CarSpecsHQ

225/60R16 vs 245/50R17

245/50R17 is a safe swap for 225/60R16 by the usual ±3% rule: the diameter differs by +0.06%.

16" → 17"
225/60R16 26.63" · 245/50R17 26.65" · drawn to scale

Side by side

225/60R16245/50R17Difference
Overall diameter26.63"26.65"+0.02" (+0.06%)
Section width225 mm245 mm+20 mm
Sidewall5.31"4.82"-0.49"
Rim16"17"+1"
Circumference83.7"83.7"+0.0"
Revs per mile757757-0
Ride height——+0.01"
Speedometer reads 60 mph60.060.0+0.0 mph

Speedometer and odometer

020406080100120 reads 60 · actual 60.0 mph

With 245/50R17 on a car calibrated for 225/60R16, the speedometer reads 60.0 mph when you're really doing 60, and the odometer under-counts by 0.1%.

Speedo showsActual speed
30 mph30.0 mph
45 mph45.0 mph
60 mph60.0 mph
70 mph70.0 mph
80 mph80.0 mph

Other sizes close to 225/60R16

Questions

Can I replace 225/60R16 with 245/50R17?

245/50R17 is a safe swap for 225/60R16 by the usual ±3% rule: the diameter differs by +0.06%.

What's the difference between 225/60R16 and 245/50R17?

245/50R17 is 0.02" taller and 20 mm wider; the sidewall is -0.49". At an indicated 60 mph you'd actually be doing 60.0 mph.

Will 245/50R17 fit on 225/60R16 wheels?

No — 225/60R16 needs a 16" wheel and 245/50R17 a 17" wheel. This is a plus/minus-size swap that changes wheels too.