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295/30R23 tire size

295/30R23 is a metric size: 30.0" tall, 11.6" wide, on a 23" rim — about a 30x11.50R23. The sidewall is 3.5" and the tire turns 673 times per mile.

Diameter 30.0" sidewall 3.48" 23" rim width 295 mm (11.6")
295/30R23: 295 mm wide, sidewall 30% of the width (3.48"), on a 23" rim → 29.97" tall.

295/30R23 specs

Overall diameter (height)29.97" · 761 mm
Section width11.61" · 295 mm
Sidewall height3.48" · 89 mm (30% of width)
Rim diameter23"
Circumference94.15" · 2.391 m
Revolutions per mile673 (418 per km)
Inch (flotation) equivalent30x11.50R23

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
285/35R2330.85"+2.96%-10 mm61.8 mphcalculate →
315/30R2330.44"+1.58%+20 mm60.9 mphcalculate →
325/30R2330.68"+2.36%+30 mm61.4 mphcalculate →
275/35R2330.58"+2.04%-20 mm61.2 mphcalculate →
315/25R2329.20"-2.56%+20 mm58.5 mphcalculate →

Try another size against 295/30R23

Questions

What size is 295/30R23 in inches?

295/30R23 is about 30.0" tall and 11.6" wide on a 23-inch rim — roughly a 30x11.50R23 in inch sizing.

What does 295/30R23 mean?

295 mm section width, sidewall 30% of the width (3.48"), radial construction, 23-inch rim.

What tire sizes are equivalent to 295/30R23?

On the same 23" rim, within 3% of the diameter: 315/30R23 (+1.58%), 275/35R23 (+2.04%), 325/30R23 (+2.36%), 315/25R23 (-2.56%), 285/35R23 (+2.96%).

How many revolutions per mile does a 295/30R23 tire make?

About 673 revolutions per mile (circumference 94.1").

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.