245/70R16 tire size

A 245/70R16 tire is 245 mm wide with a sidewall 70% of its width (171.5 mm), fits a 16-inch rim and has an overall diameter of 749 mm (29.5 in).

DimensionMetricImperial
Section width245 mm9.65 in
Sidewall height171.5 mm6.75 in
Rim diameter406.4 mm16 in
Overall diameter749.4 mm29.50 in
Circumference2,354.3 mm92.69 in
Revolutions425 per km684 per mile

Reading the size 245/70R16

245Width in mm70Aspect ratio (sidewall % of width)RRadial construction16Rim diameter in inches

The load index and speed rating (for example 91V) follow the size on the sidewall. Replacement tires should match or exceed the original load index and speed rating.

Alternative sizes within 3% of 245/70R16

A replacement size should stay within about 3% of the original diameter so the speedometer, ABS and transmission stay accurate. Always check clearance, load index and the vehicle manufacturer's approved sizes.

SizeDiameterDifferenceSpeedo reads 100 → actual
245/65R17750 mm+0.1%100.1Compare
245/60R18751 mm+0.2%100.2Compare
245/50R20753 mm+0.5%100.5Compare
275/45R20756 mm+0.8%100.8Compare
235/55R19741 mm-1.1%98.9Compare
235/60R18739 mm-1.4%98.6Compare
255/55R18738 mm-1.6%98.4
255/50R19738 mm-1.6%98.4

Compare 245/70R16 with any size →

Other 16-inch sizes