CarSpecsHQ

165/60R20 tire size

165/60R20 is a metric size: 27.8" tall, 6.5" wide, on a 20" rim — about a 28x6.50R20. The sidewall is 3.9" and the tire turns 726 times per mile.

Diameter 27.8" sidewall 3.90" 20" rim width 165 mm (6.5")
165/60R20: 165 mm wide, sidewall 60% of the width (3.90"), on a 20" rim → 27.80" tall.

165/60R20 specs

Overall diameter (height)27.80" · 706 mm
Section width6.50" · 165 mm
Sidewall height3.90" · 99 mm (60% of width)
Rim diameter20"
Circumference87.32" · 2.218 m
Revolutions per mile726 (451 per km)
Inch (flotation) equivalent28x6.50R20

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
245/45R20 common28.68"+3.19%+80 mm61.9 mphcalculate →
255/45R20 common29.04"+4.46%+90 mm62.7 mphcalculate →
275/40R20 common28.66"+3.12%+110 mm61.9 mphcalculate →
245/40R20 common27.72"-0.28%+80 mm59.8 mphcalculate →
245/35R20 common26.75"-3.75%+80 mm57.7 mphcalculate →
255/35R20 common27.03"-2.76%+90 mm58.3 mphcalculate →
275/35R20 common27.58"-0.78%+110 mm59.5 mphcalculate →
255/40R20 common28.03"+0.85%+90 mm60.5 mphcalculate →
285/35R20 common27.85"+0.21%+120 mm60.1 mphcalculate →
315/35R20 common28.68"+3.19%+150 mm61.9 mphcalculate →
285/30R20 common26.73"-3.82%+120 mm57.7 mphcalculate →
275/30R20 common26.50"-4.67%+110 mm57.2 mphcalculate →
265/35R20 common27.30"-1.77%+100 mm58.9 mphcalculate →
235/35R2026.48"-4.75%+70 mm57.2 mphcalculate →
295/30R2026.97"-2.97%+130 mm58.2 mphcalculate →
305/30R2027.20"-2.12%+140 mm58.7 mphcalculate →
295/35R2028.13"+1.20%+130 mm60.7 mphcalculate →
305/35R2028.41"+2.20%+140 mm61.3 mphcalculate →
285/40R2028.98"+4.25%+120 mm62.5 mphcalculate →
235/45R2028.33"+1.91%+70 mm61.1 mphcalculate →
265/40R2028.35"+1.98%+100 mm61.2 mphcalculate →
335/25R2026.59"-4.32%+170 mm57.4 mphcalculate →
315/30R2027.44"-1.27%+150 mm59.2 mphcalculate →
235/40R2027.40"-1.42%+70 mm59.2 mphcalculate →
335/30R2027.91"+0.42%+170 mm60.3 mphcalculate →
325/30R2027.68"-0.42%+160 mm59.7 mphcalculate →
345/30R2028.15"+1.27%+180 mm60.8 mphcalculate →
215/45R2027.62"-0.64%+50 mm59.6 mphcalculate →
345/25R2026.79"-3.61%+180 mm57.8 mphcalculate →
195/50R2027.68"-0.42%+30 mm59.7 mphcalculate →
225/40R2027.09"-2.55%+60 mm58.5 mphcalculate →
325/35R2028.96"+4.18%+160 mm62.5 mphcalculate →
175/55R2027.58"-0.78%+10 mm59.5 mphcalculate →
145/65R2027.42"-1.35%-20 mm59.2 mphcalculate →
155/60R2027.32"-1.70%-10 mm59.0 mphcalculate →
145/60R2026.85"-3.40%-20 mm58.0 mphcalculate →
29x15.00R2029.00"+4.33%+216 mm62.6 mphcalculate →
29x18.00R2029.00"+4.33%+292 mm62.6 mphcalculate →
155/65R2027.93"+0.50%-10 mm60.3 mphcalculate →
225/45R2027.97"+0.64%+60 mm60.4 mphcalculate →
195/55R2028.44"+2.34%+30 mm61.4 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
245/45R19 common27.68"-0.41%+80 mm59.8 mphcalculate →
255/45R19 common28.04"+0.86%+90 mm60.5 mphcalculate →
275/40R19 common27.66"-0.48%+110 mm59.7 mphcalculate →
245/35R2127.75"-0.16%+80 mm59.9 mphcalculate →
285/40R1927.98"+0.65%+120 mm60.4 mphcalculate →
255/35R2128.03"+0.84%+90 mm60.5 mphcalculate →
295/30R2127.97"+0.62%+130 mm60.4 mphcalculate →
285/30R2127.73"-0.23%+120 mm59.9 mphcalculate →
355/25R2127.99"+0.69%+190 mm60.4 mphcalculate →
155/70R1927.54"-0.91%-10 mm59.5 mphcalculate →
345/25R2127.79"-0.01%+180 mm60.0 mphcalculate →
315/35R1927.68"-0.41%+150 mm59.8 mphcalculate →
225/50R1927.86"+0.23%+60 mm60.1 mphcalculate →

Try another size against 165/60R20

Questions

What size is 165/60R20 in inches?

165/60R20 is about 27.8" tall and 6.5" wide on a 20-inch rim — roughly a 28x6.50R20 in inch sizing.

What does 165/60R20 mean?

165 mm section width, sidewall 60% of the width (3.90"), radial construction, 20-inch rim.

What tire sizes are equivalent to 165/60R20?

On the same 20" rim, within 3% of the diameter: 285/35R20 (+0.21%), 245/40R20 (-0.28%), 195/50R20 (-0.42%), 325/30R20 (-0.42%), 335/30R20 (+0.42%), 155/65R20 (+0.50%).

How many revolutions per mile does a 165/60R20 tire make?

About 726 revolutions per mile (circumference 87.3").

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.