275/50R15 vs 275/60R15

275/60R15 is 2.2" taller than 275/50R15 (8.4%)

Diameter difference+8.38%diameter 25.83" → 27.99"
275/50R15275/60R15
275/50R15275/60R15Difference
Overall diameter25.83"27.99"+2.17"
Section width10.83"10.83"±0.00"
Sidewall height5.41"6.50"+1.08"
Circumference81.1"87.9"+6.8"
Revolutions per mile781720−60
Wheel diameter15"15"±0"

Speedometer

ShowsActualDiff
30 mph32.5 mph+2.5
45 mph48.8 mph+3.8
60 mph65.0 mph+5.0
70 mph75.9 mph+5.9
80 mph86.7 mph+6.7

Gear ratio to match

CurrentEquivalent
3.423.71
3.553.85
3.734.04
4.104.44

275/60R15 is 2.17" taller than 275/50R15, a +8.38% change in diameter. That is more than the 3% many tire shops use as a limit, so plan on recalibrating the speedometer and checking ABS and stability control.

Ground clearance changes by 1.08" (half the diameter change), and the tire needs 1.08" more room above it.

Both tires are the same width, 10.83".

Both fit a 15" wheel; the sidewall is 1.08" taller on 275/60R15.

Details: 275/50R15 in inches · 275/60R15 in inches · change sizes in the calculator

FAQ

What is the difference between 275/50R15 and 275/60R15?

275/60R15 is 2.17" taller (+8.38%) and 0.00" wider than 275/50R15.

Will 275/60R15 change my speedometer?

Yes, by +8.38%. When the speedometer shows 60 mph you would be going 65.0 mph.

Can I replace 275/50R15 with 275/60R15?

It is a +8.4% diameter change, larger than the common 3% guideline, so check clearance and plan to recalibrate.