245/70R16 tire size
245/70R16 is a metric size: 29.5" tall, 9.6" wide, on a 16" rim — about a 29.5x9.50R16. The sidewall is 6.8" and the tire turns 684 times per mile.
245/70R16 specs
| Overall diameter (height) | 29.50" · 749 mm |
|---|---|
| Section width | 9.65" · 245 mm |
| Sidewall height | 6.75" · 172 mm (70% of width) |
| Rim diameter | 16" |
| Circumference | 92.69" · 2.354 m |
| Revolutions per mile | 684 (425 per km) |
| Inch (flotation) equivalent | 29.5x9.50R16 |
Equivalent sizes on a 16" rim
Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 245/75R16 common | 30.47" | +3.27% | 0 mm | 62.0 mph | compare → |
| 225/75R16 common | 29.29" | -0.73% | -20 mm | 59.6 mph | compare → |
| 235/70R16 common | 28.95" | -1.87% | -10 mm | 58.9 mph | compare → |
| 265/70R16 common | 30.61" | +3.74% | +20 mm | 62.2 mph | compare → |
| 225/70R16 common | 28.40" | -3.74% | -20 mm | 57.8 mph | compare → |
| 255/70R16 common | 30.06" | +1.87% | +10 mm | 61.1 mph | compare → |
| 215/85R16 common | 30.39" | +3.00% | -30 mm | 61.8 mph | compare → |
| 235/75R16 | 29.88" | +1.27% | -10 mm | 60.8 mph | compare → |
| 255/65R16 | 29.05" | -1.53% | +10 mm | 59.1 mph | compare → |
| 205/75R16 | 28.11" | -4.74% | -40 mm | 57.2 mph | calculate → |
| 235/80R16 | 30.80" | +4.40% | -10 mm | 62.6 mph | calculate → |
| 215/75R16 | 28.70" | -2.74% | -30 mm | 58.4 mph | calculate → |
| 285/65R16 | 30.59" | +3.67% | +40 mm | 62.2 mph | calculate → |
| 285/60R16 | 29.46" | -0.13% | +40 mm | 59.9 mph | calculate → |
| 30x11.50R16 | 30.00" | +1.68% | +47 mm | 61.0 mph | calculate → |
| 205/80R16 | 28.91" | -2.00% | -40 mm | 58.8 mph | calculate → |
| 275/60R16 | 28.99" | -1.73% | +30 mm | 59.0 mph | calculate → |
| 285/55R16 | 28.34" | -3.94% | +40 mm | 57.6 mph | calculate → |
| 195/80R16 | 28.28" | -4.14% | -50 mm | 57.5 mph | calculate → |
| 255/60R16 | 28.05" | -4.94% | +10 mm | 57.0 mph | calculate → |
Plus / minus sizing: 15" and 17" rims
Same overall height on a different rim. Check wheel width and clearance before switching.
| Size | Diameter | Difference | Width | Speedo at 60 | |
|---|---|---|---|---|---|
| 245/65R17 common | 29.54" | +0.12% | 0 mm | 60.1 mph | compare → |
| 265/60R17 | 29.52" | +0.05% | +20 mm | 60.0 mph | calculate → |
| 265/70R15 | 29.61" | +0.35% | +20 mm | 60.2 mph | calculate → |
| 29.5x10.50R15 | 29.50" | -0.01% | +22 mm | 60.0 mph | calculate → |
| 29.5x11.50R15 | 29.50" | -0.01% | +47 mm | 60.0 mph | calculate → |
| 29.5x13.50R15 | 29.50" | -0.01% | +98 mm | 60.0 mph | calculate → |
| 29.5x9.00R15 | 29.50" | -0.01% | -16 mm | 60.0 mph | calculate → |
| 175/90R17 | 29.40" | -0.35% | -70 mm | 59.8 mph | calculate → |
| 215/85R15 | 29.39" | -0.39% | -30 mm | 59.8 mph | calculate → |
| 225/70R17 | 29.40" | -0.35% | -20 mm | 59.8 mph | calculate → |
Try another size against 245/70R16
Questions
What size is 245/70R16 in inches?
245/70R16 is about 29.5" tall and 9.6" wide on a 16-inch rim — roughly a 29.5x9.50R16 in inch sizing.
What does 245/70R16 mean?
245 mm section width, sidewall 70% of the width (6.75"), radial construction, 16-inch rim.
What tire sizes are equivalent to 245/70R16?
On the same 16" rim, within 3% of the diameter: 285/60R16 (-0.13%), 225/75R16 (-0.73%), 235/75R16 (+1.27%), 255/65R16 (-1.53%), 30x11.50R16 (+1.68%), 275/60R16 (-1.73%).
How many revolutions per mile does a 245/70R16 tire make?
About 684 revolutions per mile (circumference 92.7").
How these numbers are computed
Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.