TireSizesFinder

33x12.50R16 vs 295/70R17

295/70R17 is 0.26 in (6.6 mm) taller than 33x12.50R16, a +0.79% diameter difference. With the speedometer set for 33x12.50R16, an indicated 60 mph is 60.5 mph on 295/70R17.

Is this a safe swap?

Diameter difference +0.79%: under 1%

By overall diameter alone, 295/70R17 is a near match for 33x12.50R16; 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: 33x12.50R16 (33.00 in) vs 295/70R17 (33.26 in)33x12.50R1633.00 in × 12.50 in295/70R1733.26 in × 11.61 in
Side profile and tread width, drawn to the same scale.
33x12.50R16 vs 295/70R17 differences
Measurement33x12.50R16295/70R17Difference% diff
Overall diameter33.00 in (838.2 mm)33.26 in (844.8 mm)+0.26 in (+6.6 mm)+0.79%
Sidewall height8.50 in (215.9 mm)8.13 in (206.5 mm)−0.37 in (−9.4 mm)−4.35%
Section width12.50 in (317.5 mm)11.61 in (295.0 mm)−0.89 in (−22.5 mm)−7.09%
Circumference103.67 in (2,633.3 mm)104.49 in (2,654.0 mm)+0.82 in (+20.7 mm)+0.79%
Revolutions per mile611606−5−0.78%
True speed with the speedometer calibrated for 33x12.50R16
IndicatedActual on 33x12.50R16Actual on 295/70R17Difference
30 mph30.0 mph30.2 mph+0.2 mph
60 mph60.0 mph60.5 mph+0.5 mph
75 mph75.0 mph75.6 mph+0.6 mph

Ride-height change: 295/70R17 raises the vehicle by 0.13 in (3.3 mm) at the axle (half the +6.6 mm diameter difference).

295/70R17 is 0.26 in taller than 33x12.50R16 and 23 mm narrower, a 0.79% difference in overall diameter.

With the speedometer calibrated for 33x12.50R16, an indicated 60 mph is actually 60.5 mph on 295/70R17, and revolutions per mile change from 611 to 606.

295/70R17 mounts on a 17-inch wheel, a plus-1 fitment from the 16-inch wheel of 33x12.50R16.

Size pages

Other comparisons with 33x12.50R16

Other comparisons with 295/70R17

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