall, with each part numbered205/65R15 94H123456
How 205/65R15 94H is printed on the sidewall. It's the most common code among the 9 tires here (4 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

265Aspect ratio

A percentage, not a measurement: the sidewall is 65% as tall as the tire is wide, which is 133.3 mm or 5.25 inches.

3RConstruction

Radial construction.

415Wheel diameter

Mounts on a 15-inch wheel. Approved wheel widths run 5.5″ to 7.5″.

594Load index

Each tire carries up to 1,477 lb (670 kg) at its maximum pressure.

6HSpeed rating

Rated for up to 130 mph sustained.

SpecificationInchesMetric
Overall diameter25.49648 mm
Section width8.07205 mm
Sidewall height5.25133.3 mm
Circumference80.12,034 mm
Revolutions per mile (calculated, unloaded)791.2492 per km
Revolutions per mile (published by manufacturers)815–817506–508 per km
Approved wheel width5.5–7.5140–191 mm

Speedometer error after switching to 205/65R15

Your actual speed– mph

Questions about 205/65R15

What is 205/65R15 in inches?

25.49 inches tall, 8.07 inches wide, on a 15-inch wheel. Written in inches, that is roughly 25.5×8.1R15.

How much does a 205/65R15 tire weigh?

Between 18.7 lb and 22.5 lb for the 9 tires listed here. The lightest is the General AltiMAX RT45 (SL); the heaviest is the BFGoodrich Advantage Control (XL).

What wheel width do I need for 205/65R15?

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

How many revolutions per mile does a 205/65R15 make?

Published figures run 815–817 revolutions per mile. The calculated figure is 791.2, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 205/65R15 than 215/60R15?

0.33 inches taller on paper (25.49″ vs 25.16″), which raises the axle about 0.17″. Your speedometer will read about 1.3% slow.