215/70R16 tire size in inches

A 215/70R16 tire measures

27.9" tall × 8.5" wide

5.93" sidewall on a 16" wheel. 724 revolutions per mile.

215/70R16 means a tire 215 mm wide, with sidewalls 70% as tall as the tire is wide (151 mm), radial construction (R), for a 16 inch wheel.

27.9"16" rim5.9"8.5" wide
215/70R16: 27.9 inches tall, 8.5 inches wide, on a 16 inch rim, drawn to scale

215/70R16 specs

Overall diameter (height)27.85 inches (707 mm)
Section width8.46 inches (215 mm)
Sidewall height5.93 inches (151 mm)
Wheel (rim) diameter16 inches
Circumference87.5 inches (2,222 mm)
Revolutions per mile724
Revolutions per kilometer450
Approximate rim width5.5" to 7.0"
In inches (flotation style)27.9x8.5R16
Aspect ratio70%

Calculated from the size. Real tires differ by brand, model and tread depth, typically by a few tenths of an inch.

Sizes that can replace 215/70R16 on a 16" wheel

These 16" sizes are within 3% of 215/70R16's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
275/55R1627.91"10.83"+0.2%60.1 mphCompare
175/85R1627.71"6.89"−0.5%59.7 mphCompare
235/65R1628.03"9.25"+0.6%60.4 mphCompare
185/80R1627.65"7.28"−0.7%59.6 mphCompare
255/60R1628.05"10.04"+0.7%60.4 mphCompare
295/50R1627.61"11.61"−0.8%59.5 mphCompare
205/75R1628.11"8.07"+0.9%60.6 mphCompare
245/60R1627.57"9.65"−1.0%59.4 mphCompare
195/75R1627.52"7.68"−1.2%59.3 mphCompare
225/65R1627.52"8.86"−1.2%59.3 mphCompare
265/55R1627.48"10.43"−1.3%59.2 mphCompare
195/80R1628.28"7.68"+1.6%60.9 mphCompare

Same height on other wheel sizes (plus and minus sizing)

SizeWheelDiameterDifference
285/35R2020"27.85"0.0%Compare
225/50R1919"27.86"0.0%Compare
275/50R1717"27.83"−0.1%Compare
205/55R1919"27.88"+0.1%Compare
235/75R1414"27.88"+0.1%Compare
295/25R2222"27.81"−0.2%Compare
305/45R1717"27.81"−0.2%Compare
235/80R1313"27.80"−0.2%Compare
345/25R2121"27.79"−0.2%Compare
205/80R1515"27.91"+0.2%Compare
245/30R2222"27.79"−0.2%Compare
335/30R2020"27.91"+0.2%Compare

One size up or down

Compare 215/70R16 with another size

With 225/70R16 tires, when your speedometer says 60 mph you are really going

61.2 mph

225/70R16 is +0.55 inches (+2.0%) in overall diameter. That is within the 3% most shops and makers allow.

215/70R16225/70R16Difference%
Overall diameter27.85"28.40"+0.55"+2.0%
Section width8.46"8.86"+0.39"+4.7%
Sidewall height5.93"6.20"+0.28"+4.7%
Circumference87.49"89.23"+1.73"+2.0%
Revolutions per mile724.2710.1−14.1−1.9%

Questions

How tall is a 215/70R16 tire?
A 215/70R16 tire is 27.9 inches tall (707 mm), calculated from the size. It is 8.5 inches wide with 5.9 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 215/70R16 mean?
215/70R16 means a tire 215 mm wide, with sidewalls 70% as tall as the tire is wide (151 mm), radial construction (R), for a 16 inch wheel.
How many revolutions per mile does a 215/70R16 tire make?
About 724 revolutions per mile, based on a circumference of 87.5 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 215/70R16 tire?
Roughly 5.5" to 7.0". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 275/55R16 instead of 215/70R16?
275/55R16 is +0.06 inches (+0.2%) in overall diameter, so at an indicated 60 mph you would be doing 60.1 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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