Tire Size Box

245/50R16 vs 245/60R16

245/60R16 compared with 245/50R16

+7.5% diameter, 0.0" width

245/60R16 is 27.57" tall vs 25.65". More than the 3% rule of thumb, so check carefully before switching.

25.6"16" rim4.8"9.6" wide
245/50R16 (solid) compared with 245/60R16 (dashed outline), drawn to scale

With 245/60R16 tires, when your speedometer says 60 mph you are really going

64.5 mph

245/60R16 is +1.93 inches (+7.5%) in overall diameter. That is more than the 3% most shops and makers recommend.

245/50R16245/60R16Difference%
Overall diameter25.65"27.57"+1.93"+7.5%
Section width9.65"9.65"0.00"0.0%
Sidewall height4.82"5.79"+0.96"+20.0%
Circumference80.57"86.63"+6.06"+7.5%
Revolutions per mile786.4731.4−55.0−7.0%

Speedometer difference

If your vehicle came with 245/50R16 and you fit 245/60R16, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph21.5 mph+1.5 mph
30 mph32.3 mph+2.3 mph
40 mph43.0 mph+3.0 mph
50 mph53.8 mph+3.8 mph
60 mph64.5 mph+4.5 mph
65 mph69.9 mph+4.9 mph
70 mph75.3 mph+5.3 mph
75 mph80.6 mph+5.6 mph
80 mph86.0 mph+6.0 mph

Each size on its own

Questions

Which is bigger, 245/50R16 or 245/60R16?
245/60R16 is taller by 1.93 inches (27.57" vs 25.65"). 245/50R16 is the same width.
Can I replace 245/50R16 with 245/60R16?
It is not recommended without checking carefully. The diameter difference is +7.5%, 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 245/60R16 change my speedometer?
When your speedometer reads 60 mph with 245/60R16 fitted (calibrated for 245/50R16), your real speed is 64.5 mph. Your odometer will under-count miles by about 7.5%.
Will 245/60R16 lift my vehicle?
Ride height changes by half the diameter difference: +0.96 inches of ground clearance at the axle.

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