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245/70R16 tire size in inches
245/70R16 is 29.50" tall and 9.65" wide, and fits a 16" rim. In flotation (inch) sizing that is roughly 29.5x9.6R16.
245/70R16 dimensions
| Measurement | Inches | Metric |
|---|---|---|
| Overall diameter (height) | 29.50" | 749 mm |
| Section width | 9.65" | 245 mm |
| Sidewall height | 6.75" | 171.5 mm |
| Rim diameter | 16" | 406.4 mm |
| Circumference | 92.7" | 2354 mm |
| Revolutions per mile | 684 | |
| Aspect ratio | 70% (sidewall is 70% of the width) | |
Drawn to scale
Among the 102 sizes for 16" wheels on this site, 245/70R16 is #39 by height (shortest: 205/50R16, tallest: 385/75R16).
What people compare 245/70R16 with
Real comparisons drivers search for, worked out against 245/70R16:
| Compared size | Height | Width | Sidewall | Speedo at true 60 |
|---|---|---|---|---|
| 245/75R16 | +0.97" (+3.29%) | 0.00" | +0.48" | 58.1 mph |
| 265/70R16 | +1.11" (+3.76%) | +0.78" | +0.55" | 57.8 mph |
| 235/70R16 | -0.55" (-1.86%) | -0.40" | -0.27" | 61.1 mph |
| 235/75R16 | +0.38" (+1.29%) | -0.40" | +0.19" | 59.2 mph |
| 225/75R16 | -0.21" (-0.71%) | -0.79" | -0.11" | 60.4 mph |
| 265/75R16 | +2.15" (+7.29%) | +0.78" | +1.07" | 55.9 mph |
| 255/70R16 | +0.56" (+1.9%) | +0.39" | +0.28" | 58.9 mph |
How the 245/70R16 numbers are worked out
The size code reads as 245 mm section width, 70% aspect ratio, R for radial construction and 16-inch wheel.
- Sidewall = 245 × 70% = 171.5 mm = 6.75"
- Diameter = 16" + 2 × 6.75" = 29.50"
- Circumference = π × 29.50" = 92.7"
- Revs per mile = 63,360" ÷ 92.7" = 684
Sizes that can replace 245/70R16 on a 16" wheel
Within 3% of 29.50". Last column: speedometer reading at a true 60 mph.
| Size | Diameter | Width | Difference | Speedo at true 60 mph |
|---|---|---|---|---|
| 285/60R16 | 29.46" | 11.22" | -0.14% | 60.1 mph |
| 215/80R16 | 29.54" | 8.46" | +0.14% | 59.9 mph |
| 265/65R16 | 29.56" | 10.43" | +0.2% | 59.9 mph |
| 315/55R16 | 29.64" | 12.40" | +0.47% | 59.7 mph |
| 225/75R16 | 29.29" | 8.86" | -0.71% | 60.4 mph |
| 205/85R16 | 29.72" | 8.07" | +0.75% | 59.6 mph |
| 305/55R16 | 29.21" | 12.01" | -0.98% | 60.6 mph |
| 235/75R16 | 29.88" | 9.25" | +1.29% | 59.2 mph |
| 255/65R16 | 29.05" | 10.04" | -1.53% | 60.9 mph |
| 275/60R16 | 28.99" | 10.83" | -1.73% | 61.1 mph |
| 235/70R16 | 28.95" | 9.25" | -1.86% | 61.1 mph |
| 255/70R16 | 30.06" | 10.04" | +1.9% | 58.9 mph |
One size wider or narrower
Same height on a different wheel size
- 255/80R14 14" (+1.9%)
- 245/75R15 15" (-0.1%)
- 285/65R15 15" (+0.31%)
- 305/60R15 15" (-0.31%)
- 265/70R15 15" (+0.37%)
- 235/80R15 15" (+1.02%)
- 225/80R15 15" (-1.12%)
- 315/60R15 15" (+1.29%)
- 275/65R15 15" (-1.46%)
- 255/70R15 15" (-1.49%)
Questions about 245/70R16
How tall is a 245/70R16 tire in inches?
A 245/70R16 tire is 29.50 inches (749 mm) tall: the 16-inch rim plus two sidewalls of 6.75 inches each.
Is 245/70R16 a 30 inch tire?
Yes. At 29.50 inches tall it is commonly called a 30-inch tire.
How many revolutions per mile does a 245/70R16 make?
About 684 revolutions per mile, based on a calculated circumference of 92.7 inches.
What size can replace 245/70R16?
285/60R16 is the closest match on a 16" rim (-0.14% height). Check load index, speed rating and clearance first.
Compare 245/70R16 against any other size with the tire size calculator.