31x10.50R15 vs 31x10.50R16

31x10.50R16 is 0.00 in (0.0 mm) taller than 31x10.50R15, a 0.00% diameter difference. With the speedometer set for 31x10.50R15, an indicated 60 mph is 60.0 mph on 31x10.50R16.

Is this a safe swap?

Diameter difference 0.00%: under 1%

By overall diameter alone, 31x10.50R16 is a near match for 31x10.50R15; the speedometer changes by less than 1%. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

To-scale drawing: 31x10.50R15 (31.00 in) vs 31x10.50R16 (31.00 in)31x10.50R1531.00 in × 10.50 in31x10.50R1631.00 in × 10.50 in
Side profile and tread width, drawn to the same scale.
31x10.50R15 vs 31x10.50R16 differences
Measurement31x10.50R1531x10.50R16Difference% diff
Overall diameter31.00 in (787.4 mm)31.00 in (787.4 mm)0.00 in (0.0 mm)0.00%
Sidewall height8.00 in (203.2 mm)7.50 in (190.5 mm)−0.50 in (−12.7 mm)−6.25%
Section width10.50 in (266.7 mm)10.50 in (266.7 mm)0.00 in (0.0 mm)0.00%
Circumference97.39 in (2,473.7 mm)97.39 in (2,473.7 mm)0.00 in (0.0 mm)0.00%
Revolutions per mile65165100.00%
True speed with the speedometer calibrated for 31x10.50R15
IndicatedActual on 31x10.50R15Actual on 31x10.50R16Difference
30 mph30.0 mph30.0 mph0.0 mph
60 mph60.0 mph60.0 mph0.0 mph
75 mph75.0 mph75.0 mph0.0 mph

Ride-height change: 31x10.50R16 does not change the vehicle at the axle (half the 0.0 mm diameter difference).

31x10.50R16 is the same height as 31x10.50R15 and the same width, a 0.00% difference in overall diameter.

With the speedometer calibrated for 31x10.50R15, an indicated 60 mph is actually 60.0 mph on 31x10.50R16, and revolutions per mile change from 651 to 651.

31x10.50R16 mounts on a 16-inch wheel, a plus-1 fitment from the 15-inch wheel of 31x10.50R15.

Size pages

Other comparisons with 31x10.50R15

Other comparisons with 31x10.50R16

Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.