215/55R14 tire size in inches

A 215/55R14 tire measures

23.3" tall × 8.5" wide

4.66" sidewall on a 14" wheel. 865 revolutions per mile.

215/55R14 means a tire 215 mm wide, with sidewalls 55% as tall as the tire is wide (118 mm), radial construction (R), for a 14 inch wheel.

23.3"14" rim4.7"8.5" wide
215/55R14: 23.3 inches tall, 8.5 inches wide, on a 14 inch rim, drawn to scale

215/55R14 specs

Overall diameter (height)23.31 inches (592 mm)
Section width8.46 inches (215 mm)
Sidewall height4.66 inches (118 mm)
Wheel (rim) diameter14 inches
Circumference73.2 inches (1,860 mm)
Revolutions per mile865
Revolutions per kilometer538
Approximate rim width6.0" to 7.5"
In inches (flotation style)23.3x8.5R14
Aspect ratio55%

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 215/55R14 on a 14" wheel

These 14" sizes are within 3% of 215/55R14's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
195/60R1423.21"7.68"−0.4%59.7 mphCompare
155/75R1423.15"6.10"−0.7%59.6 mphCompare
185/65R1423.47"7.28"+0.7%60.4 mphCompare
165/70R1423.09"6.50"−0.9%59.4 mphCompare
175/70R1423.65"6.89"+1.4%60.9 mphCompare
175/65R1422.96"6.89"−1.5%59.1 mphCompare
205/60R1423.69"8.07"+1.6%61.0 mphCompare
165/75R1423.74"6.50"+1.9%61.1 mphCompare
205/55R1422.88"8.07"−1.9%58.9 mphCompare
225/55R1423.74"8.86"+1.9%61.1 mphCompare
155/80R1423.76"6.10"+1.9%61.2 mphCompare
185/60R1422.74"7.28"−2.4%58.5 mphCompare

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

SizeWheelDiameterDifference
235/45R1515"23.33"+0.1%Compare
175/75R1313"23.33"+0.1%Compare
185/50R1616"23.28"−0.1%Compare
175/60R1515"23.27"−0.2%Compare
205/45R1616"23.26"−0.2%Compare
155/85R1313"23.37"+0.3%Compare
195/35R1818"23.37"+0.3%Compare
215/25R1919"23.23"−0.3%Compare
165/80R1313"23.39"+0.4%Compare
235/40R1616"23.40"+0.4%Compare
225/35R1717"23.20"−0.5%Compare
185/70R1313"23.20"−0.5%Compare

One size up or down

Compare 215/55R14 with another size

With 225/55R14 tires, when your speedometer says 60 mph you are really going

61.1 mph

225/55R14 is +0.43 inches (+1.9%) in overall diameter. That is within the 3% most shops and makers allow.

215/55R14225/55R14Difference%
Overall diameter23.31"23.74"+0.43"+1.9%
Section width8.46"8.86"+0.39"+4.7%
Sidewall height4.66"4.87"+0.22"+4.7%
Circumference73.23"74.59"+1.36"+1.9%
Revolutions per mile865.2849.4−15.8−1.8%

Questions

How tall is a 215/55R14 tire?
A 215/55R14 tire is 23.3 inches tall (592 mm), calculated from the size. It is 8.5 inches wide with 4.7 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 215/55R14 mean?
215/55R14 means a tire 215 mm wide, with sidewalls 55% as tall as the tire is wide (118 mm), radial construction (R), for a 14 inch wheel.
How many revolutions per mile does a 215/55R14 tire make?
About 865 revolutions per mile, based on a circumference of 73.2 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 215/55R14 tire?
Roughly 6.0" to 7.5". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 195/60R14 instead of 215/55R14?
195/60R14 is −0.10 inches (−0.4%) in overall diameter, so at an indicated 60 mph you would be doing 59.7 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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