CarSpecsHQ

315/35R24 tire size

315/35R24 is a metric size: 32.7" tall, 12.4" wide, on a 24" rim — about a 32.5x12.50R24. The sidewall is 4.3" and the tire turns 617 times per mile.

Diameter 32.7" sidewall 4.34" 24" rim width 315 mm (12.4")
315/35R24: 315 mm wide, sidewall 35% of the width (4.34"), on a 24" rim → 32.68" tall.

315/35R24 specs

Overall diameter (height)32.68" · 830 mm
Section width12.40" · 315 mm
Sidewall height4.34" · 110 mm (35% of width)
Rim diameter24"
Circumference102.67" · 2.608 m
Revolutions per mile617 (383 per km)
Inch (flotation) equivalent32.5x12.50R24

Equivalent sizes on a 24" 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
305/35R2432.41"-0.84%-10 mm59.5 mphcalculate →
285/40R2432.98"+0.90%-30 mm60.5 mphcalculate →
295/35R2432.13"-1.69%-20 mm59.0 mphcalculate →
285/35R2431.85"-2.53%-30 mm58.5 mphcalculate →
295/40R2433.29"+1.87%-20 mm61.1 mphcalculate →
33x13.50R2433.00"+0.98%+28 mm60.6 mphcalculate →
335/30R2431.91"-2.35%+20 mm58.6 mphcalculate →
33x14.50R2433.00"+0.98%+53 mm60.6 mphcalculate →
405/25R2431.97"-2.17%+90 mm58.7 mphcalculate →

Try another size against 315/35R24

Questions

What size is 315/35R24 in inches?

315/35R24 is about 32.7" tall and 12.4" wide on a 24-inch rim — roughly a 32.5x12.50R24 in inch sizing.

What does 315/35R24 mean?

315 mm section width, sidewall 35% of the width (4.34"), radial construction, 24-inch rim.

What tire sizes are equivalent to 315/35R24?

On the same 24" rim, within 3% of the diameter: 305/35R24 (-0.84%), 285/40R24 (+0.90%), 33x13.50R24 (+0.98%), 33x14.50R24 (+0.98%), 295/35R24 (-1.69%), 295/40R24 (+1.87%).

How many revolutions per mile does a 315/35R24 tire make?

About 617 revolutions per mile (circumference 102.7").

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.