245/35R21 tire size
A 245/35R21 tire is 27.75 in (704.9 mm) tall and 9.65 in (245.0 mm) wide, and turns 727 revolutions per mile.
- 27.75 inOverall diameter
- 3.38 inSidewall height
- 727Revolutions per mile
- 27.8x9.6R21Flotation equivalent
| Measurement | Inches | Millimeters |
|---|---|---|
| Overall diameter | 27.75 in | 704.9 mm |
| Section width | 9.65 in | 245.0 mm |
| Sidewall height | 3.38 in | 85.8 mm |
| Rim diameter | 21.00 in | 533.4 mm |
| Circumference | 87.19 in | 2,215 mm |
| Revolutions per mile | 727 | |
| Flotation equivalent | 27.8x9.6R21 (approx.) | |
245/35R21 is a 21-inch tire with a 245 mm (9.65 in) section width and a 35% aspect ratio, giving a 3.38-inch sidewall and a flotation-style size of about 27.8x9.6R21.
Its overall diameter is 27.75 inches, so it rolls 87.2 inches per revolution and turns about 727 times per mile.
74 other sizes in this list are within 3% of that diameter.
Compare 245/35R21 with plausible swaps
- 275/40R19 vs 245/35R21 (−0.33%)
- 245/45R19 vs 245/35R21 (−0.26%)
- 225/50R19 vs 245/35R21 (+0.38%)
- 285/40R19 vs 245/35R21 (+0.81%)
- 275/35R20 vs 245/35R21 (−0.62%)
- 245/40R20 vs 245/35R21 (−0.13%)
- 285/35R20 vs 245/35R21 (+0.37%)
- 255/40R20 vs 245/35R21 (+1.01%)
- 275/30R21 vs 245/35R21 (−0.92%)
- 245/35R21 vs 295/30R21 (+0.78%)
- 245/35R21 vs 255/35R21 (+0.99%)
- 245/35R21 vs 265/35R21 (+1.99%)
- 245/35R21 vs 245/40R21 (+3.48%)
- 245/35R21 vs 245/30R22 (+0.13%)
- 245/35R21 vs 295/25R22 (+0.20%)
- 245/35R21 vs 255/30R22 (+0.98%)
Sizes within 3% of 27.75 in diameter
- 225/55R18 27.74 in (−0.03%)
- 275/45R18 27.74 in (−0.03%)
- 245/40R20 27.72 in (−0.13%)
- 245/30R22 27.79 in (+0.13%)
- 215/75R15 27.70 in (−0.20%)
- 295/25R22 27.81 in (+0.20%)
- 245/45R19 27.68 in (−0.26%)
- 275/40R19 27.66 in (−0.33%)
- 215/70R16 27.85 in (+0.35%)
- 285/35R20 27.85 in (+0.37%)
- 245/50R18 27.65 in (−0.38%)
- 225/50R19 27.86 in (+0.38%)
- 225/60R17 27.63 in (−0.44%)
- 245/55R17 27.61 in (−0.51%)
- 275/35R20 27.58 in (−0.62%)
- 245/60R16 27.57 in (−0.64%)
- 235/70R15 27.95 in (+0.72%)
- 295/30R21 27.97 in (+0.78%)
- 285/40R19 27.98 in (+0.81%)
- 225/65R16 27.52 in (−0.85%)
- 215/65R17 28.00 in (+0.91%)
- 275/30R21 27.50 in (−0.92%)
- 255/30R22 28.02 in (+0.98%)
- 235/65R16 28.03 in (+0.99%)
- 255/35R21 28.03 in (+0.99%)
- 255/40R20 28.03 in (+1.01%)
- 255/45R19 28.04 in (+1.02%)
- 255/50R18 28.04 in (+1.04%)
- 285/45R18 28.10 in (+1.25%)
- 305/35R19 27.41 in (−1.25%)
- 225/70R15 27.40 in (−1.26%)
- 235/60R17 28.10 in (+1.26%)
- 205/75R16 28.11 in (+1.28%)
- 265/45R18 27.39 in (−1.31%)
- 295/35R20 28.13 in (+1.36%)
- 265/40R19 27.35 in (−1.46%)
- 235/55R18 28.18 in (+1.53%)
- 235/45R19 27.33 in (−1.53%)
- 215/55R18 27.31 in (−1.59%)
- 265/35R20 27.30 in (−1.62%)
- 305/30R21 28.20 in (+1.63%)
- 295/40R18 27.29 in (−1.66%)
- 225/75R14 27.29 in (−1.67%)
- 235/50R18 27.25 in (−1.80%)
- 235/50R19 28.25 in (+1.80%)
- 265/30R22 28.26 in (+1.83%)
- 225/75R15 28.29 in (+1.93%)
- 295/40R19 28.29 in (+1.94%)
- 265/35R21 28.30 in (+1.99%)
- 235/55R17 27.18 in (−2.07%)
- 235/45R20 28.33 in (+2.07%)
- 215/60R17 27.16 in (−2.14%)
- 265/40R20 28.35 in (+2.14%)
- 295/35R19 27.13 in (−2.24%)
- 265/45R19 28.39 in (+2.30%)
- 205/75R15 27.11 in (−2.33%)
- 235/60R16 27.10 in (−2.34%)
- 225/70R16 28.40 in (+2.34%)
- 225/40R20 27.09 in (−2.40%)
- 265/50R18 28.43 in (+2.45%)
- 255/50R17 27.04 in (−2.57%)
- 255/45R18 27.04 in (−2.58%)
- 255/40R19 27.03 in (−2.60%)
- 255/35R20 27.03 in (−2.61%)
- 275/30R22 28.50 in (+2.68%)
- 215/65R16 27.00 in (−2.70%)
- 27x8.50R14 27.00 in (−2.71%)
- 225/65R17 28.52 in (+2.75%)
- 285/40R18 26.98 in (−2.79%)
- 225/45R19 26.97 in (−2.81%)
- 295/30R20 26.97 in (−2.82%)
- 245/65R16 28.54 in (+2.84%)
- 245/60R17 28.57 in (+2.96%)
- 275/35R21 28.58 in (+2.98%)
Open 245/35R21 in the tire size calculator
Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.