175/70R13 tire size in inches

A 175/70R13 tire measures

22.6" tall × 6.9" wide

4.82" sidewall on a 13" wheel. 891 revolutions per mile.

175/70R13 means a tire 175 mm wide, with sidewalls 70% as tall as the tire is wide (123 mm), radial construction (R), for a 13 inch wheel.

22.6"13" rim4.8"6.9" wide
175/70R13: 22.6 inches tall, 6.9 inches wide, on a 13 inch rim, drawn to scale

175/70R13 specs

Overall diameter (height)22.65 inches (575 mm)
Section width6.89 inches (175 mm)
Sidewall height4.82 inches (123 mm)
Wheel (rim) diameter13 inches
Circumference71.1 inches (1,807 mm)
Revolutions per mile891
Revolutions per kilometer553
Approximate rim width4.5" to 6.0"
In inches (flotation style)22.6x6.9R13
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 175/70R13 on a 13" wheel

These 13" sizes are within 3% of 175/70R13's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
205/60R1322.69"8.07"+0.2%60.1 mphCompare
145/85R1322.70"5.71"+0.3%60.2 mphCompare
165/75R1322.74"6.50"+0.4%60.3 mphCompare
155/80R1322.76"6.10"+0.5%60.3 mphCompare
185/65R1322.47"7.28"−0.8%59.5 mphCompare
195/65R1322.98"7.68"+1.5%60.9 mphCompare
195/60R1322.21"7.68"−1.9%58.9 mphCompare
155/75R1322.15"6.10"−2.2%58.7 mphCompare
215/60R1323.16"8.46"+2.3%61.4 mphCompare
145/80R1322.13"5.71"−2.3%58.6 mphCompare
185/70R1323.20"7.28"+2.4%61.5 mphCompare
165/70R1322.09"6.50"−2.4%58.5 mphCompare

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

SizeWheelDiameterDifference
205/35R1717"22.65"0.0%Compare
215/45R1515"22.62"−0.1%Compare
195/50R1515"22.68"+0.1%Compare
175/55R1515"22.58"−0.3%Compare
185/45R1616"22.56"−0.4%Compare
185/60R1414"22.74"+0.4%Compare
155/70R1414"22.54"−0.5%Compare
215/40R1616"22.77"+0.6%Compare
165/60R1515"22.80"+0.7%Compare
185/40R1717"22.83"+0.8%Compare
205/40R1616"22.46"−0.8%Compare
165/65R1414"22.44"−0.9%Compare

One size up or down

Compare 175/70R13 with another size

With 185/70R13 tires, when your speedometer says 60 mph you are really going

61.5 mph

185/70R13 is +0.55 inches (+2.4%) in overall diameter. That is within the 3% most shops and makers allow.

175/70R13185/70R13Difference%
Overall diameter22.65"23.20"+0.55"+2.4%
Section width6.89"7.28"+0.39"+5.7%
Sidewall height4.82"5.10"+0.28"+5.7%
Circumference71.14"72.88"+1.73"+2.4%
Revolutions per mile890.6869.4−21.2−2.4%

Questions

How tall is a 175/70R13 tire?
A 175/70R13 tire is 22.6 inches tall (575 mm), calculated from the size. It is 6.9 inches wide with 4.8 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 175/70R13 mean?
175/70R13 means a tire 175 mm wide, with sidewalls 70% as tall as the tire is wide (123 mm), radial construction (R), for a 13 inch wheel.
How many revolutions per mile does a 175/70R13 tire make?
About 891 revolutions per mile, based on a circumference of 71.1 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 175/70R13 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 205/60R13 instead of 175/70R13?
205/60R13 is +0.04 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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