CarSpecsHQ

345/35R15 tire size

345/35R15 is a metric size: 24.5" tall, 13.6" wide, on a 15" rim — about a 24.5x13.50R15. The sidewall is 4.8" and the tire turns 823 times per mile.

Diameter 24.5" sidewall 4.75" 15" rim width 345 mm (13.6")
345/35R15: 345 mm wide, sidewall 35% of the width (4.75"), on a 15" rim → 24.51" tall.

345/35R15 specs

Overall diameter (height)24.51" · 622 mm
Section width13.58" · 345 mm
Sidewall height4.75" · 121 mm (35% of width)
Rim diameter15"
Circumference76.99" · 1.956 m
Revolutions per mile823 (511 per km)
Inch (flotation) equivalent24.5x13.50R15

Equivalent sizes on a 15" 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
195/65R15 common24.98"+1.93%-150 mm61.2 mphcalculate →
205/65R15 common25.49"+4.02%-140 mm62.4 mphcalculate →
185/65R15 common24.47"-0.16%-160 mm59.9 mphcalculate →
195/60R15 common24.21"-1.20%-150 mm59.3 mphcalculate →
185/60R15 common23.74"-3.13%-160 mm58.1 mphcalculate →
175/65R1523.96"-2.25%-170 mm58.7 mphcalculate →
205/60R1524.69"+0.72%-140 mm60.4 mphcalculate →
195/55R1523.44"-4.34%-150 mm57.4 mphcalculate →
215/60R1525.16"+2.65%-130 mm61.6 mphcalculate →
225/50R1523.86"-2.65%-120 mm58.4 mphcalculate →
225/60R1525.63"+4.58%-120 mm62.7 mphcalculate →
245/50R1524.65"+0.56%-100 mm60.3 mphcalculate →
205/55R1523.88"-2.57%-140 mm58.5 mphcalculate →
24.5x8.00R1524.50"-0.03%-142 mm60.0 mphcalculate →
235/50R1524.25"-1.04%-110 mm59.4 mphcalculate →
155/80R1524.76"+1.04%-190 mm60.6 mphcalculate →
185/70R1525.20"+2.81%-160 mm61.7 mphcalculate →
265/50R1525.43"+3.78%-80 mm62.3 mphcalculate →
165/65R1523.44"-4.34%-180 mm57.4 mphcalculate →
175/70R1524.65"+0.56%-170 mm60.3 mphcalculate →
225/55R1524.74"+0.96%-120 mm60.6 mphcalculate →
165/80R1525.39"+3.61%-180 mm62.2 mphcalculate →
215/50R1523.46"-4.26%-130 mm57.4 mphcalculate →
165R1525.65"+4.67%-180 mm62.8 mphcalculate →

Plus / minus sizing: 14" and 16" rims

Same overall height on a different rim. Check wheel width and clearance before switching.

SizeDiameterDifferenceWidthSpeedo at 60
195/55R16 common24.44"-0.26%-150 mm59.8 mphcalculate →
195/70R1424.75"+0.98%-150 mm60.6 mphcalculate →
245/45R1624.68"+0.71%-100 mm60.4 mphcalculate →
185/60R1624.74"+0.95%-160 mm60.6 mphcalculate →
225/60R1424.63"+0.50%-120 mm60.3 mphcalculate →
175/60R1624.27"-0.98%-170 mm59.4 mphcalculate →
215/50R1624.46"-0.18%-130 mm59.9 mphcalculate →
165/80R1424.39"-0.47%-180 mm59.7 mphcalculate →

Try another size against 345/35R15

Questions

What size is 345/35R15 in inches?

345/35R15 is about 24.5" tall and 13.6" wide on a 15-inch rim — roughly a 24.5x13.50R15 in inch sizing.

What does 345/35R15 mean?

345 mm section width, sidewall 35% of the width (4.75"), radial construction, 15-inch rim.

What tire sizes are equivalent to 345/35R15?

On the same 15" rim, within 3% of the diameter: 24.5x8.00R15 (-0.03%), 185/65R15 (-0.16%), 175/70R15 (+0.56%), 245/50R15 (+0.56%), 205/60R15 (+0.72%), 225/55R15 (+0.96%).

How many revolutions per mile does a 345/35R15 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.