CarSpecsHQ

265/50R15 tire size

265/50R15 is a metric size: 25.4" tall, 10.4" wide, on a 15" rim — about a 25.5x10.50R15. The sidewall is 5.2" and the tire turns 793 times per mile.

Diameter 25.4" sidewall 5.22" 15" rim width 265 mm (10.4")
265/50R15: 265 mm wide, sidewall 50% of the width (5.22"), on a 15" rim → 25.43" tall.

265/50R15 specs

Overall diameter (height)25.43" · 646 mm
Section width10.43" · 265 mm
Sidewall height5.22" · 133 mm (50% of width)
Rim diameter15"
Circumference79.90" · 2.029 m
Revolutions per mile793 (493 per km)
Inch (flotation) equivalent25.5x10.50R15

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"-1.78%-70 mm58.9 mphcalculate →
205/65R15 common25.49"+0.23%-60 mm60.1 mphcalculate →
185/65R15 common24.47"-3.79%-80 mm57.7 mphcalculate →
195/60R15 common24.21"-4.80%-70 mm57.1 mphcalculate →
205/70R1526.30"+3.41%-60 mm62.0 mphcalculate →
205/60R1524.69"-2.94%-60 mm58.2 mphcalculate →
215/65R1526.00"+2.24%-50 mm61.3 mphcalculate →
215/60R1525.16"-1.08%-50 mm59.3 mphcalculate →
235/60R1526.10"+2.63%-30 mm61.6 mphcalculate →
195/70R1525.75"+1.24%-70 mm60.7 mphcalculate →
275/50R1525.83"+1.55%+10 mm60.9 mphcalculate →
225/60R1525.63"+0.77%-40 mm60.5 mphcalculate →
245/60R1526.57"+4.49%-20 mm62.7 mphcalculate →
295/50R1526.61"+4.64%+30 mm62.8 mphcalculate →
26x10.00R1526.00"+2.23%-11 mm61.3 mphcalculate →
26x8.50R1526.00"+2.23%-49 mm61.3 mphcalculate →
245/50R1524.65"-3.10%-20 mm58.1 mphcalculate →
345/35R1524.51"-3.64%+80 mm57.8 mphcalculate →
185/70R1525.20"-0.93%-80 mm59.4 mphcalculate →
26x10.50R1526.00"+2.23%+2 mm61.3 mphcalculate →
26x12.00R1526.00"+2.23%+40 mm61.3 mphcalculate →
26x6.00R1526.00"+2.23%-113 mm61.3 mphcalculate →
26x7.50R1526.00"+2.23%-74 mm61.3 mphcalculate →
26x8.00R1526.00"+2.23%-62 mm61.3 mphcalculate →
155/80R1524.76"-2.63%-110 mm58.4 mphcalculate →
24.5x8.00R1524.50"-3.67%-62 mm57.8 mphcalculate →
235/50R1524.25"-4.64%-30 mm57.2 mphcalculate →
165/80R1525.39"-0.15%-100 mm59.9 mphcalculate →
165R1525.65"+0.87%-100 mm60.5 mphcalculate →
26x11.50R1526.00"+2.23%+27 mm61.3 mphcalculate →
225/55R1524.74"-2.71%-40 mm58.4 mphcalculate →
175/70R1524.65"-3.10%-90 mm58.1 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
215/55R16 common25.31"-0.48%-50 mm59.7 mphcalculate →
205/60R16 common25.69"+0.99%-60 mm60.6 mphcalculate →
245/50R1625.65"+0.84%-20 mm60.5 mphcalculate →
195/60R1625.21"-0.87%-70 mm59.5 mphcalculate →
195/75R1425.52"+0.33%-70 mm60.2 mphcalculate →
205/70R1425.30"-0.53%-60 mm59.7 mphcalculate →
245/60R1425.57"+0.56%-20 mm60.3 mphcalculate →
265/45R1625.39"-0.17%0 mm59.9 mphcalculate →
175R1425.30"-0.53%-90 mm59.7 mphcalculate →

Try another size against 265/50R15

Questions

What size is 265/50R15 in inches?

265/50R15 is about 25.4" tall and 10.4" wide on a 15-inch rim — roughly a 25.5x10.50R15 in inch sizing.

What does 265/50R15 mean?

265 mm section width, sidewall 50% of the width (5.22"), radial construction, 15-inch rim.

What tire sizes are equivalent to 265/50R15?

On the same 15" rim, within 3% of the diameter: 165/80R15 (-0.15%), 205/65R15 (+0.23%), 225/60R15 (+0.77%), 165R15 (+0.87%), 185/70R15 (-0.93%), 215/60R15 (-1.08%).

How many revolutions per mile does a 265/50R15 tire make?

About 793 revolutions per mile (circumference 79.9").

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.