245/75R16 Tire Size in Inches and Millimeters
Complete dimensional breakdown in inches and millimeters, approved wheel rim widths, vehicle fitments, speedometer error tables, and safe plus-sizing alternatives.
245/75R16 in Inches
245/75R16 converts to 30.47 inches tall and 9.65 inches wide, on a16 inch wheel. The sidewall accounts for 7.23 inches of that height, top and bottom.
- Overall height
- 30.47" (773.9 mm)
- Tread width
- 9.65" (245 mm)
- Sidewall height
- 7.23" (183.6 mm)
- Wheel diameter
- 16" (406.4 mm)
This size is also written 245/75/16 and 245-75-16. All three refer to the same tire: 245 mm wide, a sidewall 75% of that width, on a 16 inch rim.
245/75R16 Technical Dimension Table
Standardized measurements computed according to ETRTO & ISO 4000-1 passenger and commercial tire design formulas.
| Specification Property | Imperial (Inches / Miles) | Metric (Millimeters / Kilometers) |
|---|---|---|
| Overall Rolling Diameter | 30.47 in | 773.9 mm |
| Section Width (Cross-section) | 9.65 in | 245 mm |
| Sidewall Cushion Height | 7.23 in | 183.6 mm |
| Circumference (Rolling Distance) | 95.72 in | 2431.3 mm |
| Revolutions per Distance | 682 revs/mile | 424 revs/km |
| Wheel Rim Diameter | 16 in | 406.4 mm |
| Approved Rim Width Range | 6.6" – 8.6" | 168 – 218 mm |
| Measuring / Ideal Rim Width | 7.6 in | 193 mm |
| Aspect Ratio (Profile %) | 75% of section width | |
What 245/75R16 Is Typically Used For
Dimensions in this range are typical of pickups, SUVs and off-road fitments, where load capacity and sidewall strength matter more than steering response.
To find the size your specific vehicle takes, check the placard on the driver-side door jamb or your owner's manual. Fitment depends on model year, trim, brake caliper clearance, wheel offset and suspension setup, so the correct size for your car is the one the manufacturer specifies.
Safe Alternative Sizes for 245/75R16 (±3% Rule)
These tire sizes stay within 3% of the 30.47" original diameter, keeping speedometer error minimal and preventing ABS/traction control faults.
Frequently Asked Questions about 245/75R16
What size is 245/75R16 in inches?
The 245/75R16 tire measures approximately 30.47" in overall diameter, 9.65" in section width (tread/sidewall cross-section), and is mounted on a 16" diameter wheel rim. The same size is often written 245/75/16 or 245-75-16.
What rim width is recommended for 245/75R16?
The approved rim width range for 245/75R16 is 6.6" to 8.6" wide, with an ideal measuring rim width of 7.6" for optimal tread contact and even wear.
What are the closest safe alternative sizes for 245/75R16?
The closest safe tire sizes within the industry standard ±3% diameter limit include 285/60R17, 245/70R17. These sizes maintain accurate speedometer calibration and clearance.
How many revolutions per mile does 245/75R16 make?
A standard 245/75R16 tire rotates approximately 682 revolutions per mile (424 revs per kilometer) at normal inflation pressure and rolling radius.