295/40R21 tire size
A 295/40R21 tire stands 30.3 inches tall and 11.6 inches wide, with a 4.6-inch sidewall on a 21-inch rim.
- Overall height
- 30.3 in769 mm
- Section width
- 11.6 in295 mm
- Sidewall height
- 4.6 in118 mm
- Rim diameter
- 21 in533 mm
- Circumference
- 95.2 in2417 mm
- Revolutions per mile
- 666414 per km
- Inch size
- 30.3x11.6R21
Compare it with any other size in the tire size calculator.
Sizes you can swap to
These 21-inch sizes are within two width steps and 3% of a 295/40R21's overall height, the usual limit before the speedometer, ABS and transmission notice. The closest is 285/40R21, 1.0% shorter (0.31 in). Wider sizes also need room in the wheel well and a rim width that suits them.
Plus and minus sizes
Changing rim size means changing the sidewall to keep the same overall height. On 19-inch or 20-inch or 22-inch rims, these are the closest matches to a 295/40R21.
Other 21-inch sizes near 295/40R21
295 mm wide, other sidewalls
40 series, other widths
See the other sizes for this rim on 21-inch tire sizes.
Shop 295/40R21 tires
These open each store's own list of 295/40R21 tires, where you can filter by type, load and speed rating.
295/40R21 questions
How tall is a 295/40R21 tire?
About 30.3 inches (769 mm) from the ground to the top of the tread, unloaded. On the vehicle, carrying weight, it sits a little lower.
What does 295/40R21 mean?
295 is the section width in millimetres (11.6 in). 40 means the sidewall is 40% of that width: 118 mm, or 4.6 in. R means radial construction, and 21 is the rim diameter in inches.
Can I use 285/40R21 instead of 295/40R21?
285/40R21 is 1.0% shorter (0.31 in) and 10 mm narrower, which is inside the usual 3% rule. With it fitted, the speedometer shows 60 mph when you are doing 59.4 mph.
What is 295/40R21 in inches?
In inch terms it is 30.3x11.6R21: 30.3 inches tall, 11.6 inches wide, for a 21-inch rim.
How many revolutions per mile does a 295/40R21 make?
About 666 turns per mile, worked out from its unloaded circumference of 95.2 inches. Makers list slightly higher numbers for their own tires, because a loaded tire rolls on a smaller radius.