255/40R19 tire size
A 255/40R19 tire is 27.03 in (686.6 mm) tall and 10.04 in (255.0 mm) wide, and turns 746 revolutions per mile.
- 27.03 inOverall diameter
- 4.02 inSidewall height
- 746Revolutions per mile
- 27.0x10.0R19Flotation equivalent
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter | 27.03 in | 686.6 mm |
| Section width | 10.04 in | 255.0 mm |
| Sidewall height | 4.02 in | 102.0 mm |
| Rim diameter | 19.00 in | 482.6 mm |
| Circumference | 84.92 in | 2,157 mm |
| Revolutions per mile | 746 | |
| Flotation equivalent | 27.0x10.0R19 (approx.) | |
255/40R19 is a 19-inch tire with a 255 mm (10.04 in) section width and a 40% aspect ratio, giving a 4.02-inch sidewall and a flotation-style size of about 27.0x10.0R19.
Its overall diameter is 27.03 inches, so it rolls 84.9 inches per revolution and turns about 746 times per mile.
67 other sizes in this list are within 3% of that diameter.
Compare 255/40R19 with plausible swaps
- 255/50R17 vs 255/40R19 (+0.03%)
- 215/60R17 vs 255/40R19 (+0.47%)
- 235/55R17 vs 255/40R19 (+0.54%)
- 225/50R18 vs 255/40R19 (−0.64%)
- 285/40R18 vs 255/40R19 (−0.20%)
- 255/45R18 vs 255/40R19 (+0.01%)
- 235/50R18 vs 255/40R19 (+0.82%)
- 295/40R18 vs 255/40R19 (+0.96%)
- 255/35R19 vs 255/40R19 (−3.71%)
- 235/40R19 vs 255/40R19 (−2.33%)
- 245/40R19 vs 255/40R19 (−1.17%)
- 285/35R19 vs 255/40R19 (−0.66%)
- 225/45R19 vs 255/40R19 (−0.22%)
- 255/40R19 vs 295/35R19 (+0.36%)
- 255/40R19 vs 265/40R19 (+1.17%)
- 255/40R19 vs 275/40R19 (+2.33%)
- 255/40R19 vs 255/45R19 (+3.71%)
- 255/40R19 vs 245/35R20 (−1.03%)
- 255/40R19 vs 295/30R20 (−0.23%)
- 255/40R19 vs 255/35R20 (−0.01%)
- 255/40R19 vs 225/40R20 (+0.20%)
- 255/40R19 vs 265/35R20 (+1.00%)
Sizes within 3% of 27.03 in diameter
- 255/35R20 27.03 in (−0.01%)
- 255/45R18 27.04 in (+0.01%)
- 255/50R17 27.04 in (+0.03%)
- 215/65R16 27.00 in (−0.10%)
- 27x8.50R14 27.00 in (−0.12%)
- 285/40R18 26.98 in (−0.20%)
- 225/40R20 27.09 in (+0.20%)
- 225/45R19 26.97 in (−0.22%)
- 295/30R20 26.97 in (−0.23%)
- 235/60R16 27.10 in (+0.26%)
- 205/75R15 27.11 in (+0.28%)
- 295/35R19 27.13 in (+0.36%)
- 215/60R17 27.16 in (+0.47%)
- 235/55R17 27.18 in (+0.54%)
- 225/50R18 26.86 in (−0.64%)
- 285/35R19 26.85 in (−0.66%)
- 215/70R15 26.85 in (−0.67%)
- 235/50R18 27.25 in (+0.82%)
- 225/75R14 27.29 in (+0.95%)
- 295/40R18 27.29 in (+0.96%)
- 265/35R20 27.30 in (+1.00%)
- 245/35R20 26.75 in (−1.03%)
- 215/55R18 27.31 in (+1.03%)
- 225/55R17 26.74 in (−1.06%)
- 235/45R19 27.33 in (+1.09%)
- 285/30R20 26.73 in (−1.11%)
- 245/40R19 26.72 in (−1.17%)
- 265/40R19 27.35 in (+1.17%)
- 215/75R14 26.70 in (−1.24%)
- 245/45R18 26.68 in (−1.30%)
- 265/45R18 27.39 in (+1.33%)
- 275/40R18 26.66 in (−1.37%)
- 225/70R15 27.40 in (+1.37%)
- 305/35R19 27.41 in (+1.38%)
- 245/50R17 26.65 in (−1.43%)
- 225/60R16 26.63 in (−1.49%)
- 275/35R19 26.58 in (−1.67%)
- 275/30R21 27.50 in (+1.72%)
- 225/65R16 27.52 in (+1.79%)
- 225/65R15 26.52 in (−1.91%)
- 275/30R20 26.50 in (−1.98%)
- 205/65R16 26.49 in (−2.00%)
- 245/60R16 27.57 in (+2.01%)
- 275/35R20 27.58 in (+2.02%)
- 235/35R20 26.48 in (−2.05%)
- 215/50R18 26.46 in (−2.10%)
- 245/55R17 27.61 in (+2.14%)
- 225/60R17 27.63 in (+2.21%)
- 245/50R18 27.65 in (+2.27%)
- 225/70R14 26.40 in (−2.33%)
- 235/40R19 26.40 in (−2.33%)
- 275/40R19 27.66 in (+2.33%)
- 245/45R19 27.68 in (+2.40%)
- 215/75R15 27.70 in (+2.46%)
- 265/40R18 26.35 in (−2.53%)
- 245/40R20 27.72 in (+2.53%)
- 235/45R18 26.33 in (−2.61%)
- 225/55R18 27.74 in (+2.64%)
- 275/45R18 27.74 in (+2.64%)
- 215/55R17 26.31 in (−2.67%)
- 245/35R21 27.75 in (+2.67%)
- 265/35R19 26.30 in (−2.69%)
- 205/70R15 26.30 in (−2.71%)
- 245/30R22 27.79 in (+2.80%)
- 265/30R20 26.26 in (−2.85%)
- 295/25R22 27.81 in (+2.87%)
- 235/50R17 26.25 in (−2.88%)
Open 255/40R19 in the tire size calculator
Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.