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265/35R20 tire size

265/35R20 is a metric size: 27.3" tall, 10.4" wide, on a 20" rim — about a 27.5x10.50R20. The sidewall is 3.7" and the tire turns 739 times per mile.

Diameter 27.3" sidewall 3.65" 20" rim width 265 mm (10.4")
265/35R20: 265 mm wide, sidewall 35% of the width (3.65"), on a 20" rim → 27.30" tall.

265/35R20 specs

Overall diameter (height)27.30" · 694 mm
Section width10.43" · 265 mm
Sidewall height3.65" · 93 mm (35% of width)
Rim diameter20"
Circumference85.78" · 2.179 m
Revolutions per mile739 (459 per km)
Inch (flotation) equivalent27.5x10.50R20

Equivalent sizes on a 20" 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
275/40R20 common28.66"+4.97%+10 mm63.0 mphcompare →
245/40R20 common27.72"+1.51%-20 mm60.9 mphcompare →
245/35R20 common26.75"-2.02%-20 mm58.8 mphcompare →
255/35R20 common27.03"-1.01%-10 mm59.4 mphcompare →
275/35R20 common27.58"+1.01%+10 mm60.6 mphcompare →
255/40R20 common28.03"+2.67%-10 mm61.6 mphcompare →
285/35R20 common27.85"+2.02%+20 mm61.2 mphcompare →
285/30R20 common26.73"-2.09%+20 mm58.7 mphcompare →
275/30R20 common26.50"-2.96%+10 mm58.2 mphcompare →
235/35R2026.48"-3.03%-30 mm58.2 mphcompare →
295/30R2026.97"-1.23%+30 mm59.3 mphcompare →
305/30R2027.20"-0.36%+40 mm59.8 mphcompare →
295/35R2028.13"+3.03%+30 mm61.8 mphcompare →
305/35R2028.41"+4.04%+40 mm62.4 mphcompare →
265/30R2026.26"-3.82%0 mm57.7 mphcompare →
255/30R2026.02"-4.69%-10 mm57.2 mphcompare →
235/45R2028.33"+3.75%-30 mm62.2 mphcompare →
225/35R2026.20"-4.04%-40 mm57.6 mphcompare →
265/40R2028.35"+3.82%0 mm62.3 mphcompare →
335/25R2026.59"-2.60%+70 mm58.4 mphcompare →
315/30R2027.44"+0.50%+50 mm60.3 mphcompare →
305/25R2026.00"-4.76%+40 mm57.1 mphcompare →
235/40R2027.40"+0.36%-30 mm60.2 mphcalculate →
335/30R2027.91"+2.24%+70 mm61.3 mphcalculate →
325/25R2026.40"-3.32%+60 mm58.0 mphcalculate →
325/30R2027.68"+1.37%+60 mm60.8 mphcalculate →
345/30R2028.15"+3.10%+80 mm61.9 mphcalculate →
215/45R2027.62"+1.15%-50 mm60.7 mphcalculate →
345/25R2026.79"-1.87%+80 mm58.9 mphcalculate →
225/40R2027.09"-0.79%-40 mm59.5 mphcalculate →
195/50R2027.68"+1.37%-70 mm60.8 mphcalculate →
155/60R2027.32"+0.07%-110 mm60.0 mphcalculate →
145/65R2027.42"+0.43%-120 mm60.3 mphcalculate →
175/55R2027.58"+1.01%-90 mm60.6 mphcalculate →
145/60R2026.85"-1.66%-120 mm59.0 mphcalculate →
165/60R2027.80"+1.80%-100 mm61.1 mphcalculate →
155/65R2027.93"+2.31%-110 mm61.4 mphcalculate →
225/45R2027.97"+2.45%-40 mm61.5 mphcalculate →
315/25R2026.20"-4.04%+50 mm57.6 mphcalculate →
195/55R2028.44"+4.18%-70 mm62.5 mphcalculate →

Plus / minus sizing: 19" and 21" rims

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

SizeDiameterDifferenceWidthSpeedo at 60
255/40R19 common27.03"-0.99%-10 mm59.4 mphcompare →
235/45R19 common27.33"+0.09%-30 mm60.1 mphcompare →
265/40R1927.35"+0.16%0 mm60.1 mphcompare →
295/35R1927.13"-0.63%+30 mm59.6 mphcompare →
345/30R1927.15"-0.56%+80 mm59.7 mphcompare →
275/30R2127.50"+0.71%+10 mm60.4 mphcompare →
305/35R1927.41"+0.37%+40 mm60.2 mphcalculate →
155/70R1927.54"+0.88%-110 mm60.5 mphcalculate →
355/30R1927.39"+0.30%+90 mm60.2 mphcalculate →
265/30R2127.26"-0.16%0 mm59.9 mphcalculate →
325/25R2127.40"+0.35%+60 mm60.2 mphcalculate →
215/50R1927.46"+0.59%-50 mm60.4 mphcalculate →
175/60R1927.27"-0.13%-90 mm59.9 mphcalculate →

Try another size against 265/35R20

Questions

What size is 265/35R20 in inches?

265/35R20 is about 27.3" tall and 10.4" wide on a 20-inch rim — roughly a 27.5x10.50R20 in inch sizing.

What does 265/35R20 mean?

265 mm section width, sidewall 35% of the width (3.65"), radial construction, 20-inch rim.

What tire sizes are equivalent to 265/35R20?

On the same 20" rim, within 3% of the diameter: 155/60R20 (+0.07%), 235/40R20 (+0.36%), 305/30R20 (-0.36%), 145/65R20 (+0.43%), 315/30R20 (+0.50%), 225/40R20 (-0.79%).

How many revolutions per mile does a 265/35R20 tire make?

About 739 revolutions per mile (circumference 85.8").

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.