Tire Size Box

315/50R19 vs 315/60R19

315/60R19 compared with 315/50R19

+7.9% diameter, 0.0" width

315/60R19 is 33.88" tall vs 31.40". More than the 3% rule of thumb, so check carefully before switching.

31.4"19" rim6.2"12.4" wide
315/50R19 (solid) compared with 315/60R19 (dashed outline), drawn to scale

With 315/60R19 tires, when your speedometer says 60 mph you are really going

64.7 mph

315/60R19 is +2.48 inches (+7.9%) in overall diameter. That is more than the 3% most shops and makers recommend.

315/50R19315/60R19Difference%
Overall diameter31.40"33.88"+2.48"+7.9%
Section width12.40"12.40"0.00"0.0%
Sidewall height6.20"7.44"+1.24"+20.0%
Circumference98.65"106.44"+7.79"+7.9%
Revolutions per mile642.3595.2−47.0−7.3%

Speedometer difference

If your vehicle came with 315/50R19 and you fit 315/60R19, here is your real speed for each speedometer reading:

Speedometer showsActual speedDifference
20 mph21.6 mph+1.6 mph
30 mph32.4 mph+2.4 mph
40 mph43.2 mph+3.2 mph
50 mph53.9 mph+3.9 mph
60 mph64.7 mph+4.7 mph
65 mph70.1 mph+5.1 mph
70 mph75.5 mph+5.5 mph
75 mph80.9 mph+5.9 mph
80 mph86.3 mph+6.3 mph

Each size on its own

Questions

Which is bigger, 315/50R19 or 315/60R19?
315/60R19 is taller by 2.48 inches (33.88" vs 31.40"). 315/50R19 is the same width.
Can I replace 315/50R19 with 315/60R19?
It is not recommended without checking carefully. The diameter difference is +7.9%, 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 315/60R19 change my speedometer?
When your speedometer reads 60 mph with 315/60R19 fitted (calibrated for 315/50R19), your real speed is 64.7 mph. Your odometer will under-count miles by about 7.9%.
Will 315/60R19 lift my vehicle?
Ride height changes by half the diameter difference: +1.24 inches of ground clearance at the axle.

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