195/75R14 vs 215/70R14

215/70R14 is 0.33 in (8.5 mm) taller than 195/75R14, a +1.31% diameter difference. With the speedometer set for 195/75R14, an indicated 60 mph is 60.8 mph on 215/70R14.

Is this a safe swap?

Diameter difference +1.31%: within the ±3% guideline

By overall diameter alone, 215/70R14 falls inside the ±3% range commonly used as a guideline when replacing 195/75R14. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.

Side profile and tread width, drawn to the same scale.

195/75R14 vs 215/70R14 differences
Measurement	195/75R14	215/70R14	Difference	% diff
Overall diameter	25.52 in (648.1 mm)	25.85 in (656.6 mm)	+0.33 in (+8.5 mm)	+1.31%
Sidewall height	5.76 in (146.3 mm)	5.93 in (150.5 mm)	+0.17 in (+4.3 mm)	+2.91%
Section width	7.68 in (195.0 mm)	8.46 in (215.0 mm)	+0.79 in (+20.0 mm)	+10.26%
Circumference	80.16 in (2,036.1 mm)	81.21 in (2,062.8 mm)	+1.05 in (+26.7 mm)	+1.31%
Revolutions per mile	790	780	−10	−1.29%

True speed with the speedometer calibrated for 195/75R14
Indicated	Actual on 195/75R14	Actual on 215/70R14	Difference
30 mph	30.0 mph	30.4 mph	+0.4 mph
60 mph	60.0 mph	60.8 mph	+0.8 mph
75 mph	75.0 mph	76.0 mph	+1.0 mph

Ride-height change: 215/70R14 raises the vehicle by 0.17 in (4.3 mm) at the axle (half the +8.5 mm diameter difference).

215/70R14 is 0.33 in taller than 195/75R14 and 20 mm wider, a 1.31% difference in overall diameter.

With the speedometer calibrated for 195/75R14, an indicated 60 mph is actually 60.8 mph on 215/70R14, and revolutions per mile change from 790 to 780.

Both sizes mount on 14-inch wheels.

Size pages

Other comparisons with 195/75R14

Other comparisons with 215/70R14

Source: Calculated from standard tire geometry formulas. Verified 2026-09-27. How these numbers are calculated.