CarSpecsHQ

275/50R15 tire size

275/50R15 is a metric size: 25.8" tall, 10.8" wide, on a 15" rim — about a 26x11.00R15. The sidewall is 5.4" and the tire turns 781 times per mile.

Diameter 25.8" sidewall 5.41" 15" rim width 275 mm (10.8")
275/50R15: 275 mm wide, sidewall 50% of the width (5.41"), on a 15" rim → 25.83" tall.

275/50R15 specs

Overall diameter (height)25.83" · 656 mm
Section width10.83" · 275 mm
Sidewall height5.41" · 138 mm (50% of width)
Rim diameter15"
Circumference81.14" · 2.061 m
Revolutions per mile781 (485 per km)
Inch (flotation) equivalent26x11.00R15

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"-3.28%-80 mm58.0 mphcalculate →
205/65R15 common25.49"-1.30%-70 mm59.2 mphcalculate →
215/70R1526.85"+3.96%-60 mm62.4 mphcalculate →
205/70R1526.30"+1.83%-70 mm61.1 mphcalculate →
205/60R1524.69"-4.42%-70 mm57.3 mphcalculate →
215/65R1526.00"+0.69%-60 mm60.4 mphcalculate →
215/60R1525.16"-2.59%-60 mm58.4 mphcalculate →
205/75R1527.11"+4.95%-70 mm63.0 mphcalculate →
235/60R1526.10"+1.07%-40 mm60.6 mphcalculate →
255/60R1527.05"+4.73%-20 mm62.8 mphcalculate →
195/70R1525.75"-0.30%-80 mm59.8 mphcalculate →
225/60R1525.63"-0.76%-50 mm59.5 mphcalculate →
245/60R1526.57"+2.90%-30 mm61.7 mphcalculate →
295/50R1526.61"+3.05%+20 mm61.8 mphcalculate →
26x10.00R1526.00"+0.67%-21 mm60.4 mphcalculate →
26x8.50R1526.00"+0.67%-59 mm60.4 mphcalculate →
245/50R1524.65"-4.57%-30 mm57.3 mphcalculate →
26x10.50R1526.00"+0.67%-8 mm60.4 mphcalculate →
26x12.00R1526.00"+0.67%+30 mm60.4 mphcalculate →
26x6.00R1526.00"+0.67%-123 mm60.4 mphcalculate →
26x7.50R1526.00"+0.67%-84 mm60.4 mphcalculate →
26x8.00R1526.00"+0.67%-72 mm60.4 mphcalculate →
265/50R1525.43"-1.52%-10 mm59.1 mphcalculate →
185/70R1525.20"-2.44%-90 mm58.5 mphcalculate →
155/80R1524.76"-4.12%-120 mm57.5 mphcalculate →
27x9.50R1527.00"+4.54%-34 mm62.7 mphcalculate →
165R1525.65"-0.67%-110 mm59.6 mphcalculate →
26x11.50R1526.00"+0.67%+17 mm60.4 mphcalculate →
165/80R1525.39"-1.68%-110 mm59.0 mphcalculate →
225/55R1524.74"-4.19%-50 mm57.5 mphcalculate →
185R1526.94"+4.33%-90 mm62.6 mphcalculate →
27x10.50R1527.00"+4.54%-8 mm62.7 mphcalculate →
175/70R1524.65"-4.57%-100 mm57.3 mphcalculate →
235/65R1527.03"+4.65%-40 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
205/60R16 common25.69"-0.55%-70 mm59.7 mphcalculate →
225/55R1625.74"-0.32%-50 mm59.8 mphcalculate →
245/50R1625.65"-0.70%-30 mm59.6 mphcalculate →
215/70R1425.85"+0.09%-60 mm60.1 mphcalculate →
255/50R1626.04"+0.82%-20 mm60.5 mphcalculate →
275/45R1625.74"-0.32%0 mm59.8 mphcalculate →
195/65R1625.98"+0.59%-80 mm60.4 mphcalculate →
26x8.50R1426.00"+0.67%-59 mm60.4 mphcalculate →
245/60R1425.57"-0.98%-30 mm59.4 mphcalculate →
315/40R1625.92"+0.37%+40 mm60.2 mphcalculate →
185R1425.94"+0.46%-90 mm60.3 mphcalculate →
26x11.50R1626.00"+0.67%+17 mm60.4 mphcalculate →

Try another size against 275/50R15

Questions

What size is 275/50R15 in inches?

275/50R15 is about 25.8" tall and 10.8" wide on a 15-inch rim — roughly a 26x11.00R15 in inch sizing.

What does 275/50R15 mean?

275 mm section width, sidewall 50% of the width (5.41"), radial construction, 15-inch rim.

What tire sizes are equivalent to 275/50R15?

On the same 15" rim, within 3% of the diameter: 195/70R15 (-0.30%), 165R15 (-0.67%), 26x10.50R15 (+0.67%), 26x10.00R15 (+0.67%), 26x11.50R15 (+0.67%), 26x12.00R15 (+0.67%).

How many revolutions per mile does a 275/50R15 tire make?

About 781 revolutions per mile (circumference 81.1").

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.