165/70R14 tire size in inches

A 165/70R14 tire measures

23.1" tall × 6.5" wide

4.55" sidewall on a 14" wheel. 873 revolutions per mile.

165/70R14 means a tire 165 mm wide, with sidewalls 70% as tall as the tire is wide (115 mm), radial construction (R), for a 14 inch wheel.

23.1"14" rim4.5"6.5" wide
165/70R14: 23.1 inches tall, 6.5 inches wide, on a 14 inch rim, drawn to scale

165/70R14 specs

Overall diameter (height)23.09 inches (587 mm)
Section width6.50 inches (165 mm)
Sidewall height4.55 inches (115 mm)
Wheel (rim) diameter14 inches
Circumference72.6 inches (1,843 mm)
Revolutions per mile873
Revolutions per kilometer543
Approximate rim width4.5" to 6.0"
In inches (flotation style)23.1x6.5R14
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 165/70R14 on a 14" wheel

These 14" sizes are within 3% of 165/70R14's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
155/75R1423.15"6.10"+0.3%60.2 mphCompare
195/60R1423.21"7.68"+0.5%60.3 mphCompare
175/65R1422.96"6.89"−0.6%59.6 mphCompare
205/55R1422.88"8.07"−0.9%59.4 mphCompare
215/55R1423.31"8.46"+0.9%60.6 mphCompare
185/60R1422.74"7.28"−1.5%59.1 mphCompare
185/65R1423.47"7.28"+1.6%61.0 mphCompare
155/70R1422.54"6.10"−2.4%58.6 mphCompare
175/70R1423.65"6.89"+2.4%61.4 mphCompare
205/60R1423.69"8.07"+2.6%61.5 mphCompare
165/65R1422.44"6.50"−2.8%58.3 mphCompare
165/75R1423.74"6.50"+2.8%61.7 mphCompare

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

SizeWheelDiameterDifference
225/40R1616"23.09"0.0%Compare
205/50R1515"23.07"−0.1%Compare
195/40R1717"23.14"+0.2%Compare
205/25R1919"23.04"−0.3%Compare
215/60R1313"23.16"+0.3%Compare
185/55R1515"23.01"−0.4%Compare
185/70R1313"23.20"+0.4%Compare
225/35R1717"23.20"+0.5%Compare
195/65R1313"22.98"−0.5%Compare
225/45R1515"22.97"−0.5%Compare
215/25R1919"23.23"+0.6%Compare
205/45R1616"23.26"+0.7%Compare

One size up or down

Compare 165/70R14 with another size

With 175/70R14 tires, when your speedometer says 60 mph you are really going

61.4 mph

175/70R14 is +0.55 inches (+2.4%) in overall diameter. That is within the 3% most shops and makers allow.

165/70R14175/70R14Difference%
Overall diameter23.09"23.65"+0.55"+2.4%
Section width6.50"6.89"+0.39"+6.1%
Sidewall height4.55"4.82"+0.28"+6.1%
Circumference72.55"74.29"+1.73"+2.4%
Revolutions per mile873.3852.9−20.4−2.3%

Questions

How tall is a 165/70R14 tire?
A 165/70R14 tire is 23.1 inches tall (587 mm), calculated from the size. It is 6.5 inches wide with 4.5 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 165/70R14 mean?
165/70R14 means a tire 165 mm wide, with sidewalls 70% as tall as the tire is wide (115 mm), radial construction (R), for a 14 inch wheel.
How many revolutions per mile does a 165/70R14 tire make?
About 873 revolutions per mile, based on a circumference of 72.6 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 165/70R14 tire?
Roughly 4.5" to 6.0". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 155/75R14 instead of 165/70R14?
155/75R14 is +0.06 inches (+0.3%) in overall diameter, so at an indicated 60 mph you would be doing 60.2 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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