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24.5x9.00R13 tire size

24.5x9.00R13 is a flotation (inch) size: 24.5" tall, 9.0" wide, on a 13" rim — about a 230/65R13. The sidewall is 5.8" and the tire turns 823 times per mile.

Diameter 24.5" sidewall 5.75" 13" rim width 229 mm (9.0")
24.5x9.00R13: 229 mm wide, sidewall 64% of the width (5.75"), on a 13" rim → 24.50" tall.

24.5x9.00R13 specs

Overall diameter (height)24.50" · 622 mm
Section width9.00" · 229 mm
Sidewall height5.75" · 146 mm (64% of width)
Rim diameter13"
Circumference76.97" · 1.955 m
Revolutions per mile823 (512 per km)
Closest metric size230/65R13

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
175/80R1324.02"-1.94%-54 mm58.8 mphcalculate →
185/80R1324.65"+0.63%-44 mm60.4 mphcalculate →
24.5x8.00R1324.50"0.00%-26 mm60.0 mphcalculate →

Try another size against 24.5x9.00R13

Questions

What size is 24.5x9.00R13 in inches?

24.5x9.00R13 is about 24.5" tall and 9.0" wide on a 13-inch rim — roughly a 230/65R13 in inch sizing.

What does 24.5x9.00R13 mean?

24.5" overall diameter, 9.00" section width, radial, 13" rim.

What tire sizes are equivalent to 24.5x9.00R13?

On the same 13" rim, within 3% of the diameter: 24.5x8.00R13 (0.00%), 185/80R13 (+0.63%), 175/80R13 (-1.94%).

How many revolutions per mile does a 24.5x9.00R13 tire make?

About 823 revolutions per mile (circumference 77.0").

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.