CarSpecsHQ

225/60R16 vs 215/70R15

215/70R15 is a safe swap for 225/60R16 by the usual ±3% rule: the diameter differs by +0.83%.

16" → 15"
225/60R16 26.63" · 215/70R15 26.85" · drawn to scale

Side by side

225/60R16215/70R15Difference
Overall diameter26.63"26.85"+0.22" (+0.83%)
Section width225 mm215 mm-10 mm
Sidewall5.31"5.93"+0.61"
Rim16"15"-1"
Circumference83.7"84.4"+0.7"
Revs per mile757751-6
Ride height——+0.11"
Speedometer reads 60 mph60.060.5+0.5 mph

Speedometer and odometer

020406080100120 reads 60 · actual 60.5 mph

With 215/70R15 on a car calibrated for 225/60R16, the speedometer reads 59.5 mph when you're really doing 60, and the odometer under-counts by 0.8%.

Speedo showsActual speed
30 mph30.2 mph
45 mph45.4 mph
60 mph60.5 mph
70 mph70.6 mph
80 mph80.7 mph

Other sizes close to 225/60R16

Questions

Can I replace 225/60R16 with 215/70R15?

215/70R15 is a safe swap for 225/60R16 by the usual ±3% rule: the diameter differs by +0.83%.

What's the difference between 225/60R16 and 215/70R15?

215/70R15 is 0.22" taller and 10 mm narrower; the sidewall is +0.61". At an indicated 60 mph you'd actually be doing 60.5 mph.

Will 215/70R15 fit on 225/60R16 wheels?

No — 225/60R16 needs a 16" wheel and 215/70R15 a 15" wheel. This is a plus/minus-size swap that changes wheels too.