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225/50R17 tire size

225/50R17 is a metric size: 25.9" tall, 8.9" wide, on a 17" rim — about a 26x9.00R17. The sidewall is 4.4" and the tire turns 780 times per mile.

Diameter 25.9" sidewall 4.43" 17" rim width 225 mm (8.9")
225/50R17: 225 mm wide, sidewall 50% of the width (4.43"), on a 17" rim → 25.86" tall.

225/50R17 specs

Overall diameter (height)25.86" · 657 mm
Section width8.86" · 225 mm
Sidewall height4.43" · 113 mm (50% of width)
Rim diameter17"
Circumference81.24" · 2.063 m
Revolutions per mile780 (485 per km)
Inch (flotation) equivalent26x9.00R17

Equivalent sizes on a 17" rim

Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.

SizeDiameterDifferenceWidthSpeedo at 60
225/45R17 common24.97"-3.43%0 mm57.9 mphcompare →
225/55R17 common26.74"+3.43%0 mm62.1 mphcompare →
215/45R17 common24.62"-4.80%-10 mm57.1 mphcompare →
205/50R17 common25.07"-3.05%-20 mm58.2 mphcompare →
215/55R17 common26.31"+1.75%-10 mm61.1 mphcompare →
215/50R17 common25.46"-1.52%-10 mm59.1 mphcompare →
235/45R17 common25.33"-2.06%+10 mm58.8 mphcompare →
245/45R17 common25.68"-0.69%+20 mm59.6 mphcompare →
245/40R17 common24.72"-4.42%+20 mm57.4 mphcompare →
235/50R17 common26.25"+1.52%+10 mm60.9 mphcompare →
255/40R17 common25.03"-3.20%+30 mm58.1 mphcompare →
205/55R1725.88"+0.08%-20 mm60.0 mphcompare →
275/40R1725.66"-0.76%+50 mm59.5 mphcompare →
245/50R1726.65"+3.05%+20 mm61.8 mphcompare →
255/45R1726.04"+0.69%+30 mm60.4 mphcompare →
315/35R1725.68"-0.69%+90 mm59.6 mphcompare →
335/35R1726.23"+1.45%+110 mm60.9 mphcalculate →
275/35R1724.58"-4.95%+50 mm57.0 mphcalculate →
285/40R1725.98"+0.46%+60 mm60.3 mphcalculate →
155/70R1725.54"-1.22%-70 mm59.3 mphcalculate →
195/60R1726.21"+1.37%-30 mm60.8 mphcalculate →
265/40R1725.35"-1.98%+40 mm58.8 mphcalculate →
255/50R1727.04"+4.57%+30 mm62.7 mphcalculate →
175/65R1725.96"+0.38%-50 mm60.2 mphcalculate →
145/80R1726.13"+1.07%-80 mm60.6 mphcalculate →
295/35R1725.13"-2.82%+70 mm58.3 mphcalculate →
155/80R1726.76"+3.50%-70 mm62.1 mphcalculate →
185/60R1725.74"-0.46%-40 mm59.7 mphcalculate →
26x6.00R1726.00"+0.55%-73 mm60.3 mphcalculate →
145/70R1724.99"-3.35%-80 mm58.0 mphcalculate →
165/70R1726.09"+0.91%-60 mm60.5 mphcalculate →
295/40R1726.29"+1.67%+70 mm61.0 mphcalculate →
205/60R1726.69"+3.20%-20 mm61.9 mphcalculate →

Plus / minus sizing: 16" and 18" rims

Same overall height on a different rim. Check wheel width and clearance before switching.

SizeDiameterDifferenceWidthSpeedo at 60
225/45R18 common25.97"+0.44%0 mm60.3 mphcompare →
245/40R18 common25.72"-0.55%+20 mm59.7 mphcompare →
205/60R16 common25.69"-0.67%-20 mm59.6 mphcompare →
255/40R18 common26.03"+0.67%+30 mm60.4 mphcompare →
215/45R18 common25.62"-0.93%-10 mm59.4 mphcompare →
225/55R1625.74"-0.44%0 mm59.7 mphcompare →
285/35R1825.85"-0.02%+60 mm60.0 mphcompare →
335/30R1825.91"+0.21%+110 mm60.1 mphcompare →
245/50R1625.65"-0.82%+20 mm59.5 mphcompare →
255/50R1626.04"+0.70%+30 mm60.4 mphcalculate →
275/45R1625.74"-0.44%+50 mm59.7 mphcalculate →
195/65R1625.98"+0.47%-30 mm60.3 mphcalculate →
145/70R1825.99"+0.52%-80 mm60.3 mphcalculate →
26x12.00R1826.00"+0.55%+80 mm60.3 mphcalculate →
26x6.00R1826.00"+0.55%-73 mm60.3 mphcalculate →
26x8.00R1826.00"+0.55%-22 mm60.3 mphcalculate →
315/40R1625.92"+0.24%+90 mm60.1 mphcalculate →
26x11.50R1626.00"+0.55%+67 mm60.3 mphcalculate →

Try another size against 225/50R17

Questions

What size is 225/50R17 in inches?

225/50R17 is about 25.9" tall and 8.9" wide on a 17-inch rim — roughly a 26x9.00R17 in inch sizing.

What does 225/50R17 mean?

225 mm section width, sidewall 50% of the width (4.43"), radial construction, 17-inch rim.

What tire sizes are equivalent to 225/50R17?

On the same 17" rim, within 3% of the diameter: 205/55R17 (+0.08%), 175/65R17 (+0.38%), 185/60R17 (-0.46%), 285/40R17 (+0.46%), 26x6.00R17 (+0.55%), 245/45R17 (-0.69%).

How many revolutions per mile does a 225/50R17 tire make?

About 780 revolutions per mile (circumference 81.2").

How these numbers are computed

Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.