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325/35R23 tire size

325/35R23 is a metric size: 32.0" tall, 12.8" wide, on a 23" rim — about a 32x13.00R23. The sidewall is 4.5" and the tire turns 631 times per mile.

Diameter 32.0" sidewall 4.48" 23" rim width 325 mm (12.8")
325/35R23: 325 mm wide, sidewall 35% of the width (4.48"), on a 23" rim → 31.96" tall.

325/35R23 specs

Overall diameter (height)31.96" · 812 mm
Section width12.80" · 325 mm
Sidewall height4.48" · 114 mm (35% of width)
Rim diameter23"
Circumference100.39" · 2.550 m
Revolutions per mile631 (392 per km)
Inch (flotation) equivalent32x13.00R23

Equivalent sizes on a 23" 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
285/40R2331.98"+0.06%-40 mm60.0 mphcalculate →
295/35R2331.13"-2.59%-30 mm58.4 mphcalculate →
305/40R2332.61"+2.03%-20 mm61.2 mphcalculate →
275/40R2331.66"-0.92%-50 mm59.4 mphcalculate →
305/35R2331.41"-1.72%-20 mm59.0 mphcalculate →
255/40R2331.03"-2.90%-70 mm58.3 mphcalculate →

Try another size against 325/35R23

Questions

What size is 325/35R23 in inches?

325/35R23 is about 32.0" tall and 12.8" wide on a 23-inch rim — roughly a 32x13.00R23 in inch sizing.

What does 325/35R23 mean?

325 mm section width, sidewall 35% of the width (4.48"), radial construction, 23-inch rim.

What tire sizes are equivalent to 325/35R23?

On the same 23" rim, within 3% of the diameter: 285/40R23 (+0.06%), 275/40R23 (-0.92%), 305/35R23 (-1.72%), 305/40R23 (+2.03%), 295/35R23 (-2.59%), 255/40R23 (-2.90%).

How many revolutions per mile does a 325/35R23 tire make?

About 631 revolutions per mile (circumference 100.4").

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.