TireSizesFinder

27x8.50R14 vs 215/65R16

215/65R16 is 0.00 in (0.1 mm) taller than 27x8.50R14, a +0.01% diameter difference. With the speedometer set for 27x8.50R14, an indicated 60 mph is 60.0 mph on 215/65R16.

Is this a safe swap?

Diameter difference +0.01%: under 1%

By overall diameter alone, 215/65R16 is a near match for 27x8.50R14; 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: 27x8.50R14 (27.00 in) vs 215/65R16 (27.00 in)27x8.50R1427.00 in × 8.50 in215/65R1627.00 in × 8.46 in
Side profile and tread width, drawn to the same scale.
27x8.50R14 vs 215/65R16 differences
Measurement27x8.50R14215/65R16Difference% diff
Overall diameter27.00 in (685.8 mm)27.00 in (685.9 mm)0.00 in (+0.1 mm)+0.01%
Sidewall height6.50 in (165.1 mm)5.50 in (139.8 mm)−1.00 in (−25.3 mm)−15.35%
Section width8.50 in (215.9 mm)8.46 in (215.0 mm)−0.04 in (−0.9 mm)−0.42%
Circumference84.82 in (2,154.5 mm)84.84 in (2,154.8 mm)+0.01 in (+0.3 mm)+0.01%
Revolutions per mile7477470−0.01%
True speed with the speedometer calibrated for 27x8.50R14
IndicatedActual on 27x8.50R14Actual on 215/65R16Difference
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: 215/65R16 raises the vehicle by 0.00 in (0.1 mm) at the axle (half the +0.1 mm diameter difference).

215/65R16 is the same height as 27x8.50R14 and 1 mm narrower, a 0.01% difference in overall diameter.

With the speedometer calibrated for 27x8.50R14, an indicated 60 mph is actually 60.0 mph on 215/65R16, and revolutions per mile change from 747 to 747.

215/65R16 mounts on a 16-inch wheel, a plus-2 fitment from the 14-inch wheel of 27x8.50R14.

Size pages

Other comparisons with 27x8.50R14

Other comparisons with 215/65R16

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