CarSpecsHQ

275/50R19 tire size

275/50R19 is a metric size: 29.8" tall, 10.8" wide, on a 19" rim — about a 30x11.00R19. The sidewall is 5.4" and the tire turns 676 times per mile.

Diameter 29.8" sidewall 5.41" 19" rim width 275 mm (10.8")
275/50R19: 275 mm wide, sidewall 50% of the width (5.41"), on a 19" rim → 29.83" tall.

275/50R19 specs

Overall diameter (height)29.83" · 758 mm
Section width10.83" · 275 mm
Sidewall height5.41" · 138 mm (50% of width)
Rim diameter19"
Circumference93.70" · 2.380 m
Revolutions per mile676 (420 per km)
Inch (flotation) equivalent30x11.00R19

Equivalent sizes on a 19" 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
235/55R19 common29.18"-2.18%-40 mm58.7 mphcompare →
255/50R19 common29.04"-2.64%-20 mm58.4 mphcompare →
225/55R19 common28.74"-3.63%-50 mm57.8 mphcompare →
245/55R19 common29.61"-0.73%-30 mm59.6 mphcompare →
255/55R19 common30.04"+0.73%-20 mm60.4 mphcompare →
255/60R19 common31.05"+4.09%-20 mm62.5 mphcompare →
265/50R19 common29.43"-1.32%-10 mm59.2 mphcompare →
245/50R19 common28.65"-3.96%-30 mm57.6 mphcompare →
275/55R1930.91"+3.63%0 mm62.2 mphcompare →
275/45R1928.74"-3.63%0 mm57.8 mphcompare →
285/45R1929.10"-2.44%+10 mm58.5 mphcompare →
265/55R1930.48"+2.18%-10 mm61.3 mphcompare →
235/60R1930.10"+0.92%-40 mm60.6 mphcalculate →
265/45R1928.39"-4.82%-10 mm57.1 mphcalculate →
295/45R1929.45"-1.25%+20 mm59.2 mphcalculate →
235/65R1931.03"+4.03%-40 mm62.4 mphcalculate →
345/35R1928.51"-4.42%+70 mm57.3 mphcalculate →
175/80R1930.02"+0.66%-100 mm60.4 mphcalculate →
165/90R1930.69"+2.90%-110 mm61.7 mphcalculate →
315/40R1928.92"-3.04%+40 mm58.2 mphcalculate →
155/80R1928.76"-3.56%-120 mm57.9 mphcalculate →

Plus / minus sizing: 18" and 20" rims

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

SizeDiameterDifferenceWidthSpeedo at 60
245/60R18 common29.57"-0.84%-30 mm59.5 mphcompare →
255/50R20 common30.04"+0.71%-20 mm60.4 mphcompare →
235/65R18 common30.03"+0.67%-40 mm60.4 mphcompare →
245/50R20 common29.65"-0.61%-30 mm59.6 mphcompare →
275/45R20 common29.74"-0.28%0 mm59.8 mphcompare →
255/60R1830.05"+0.74%-20 mm60.4 mphcompare →
285/45R2030.10"+0.91%+10 mm60.5 mphcompare →
305/40R2029.61"-0.74%+30 mm59.6 mphcompare →
165/90R1829.69"-0.45%-110 mm59.7 mphcalculate →
275/55R1829.91"+0.28%0 mm60.2 mphcalculate →
175/70R2029.65"-0.61%-100 mm59.6 mphcalculate →

Try another size against 275/50R19

Questions

What size is 275/50R19 in inches?

275/50R19 is about 29.8" tall and 10.8" wide on a 19-inch rim — roughly a 30x11.00R19 in inch sizing.

What does 275/50R19 mean?

275 mm section width, sidewall 50% of the width (5.41"), radial construction, 19-inch rim.

What tire sizes are equivalent to 275/50R19?

On the same 19" rim, within 3% of the diameter: 175/80R19 (+0.66%), 245/55R19 (-0.73%), 255/55R19 (+0.73%), 235/60R19 (+0.92%), 295/45R19 (-1.25%), 265/50R19 (-1.32%).

How many revolutions per mile does a 275/50R19 tire make?

About 676 revolutions per mile (circumference 93.7").

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.