tireheight.com

225/50R16 in inches

A 225/50R16 tire is 24.9″ tall and 8.9″ wide, and fits a 16″ wheel. In inches it is written 24.9×8.9R16.

Diameter24.86″
Width8.86″
Sidewall4.43″
225/50R16 drawn to scale: 24.86 inch diameter, 4.43 inch sidewall, 16 inch wheel, 8.86 inch tread width16″ wheel4.43″24.86″ overall8.86″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 225/50R16 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 24.1–24.2″ under load (below).

Real 225/50R16 tires measure 24.80–25.00″, against 24.86″ from the size code. Most run taller than the size code (8 of 9).

  1. Michelin Pilot Sport All-Season 425.00″ +0.14″
  2. General G-MAX AS0724.90″ +0.04″
  3. General G-MAX RS24.90″ +0.04″
  4. Michelin Pilot Sport 424.90″ +0.04″
  5. Toyo Proxes RA124.90″ +0.04″
  6. Toyo Extensa HP II24.88″ +0.02″
  7. BFGoodrich g-Force COMP-2 A/S PLUS24.88″ +0.02″
  8. Toyo Proxes R24.88″ +0.02″
  9. Toyo Proxes R1R24.80″ −0.06″
Each bar runs from the size code's 24.86″ (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 load24.1–24.2″

Published revs per mile (832–838) mean the tire rolls like a 24.1–24.2″ tire on the vehicle. Use this for speedometer calibration.

Weight spread20.8–25.8 lb

The lightest (General G-MAX RS, SL) is 5.0 lb lighter per corner than the heaviest (BFGoodrich g-Force COMP-2 A/S PLUS, SL).

9 tires in 225/50R16

Sort by the spec you care about.

LoadRevs/miSource
General G-MAX RSPerformanceSL · 92W24.9020.810.01,389836Spec page
Michelin Pilot Sport 4PerformanceSL · 92(Y)24.9021.19.51,389836Spec page
Toyo Extensa HP IIPerformanceSL · 92V24.8821.79.31,389835Spec page
Toyo Proxes RPerformanceSL · 92W24.8821.83.61,389835Spec page
General G-MAX AS07PerformanceSL · 92W24.9022.710.01,389836Spec page
Michelin Pilot Sport All-Season 4PerformanceXL · 96Y25.0022.710.01,565832Spec page
Toyo Proxes R1RPerformanceSL · 92V24.8022.98.81,389838Spec page
Toyo Proxes RA1PerformanceSL24.9023.08.01,390835Spec page
BFGoodrich g-Force COMP-2 A/S PLUSPerformanceSL · 92W24.8825.89.01,389836Spec page

Is 225/50R16 a 25-inch tire?

≈25″

Yes. The size code works out to 24.86″, and the 9 tires here publish 24.80–25.00″, so people call it a 25.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 225/50R16Difference
185/55R1624.01-0.85″-3.4%
205/50R1624.07-0.79″-3.2%
195/55R1624.44-0.41″-1.7%
245/45R1624.68-0.18″-0.7%
185/60R1624.74-0.12″-0.5%
205/55R1624.88+0.02″+0.1%
195/60R1625.21+0.35″+1.4%
215/55R1625.31+0.45″+1.8%
245/50R1625.65+0.79″+3.2%
205/60R1625.69+0.83″+3.3%

How to read 225/50R16

How to read any tire size

225/50R16 92W as printed on the tire sidewall, with each part numbered225/50R16 92W123456
How 225/50R16 92W 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.
1225Section width

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

250Aspect ratio

A percentage, not a measurement: the sidewall is 50% as tall as the tire is wide, which is 112.5 mm or 4.43 inches.

3RConstruction

Radial construction.

416Wheel diameter

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

592Load index

Each tire carries up to 1,389 lb (630 kg) at its maximum pressure.

6WSpeed rating

Rated for up to 168 mph sustained.

SpecificationInchesMetric
Overall diameter24.86631 mm
Section width8.86225 mm
Sidewall height4.43112.5 mm
Circumference78.11,984 mm
Revolutions per mile (calculated, unloaded)811.3504 per km
Revolutions per mile (published by manufacturers)832–838517–521 per km
Approved wheel width6.0–8.0152–203 mm

Speedometer error after switching to 225/50R16

Your actual speed– mph

Questions about 225/50R16

What is 225/50R16 in inches?

24.86 inches tall, 8.86 inches wide, on a 16-inch wheel. Written in inches, that is roughly 24.9×8.9R16.

How much does a 225/50R16 tire weigh?

Between 20.8 lb and 25.8 lb for the 9 tires listed here. The lightest is the General G-MAX RS (SL); the heaviest is the BFGoodrich g-Force COMP-2 A/S PLUS (SL).

What wheel width do I need for 225/50R16?

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

How many revolutions per mile does a 225/50R16 make?

Published figures run 832–838 revolutions per mile. The calculated figure is 811.3, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 225/50R16 than 185/60R16?

0.12 inches taller on paper (24.86″ vs 24.74″), which raises the axle about 0.06″. Your speedometer will read about 0.5% slow.