165/75R14 tire size in inches

A 165/75R14 tire measures

23.7" tall × 6.5" wide

4.87" sidewall on a 14" wheel. 849 revolutions per mile.

165/75R14 means a tire 165 mm wide, with sidewalls 75% as tall as the tire is wide (124 mm), radial construction (R), for a 14 inch wheel.

23.7"14" rim4.9"6.5" wide
165/75R14: 23.7 inches tall, 6.5 inches wide, on a 14 inch rim, drawn to scale

165/75R14 specs

Overall diameter (height)23.74 inches (603 mm)
Section width6.50 inches (165 mm)
Sidewall height4.87 inches (124 mm)
Wheel (rim) diameter14 inches
Circumference74.6 inches (1,895 mm)
Revolutions per mile849
Revolutions per kilometer528
Approximate rim width4.5" to 6.0"
In inches (flotation style)23.7x6.5R14
Aspect ratio75%

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 165/75R14 on a 14" wheel

These 14" sizes are within 3% of 165/75R14's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
225/55R1423.74"8.86"0.0%60.0 mphCompare
155/80R1423.76"6.10"+0.1%60.0 mphCompare
205/60R1423.69"8.07"−0.2%59.9 mphCompare
175/70R1423.65"6.89"−0.4%59.8 mphCompare
195/65R1423.98"7.68"+1.0%60.6 mphCompare
185/65R1423.47"7.28"−1.2%59.3 mphCompare
215/60R1424.16"8.46"+1.7%61.0 mphCompare
215/55R1423.31"8.46"−1.8%58.9 mphCompare
235/55R1424.18"9.25"+1.8%61.1 mphCompare
185/70R1424.20"7.28"+1.9%61.1 mphCompare
195/60R1423.21"7.68"−2.2%58.7 mphCompare
155/75R1423.15"6.10"−2.5%58.5 mphCompare

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

SizeWheelDiameterDifference
185/60R1515"23.74"0.0%Compare
195/70R1313"23.75"0.0%Compare
245/35R1717"23.75"0.0%Compare
215/40R1717"23.77"+0.1%Compare
245/40R1616"23.72"−0.1%Compare
245/45R1515"23.68"−0.3%Compare
195/50R1616"23.68"−0.3%Compare
245/25R1919"23.82"+0.3%Compare
205/35R1818"23.65"−0.4%Compare
205/30R1919"23.84"+0.4%Compare
225/50R1515"23.86"+0.5%Compare
225/60R1313"23.63"−0.5%Compare

One size up or down

Compare 165/75R14 with another size

With 175/75R14 tires, when your speedometer says 60 mph you are really going

61.5 mph

175/75R14 is +0.59 inches (+2.5%) in overall diameter. That is within the 3% most shops and makers allow.

165/75R14175/75R14Difference%
Overall diameter23.74"24.33"+0.59"+2.5%
Section width6.50"6.89"+0.39"+6.1%
Sidewall height4.87"5.17"+0.30"+6.1%
Circumference74.59"76.45"+1.86"+2.5%
Revolutions per mile849.4828.8−20.6−2.4%

Questions

How tall is a 165/75R14 tire?
A 165/75R14 tire is 23.7 inches tall (603 mm), calculated from the size. It is 6.5 inches wide with 4.9 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 165/75R14 mean?
165/75R14 means a tire 165 mm wide, with sidewalls 75% as tall as the tire is wide (124 mm), radial construction (R), for a 14 inch wheel.
How many revolutions per mile does a 165/75R14 tire make?
About 849 revolutions per mile, based on a circumference of 74.6 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 165/75R14 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 225/55R14 instead of 165/75R14?
225/55R14 is 0.00 inches (0.0%) in overall diameter, so at an indicated 60 mph you would be doing 60.0 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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