Tire Size Box

205/60R14 vs 225/60R14

225/60R14 compared with 205/60R14

+4.0% diameter, +0.8" width

225/60R14 is 24.63" tall vs 23.69". More than the 3% rule of thumb, so check carefully before switching.

23.7"14" rim4.8"8.1" wide
205/60R14 (solid) compared with 225/60R14 (dashed outline), drawn to scale

With 225/60R14 tires, when your speedometer says 60 mph you are really going

62.4 mph

225/60R14 is +0.94 inches (+4.0%) in overall diameter. That is more than the 3% most shops and makers recommend.

205/60R14225/60R14Difference%
Overall diameter23.69"24.63"+0.94"+4.0%
Section width8.07"8.86"+0.79"+9.8%
Sidewall height4.84"5.31"+0.47"+9.8%
Circumference74.41"77.38"+2.97"+4.0%
Revolutions per mile851.5818.8−32.7−3.8%

Speedometer difference

If your vehicle came with 205/60R14 and you fit 225/60R14, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph20.8 mph+0.8 mph
30 mph31.2 mph+1.2 mph
40 mph41.6 mph+1.6 mph
50 mph52.0 mph+2.0 mph
60 mph62.4 mph+2.4 mph
65 mph67.6 mph+2.6 mph
70 mph72.8 mph+2.8 mph
75 mph78.0 mph+3.0 mph
80 mph83.2 mph+3.2 mph

Each size on its own

Questions

Which is bigger, 205/60R14 or 225/60R14?
225/60R14 is taller by 0.94 inches (24.63" vs 23.69"). 225/60R14 is wider by 0.79 inches.
Can I replace 205/60R14 with 225/60R14?
It is not recommended without checking carefully. The diameter difference is +4.0%, more than the 3% most shops and makers allow. It will throw off the speedometer and may affect ABS, stability control and clearance.
How much will 225/60R14 change my speedometer?
When your speedometer reads 60 mph with 225/60R14 fitted (calibrated for 205/60R14), your real speed is 62.4 mph. Your odometer will under-count miles by about 4.0%.
Will 225/60R14 lift my vehicle?
Ride height changes by half the diameter difference: +0.47 inches of ground clearance at the axle.

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