tireheight.com

225/65R16 in inches

A 225/65R16 tire is 27.5″ tall and 8.9″ wide, and fits a 16″ wheel. In inches it is written 27.5×8.9R16.

Diameter27.52″
Width8.86″
Sidewall5.76″
225/65R16 drawn to scale: 27.52 inch diameter, 5.76 inch sidewall, 16 inch wheel, 8.86 inch tread width16″ wheel5.76″27.52″ overall8.86″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 225/65R16 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 26.6–26.7″ under load (below).

Real 225/65R16 tires measure 27.40–27.50″, against 27.52″ from the size code. They run both taller and shorter than the size code.

  1. General AltiMAX Arctic X27.50″ −0.02″
  2. General AltiMAX RT45 · 227.50″ −0.02″
  3. General AltiMAX365 AW27.50″ −0.02″
  4. BFGoodrich Advantage Control27.48″ −0.04″
  5. Michelin X-Ice Snow27.48″ −0.04″
  6. Toyo Extensa A/S II27.48″ −0.04″
  7. Michelin Defender227.40″ −0.12″
Each bar runs from the size code's 27.52″ (the orange line) to the model's published height. The track spans 1.0″. Where a model comes in several load ranges, the darker part shows its range of heights; the number after the name is how many versions it comes in.
Height under load26.6–26.7″

Published revs per mile (755–757) mean the tire rolls like a 26.6–26.7″ tire on the vehicle. Use this for speedometer calibration.

Weight spread22.7–27.8 lb

The lightest (General AltiMAX RT45, SL) is 5.1 lb lighter per corner than the heaviest (Toyo Extensa A/S II, SL).

8 tires in 225/65R16

Sort by the spec you care about.

LoadRevs/miSource
General AltiMAX RT45TouringSL · 100T27.5022.711.01,764755Spec page
General AltiMAX RT45TouringSL · 100H27.5022.711.01,764755Spec page
General AltiMAX365 AWTouringSL · 100H27.5023.711.01,764755Spec page
Michelin X-Ice SnowWinterSL · 100T27.4826.210.51,764757Spec page
Michelin Defender2All-seasonSL · 100H27.4026.510.51,764757Spec page
BFGoodrich Advantage ControlAll-seasonSL · 100H27.4826.711.51,764757Spec page
General AltiMAX Arctic XWinterXL · 104T27.5027.412.01,984755Spec page
Toyo Extensa A/S IIAll-seasonSL · 100T27.4827.811.51,764756Spec page

Is 225/65R16 a 27-inch tire?

≈27″

Close. The size code works out to 27.52″, and the 8 tires here publish 27.40–27.50″, so people call it a 27.

All 27-inch tire sizes, on every wheel size.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 225/65R16Difference
225/60R1626.63-0.89″-3.2%
215/65R1627.00-0.51″-1.9%
235/60R1627.10-0.41″-1.5%
205/70R1627.30-0.22″-0.8%
225/70R1527.40-0.11″-0.4%
195/75R1627.520.00″0.0%
225/60R1727.63+0.11″+0.4%
215/70R1627.85+0.33″+1.2%
235/65R1628.03+0.51″+1.9%
205/75R1628.11+0.59″+2.1%

How to read 225/65R16

How to read any tire size

225/65R16 100H as printed on the tire sidewall, with each part numbered225/65R16 100H123456
How 225/65R16 100H is printed on the sidewall. It's the most common code among the 8 tires here (4 of them); tires in this size come in other load and speed ratings too.
1225Section width

225 mm across the widest point, or 8.86 inches. Every 225 size

265Aspect ratio

A percentage, not a measurement: the sidewall is 65% as tall as the tire is wide, which is 146.3 mm or 5.76 inches.

3RConstruction

Radial construction.

416Wheel diameter

Mounts on a 16-inch wheel. Approved wheel widths run 6.0″ to 8.0″.

5100Load index

Each tire carries up to 1,764 lb (800 kg) at its maximum pressure.

6HSpeed rating

Rated for up to 130 mph sustained.

SpecificationInchesMetric
Overall diameter27.52699 mm
Section width8.86225 mm
Sidewall height5.76146.3 mm
Circumference86.42,196 mm
Revolutions per mile (calculated, unloaded)733.0455 per km
Revolutions per mile (published by manufacturers)755–757469–470 per km
Approved wheel width6.0–8.0152–203 mm

Speedometer error after switching to 225/65R16

Your actual speed– mph

Questions about 225/65R16

What is 225/65R16 in inches?

27.52 inches tall, 8.86 inches wide, on a 16-inch wheel. Written in inches, that is roughly 27.5×8.9R16.

How much does a 225/65R16 tire weigh?

Between 22.7 lb and 27.8 lb for the 8 tires listed here. The lightest is the General AltiMAX RT45 (SL); the heaviest is the Toyo Extensa A/S II (SL).

What wheel width do I need for 225/65R16?

Manufacturers approve 6.0–8.0″ wide wheels for this size.

How many revolutions per mile does a 225/65R16 make?

Published figures run 755–757 revolutions per mile. The calculated figure is 733.0, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 225/65R16 than 205/70R16?

0.22 inches taller on paper (27.52″ vs 27.30″), which raises the axle about 0.11″. Your speedometer will read about 0.8% slow.