245/60R16 vs 215/70R16

215/70R16 is 0.28 in (7.0 mm) taller than 245/60R16, a +1.00% diameter difference. With the speedometer set for 245/60R16, an indicated 60 mph is 60.6 mph on 215/70R16.

Is this a safe swap?

Diameter difference +1.00%: under 1%

By overall diameter alone, 215/70R16 is a near match for 245/60R16; the speedometer changes by less than 1%. 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.

245/60R16 vs 215/70R16 differences
Measurement	245/60R16	215/70R16	Difference	% diff
Overall diameter	27.57 in (700.4 mm)	27.85 in (707.4 mm)	+0.28 in (+7.0 mm)	+1.00%
Sidewall height	5.79 in (147.0 mm)	5.93 in (150.5 mm)	+0.14 in (+3.5 mm)	+2.38%
Section width	9.65 in (245.0 mm)	8.46 in (215.0 mm)	−1.18 in (−30.0 mm)	−12.24%
Circumference	86.63 in (2,200.4 mm)	87.49 in (2,222.4 mm)	+0.87 in (+22.0 mm)	+1.00%
Revolutions per mile	731	724	−7	−0.99%

True speed with the speedometer calibrated for 245/60R16
Indicated	Actual on 245/60R16	Actual on 215/70R16	Difference
30 mph	30.0 mph	30.3 mph	+0.3 mph
60 mph	60.0 mph	60.6 mph	+0.6 mph
75 mph	75.0 mph	75.7 mph	+0.7 mph

Ride-height change: 215/70R16 raises the vehicle by 0.14 in (3.5 mm) at the axle (half the +7.0 mm diameter difference).

215/70R16 is 0.28 in taller than 245/60R16 and 30 mm narrower, a 1.00% difference in overall diameter.

With the speedometer calibrated for 245/60R16, an indicated 60 mph is actually 60.6 mph on 215/70R16, and revolutions per mile change from 731 to 724.

Both sizes mount on 16-inch wheels.

Size pages

Other comparisons with 245/60R16

Other comparisons with 215/70R16

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