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295/40R21 tires
295/40R21 reads off the tire sidewall: 295 mm of section width, a sidewall whose height is 40% of that width, and a 21 in mounting diameter.
- 1 model
Models
The models we carry in this size, sorted by brand.
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This size, measured
These figures are derived from the three numbers, not entered by hand: it is the same arithmetic as the size equivalence calculator.
- Sidewall height
- 118 mm
- Overall diameter
- 769.4 mm · 30.29 in
- Circumference
- 2,417.1 mm · 95.16 in
- Revolutions per mile
- 666 rev.
- Section width
- 11.61 in
- Usable mounting width
- 8 to 10.5 in
Usable mounting width is a trade rule of thumb, roughly 70 to 90% of section width. It is not a standard. The exact range is whatever the manufacturer publishes for that model.
Equivalent sizes
Sizes whose overall diameter stays within 3% of this one. The ones we carry link to their own page. These are computed suggestions, not a guarantee of fit: the vehicle manual decides.
| Size | Overall diameter | Gap | In the catalogue |
|---|---|---|---|
| 295/40R21Original size | 769.4 mm | 0 %Identical diameter | — |
| 265/35R23 | 769.7 mm | +0.04 %Within tolerance | — |
| 265/40R22 | 770.8 mm | +0.18 %Within tolerance | In the catalogue |
| 325/40R20 | 768 mm | -0.18 %Within tolerance | — |
| 285/50R19 | 767.6 mm | -0.23 %Within tolerance | — |
| 305/30R23 | 767.2 mm | -0.29 %Within tolerance | — |
| 265/45R21 | 771.9 mm | +0.32 %Within tolerance | In the catalogue |
| 305/35R22 | 772.3 mm | +0.38 %Within tolerance | — |
| 315/45R19 | 766.1 mm | -0.43 %Within tolerance | — |
| 265/50R20 | 773 mm | +0.47 %Within tolerance | In the catalogue |
| 315/30R23 | 773.2 mm | +0.49 %Within tolerance | — |
| 295/35R22 | 765.3 mm | -0.53 %Within tolerance | — |
| 295/45R20 | 773.5 mm | +0.53 %Within tolerance | — |
| 265/55R19 | 774.1 mm | +0.61 %Within tolerance | In the catalogue |
| 285/45R20 | 764.5 mm | -0.64 %Within tolerance | — |
| 325/45R19 | 775.1 mm | +0.74 %Within tolerance | — |
| 285/40R21 | 761.4 mm | -1.04 %Within tolerance | In the catalogue |
| 275/40R22 | 778.8 mm | +1.22 %Within tolerance | In the catalogue |
| 275/45R21 | 780.9 mm | +1.49 %Within tolerance | In the catalogue |
| 275/50R20 | 783 mm | +1.77 %Within tolerance | In the catalogue |
| 275/45R20 | 755.5 mm | -1.81 %Within tolerance | In the catalogue |
| 275/40R21 | 753.4 mm | -2.08 %For reference only | In the catalogue |
| 265/50R19 | 747.6 mm | -2.83 %For reference only | In the catalogue |
| 265/45R20 | 746.5 mm | -2.98 %For reference only | In the catalogue |
Other ways to browse
Every size, every brand and every season has its own page: the models offered, the technical sheet and the equivalents.