TireSizeCheck

235/55R19

A 235/55R19 tire is 29.18 inches tall and 9.3 inches wide, with a 5.09-inch sidewall, mounted on a 19-inch wheel.

Common fitments: RAV4, CX-5, Bronco Sport

Overall diameter

29.18″

741 mm

Sidewall height

5.09″

129.3 mm

Tread width

235 mm

9.3″

Circumference

91.66″

7.6 ft

Revs per mile

691

430 per km

Wheel diameter

19″

aspect ratio 55%

Cross-section

Overall diameter
29.18″
Sidewall (each side)
5.09″
Wheel
19″

235/55R19 in inches and millimeters

Every dimension of a 235/55R19, converted both ways. Calculated from the size code, accurate to about 1%.

Measurement Inches Millimeters
Overall diameter (height) 29.18″ 741 mm
Tread width 9.3″ 235 mm
Sidewall height 5.09″ 129.3 mm
Wheel diameter 19″ 483 mm
Circumference 91.66″ 2328 mm

Nominal dimensions from the size code. A real tire varies by a few millimeters between manufacturers, and a loaded tire sits slightly shorter than its free diameter.

235/55R19 compared with other sizes

All 29 practical swaps involving 235/55R19 — diameter change, speedometer impact and a fit verdict for each.

235/55R19 → 235/60R18

235/60R18

Diameter +0.3% · This fits

235/55R19 → 255/55R18

255/55R18

Diameter +0.5% · This fits

235/55R19 → 245/45R19

245/45R19

Diameter +5.4% · Too big a jump

235/55R19 → 275/40R19

275/40R19

Diameter +5.5% · Too big a jump

235/55R19 → 265/50R19

265/50R19

Diameter −0.9% · This fits

235/55R19 → 255/45R20

255/45R20

Diameter +0.5% · This fits

235/55R19 → 235/65R17

235/65R17

Diameter +0.5% · This fits

235/55R19 → 235/50R19

235/50R19

Diameter +3.3% · Borderline. Check clearance first

255/50R19 → 235/55R19

255/50R19

Diameter −0.5% · This fits

265/50R19 → 235/55R19

265/50R19

Diameter +0.9% · This fits

245/55R19 → 235/55R19

245/55R19

Diameter +1.5% · This fits

235/50R19 → 235/55R19

235/50R19

Diameter −3.2% · Borderline. Check clearance first

255/45R19 → 235/55R19

255/45R19

Diameter −3.9% · Borderline. Check clearance first

235/60R18 → 235/55R19

235/60R18

Diameter −0.3% · This fits

235/65R17 → 235/55R19

235/65R17

Diameter −0.5% · This fits

265/55R19 → 235/55R19

265/55R19

Diameter +4.5% · Borderline. Check clearance first

245/45R19 → 235/55R19

245/45R19

Diameter −5.1% · Too big a jump

275/40R19 → 235/55R19

275/40R19

Diameter −5.2% · Too big a jump

255/55R18 → 235/55R19

255/55R18

Diameter −0.5% · This fits

255/45R20 → 235/55R19

255/45R20

Diameter −0.5% · This fits

265/40R21 → 235/55R19

265/40R21

Diameter +0.6% · This fits

265/45R20 → 235/55R19

265/45R20

Diameter +0.7% · This fits

235/55R19 → 245/55R19

245/55R19

Diameter −1.5% · This fits

235/55R19 → 255/45R19

255/45R19

Diameter +4.1% · Borderline. Check clearance first

235/55R19 → 255/50R19

255/50R19

Diameter +0.5% · This fits

235/55R19 → 265/55R19

265/55R19

Diameter −4.3% · Borderline. Check clearance first

235/55R19 → 265/45R20

265/45R20

Diameter −0.7% · This fits

235/55R19 → 265/40R21

265/40R21

Diameter −0.6% · This fits

235/55R19 → 245/40R19

245/40R19

Diameter +9.2% · Too big a jump

Common questions

What is 235/55R19 in inches?
A 235/55R19 tire is 29.18 inches tall and 9.3 inches wide, with a 5.09-inch sidewall, mounted on a 19-inch wheel. In metric that is 741 mm tall and 235 mm wide. The circumference is 91.66 inches.
How tall is a 235/55R19 tire?
29.18 inches, or 741 mm. That is the overall diameter, wheel included. It turns about 691 times per mile, which is what your speedometer counts.
What do the numbers in 235/55R19 mean?
235 is the tread width in millimeters, 55 is the aspect ratio — the sidewall height as a percentage of the tread width — and 19 is the wheel diameter in inches. So the sidewall is 235 × 55% = 129.3 mm tall.