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295/35R21 in inches

A 295/35R21 tire is 29.1″ tall and 11.6″ wide, and fits a 21″ wheel. In inches it is written 29.1×11.6R21.

Diameter29.13″
Width11.61″
Sidewall4.06″
295/35R21 drawn to scale: 29.13 inch diameter, 4.06 inch sidewall, 21 inch wheel, 11.61 inch tread width21″ wheel4.06″29.13″ overall11.61″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 295/35R21 tires really are

Heights published by Michelin and Toyo for all 17 tires in this size. Their published revolutions per mile work out to 28.2″ under load (below).

Real 295/35R21 tires measure 29.09–29.10″, against 29.13″ from the size code. Every one runs shorter than the size code.

Height under load28.2″

Published revs per mile (714–715) mean the tire rolls like a 28.2″ tire on the vehicle. Use this for speedometer calibration.

Weight spread30.9–37.7 lb

The lightest (Michelin Latitude Sport 3, XL) is 6.8 lb lighter per corner than the heaviest (Toyo Observe G3-Ice, XL).

17 tires in 295/35R21

Sort by the spec you care about.

LoadRevs/miSource
Michelin Latitude Sport 3PerformanceXL · 107Y29.1030.98.52,149715Spec page
Michelin Pilot Sport 4 SPerformanceXL · 107(Y)29.1031.18.02,149715Spec page
Michelin Pilot Sport All-Season 4PerformanceSL · 103V29.1031.19.01,929715Spec page
Michelin Latitude Sport 3PerformanceSL · 103Y29.1031.28.51,929715Spec page
Michelin Latitude Sport 3PerformanceXL · 107Y29.1031.28.52,149715Spec page
Michelin Latitude Sport 3PerformanceSL · 103Y29.1031.38.51,929715Spec page
Michelin Pilot Alpin 5WinterXL · 107V29.0931.310.52,150715Spec page
Michelin Pilot Sport 4 SUVPerformanceXL · 107(Y)29.1031.39.02,149715Spec page
Michelin Pilot Sport 4 SPerformanceXL · 107(Y)29.1031.59.02,149715Spec page
Michelin Latitude SportPerformanceXL · 107Y29.1032.68.51,954715Spec page
Michelin Pilot Sport All-Season 4PerformanceXL · 107V29.1032.69.02,149715Spec page
Michelin Pilot Sport All-Season 4PerformanceXL · 107Y29.1032.810.02,149715Spec page
Michelin Pilot Sport 4 SUVPerformanceXL · 107Y29.1034.49.52,149715Spec page
Toyo Proxes Sport 2PerformanceXL · 107Y29.1034.69.22,149714Spec page
Toyo Celsius SportPerformanceXL · 107Y29.0935.69.72,149714Spec page
Toyo Proxes ST IIIPerformanceXL · 107W29.0936.310.12,149714Spec page
Toyo Observe G3-IceWinterXL · 107T29.0937.712.02,149714Spec page

Is 295/35R21 a 29-inch tire?

≈29″

Yes. The size code works out to 29.13″, and the 17 tires here publish 29.09–29.10″, so people call it a 29.

All 29-inch tire sizes, on every wheel size.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 295/35R21Difference
325/30R2128.68-0.45″-1.6%
245/40R2128.72-0.41″-1.4%
285/35R2128.85-0.28″-0.9%
335/30R2128.91-0.22″-0.7%
225/45R2128.97-0.16″-0.5%
255/40R2129.03-0.10″-0.3%
345/30R2129.15+0.02″+0.1%
235/45R2129.33+0.20″+0.7%
265/40R2129.35+0.22″+0.7%
305/35R2129.41+0.28″+0.9%

How to read 295/35R21

How to read any tire size

295/35R21 107Y as printed on the tire sidewall, with each part numbered295/35R21 107Y123456
How 295/35R21 107Y is printed on the sidewall. It's the most common code among the 17 tires here (7 of them); tires in this size come in other load and speed ratings too.
1295Section width

295 mm across the widest point, or 11.61 inches. Every 295 size

235Aspect ratio

A percentage, not a measurement: the sidewall is 35% as tall as the tire is wide, which is 103.3 mm or 4.06 inches.

3RConstruction

Radial construction.

421Wheel diameter

Mounts on a 21-inch wheel. Approved wheel widths run 10.0″ to 11.5″.

5107Load index

Each tire carries up to 2,149 lb (975 kg) at its maximum pressure.

6YSpeed rating

Rated for up to 186 mph sustained.

XLExtra load

Printed after the size. In this size the XL tires carry up to 2,150 lb each and the standard-load tires up to 1,929 lb, as published.

SpecificationInchesMetric
Overall diameter29.13740 mm
Section width11.61295 mm
Sidewall height4.06103.3 mm
Circumference91.52,324 mm
Revolutions per mile (calculated, unloaded)692.4430 per km
Revolutions per mile (published by manufacturers)714–715444 per km
Approved wheel width10.0–11.5254–292 mm

Speedometer error after switching to 295/35R21

Your actual speed– mph

Questions about 295/35R21

What is 295/35R21 in inches?

29.13 inches tall, 11.61 inches wide, on a 21-inch wheel. Written in inches, that is roughly 29.1×11.6R21.

How much does a 295/35R21 tire weigh?

Between 30.9 lb and 37.7 lb for the 17 tires listed here. The lightest is the Michelin Latitude Sport 3 (XL); the heaviest is the Toyo Observe G3-Ice (XL).

What wheel width do I need for 295/35R21?

Manufacturers approve 10.0–11.5″ wide wheels for this size.

How many revolutions per mile does a 295/35R21 make?

Published figures run 714–715 revolutions per mile. The calculated figure is 692.4, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 295/35R21 than 255/40R21?

0.10 inches taller on paper (29.13″ vs 29.03″), which raises the axle about 0.05″. Your speedometer will read about 0.3% slow.