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175/80R13 tire size

175/80R13 is a metric size: 24.0" tall, 6.9" wide, on a 13" rim — about a 24x7.00R13. The sidewall is 5.5" and the tire turns 840 times per mile.

Diameter 24.0" sidewall 5.51" 13" rim width 175 mm (6.9")
175/80R13: 175 mm wide, sidewall 80% of the width (5.51"), on a 13" rim → 24.02" tall.

175/80R13 specs

Overall diameter (height)24.02" · 610 mm
Section width6.89" · 175 mm
Sidewall height5.51" · 140 mm (80% of width)
Rim diameter13"
Circumference75.47" · 1.917 m
Revolutions per mile840 (522 per km)
Inch (flotation) equivalent24x7.00R13

Equivalent sizes on a 13" rim

Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.

SizeDiameterDifferenceWidthSpeedo at 60
185/80R1324.65"+2.62%+10 mm61.6 mphcalculate →
24.5x8.00R1324.50"+1.98%+28 mm61.2 mphcalculate →
24.5x9.00R1324.50"+1.98%+54 mm61.2 mphcalculate →
195/70R1323.75"-1.15%+20 mm59.3 mphcalculate →
165/80R1323.39"-2.62%-10 mm58.4 mphcalculate →

Try another size against 175/80R13

Questions

What size is 175/80R13 in inches?

175/80R13 is about 24.0" tall and 6.9" wide on a 13-inch rim — roughly a 24x7.00R13 in inch sizing.

What does 175/80R13 mean?

175 mm section width, sidewall 80% of the width (5.51"), radial construction, 13-inch rim.

What tire sizes are equivalent to 175/80R13?

On the same 13" rim, within 3% of the diameter: 195/70R13 (-1.15%), 24.5x8.00R13 (+1.98%), 24.5x9.00R13 (+1.98%), 165/80R13 (-2.62%), 185/80R13 (+2.62%).

How many revolutions per mile does a 175/80R13 tire make?

About 840 revolutions per mile (circumference 75.5").

How these numbers are computed

Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.