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295/25R21 in inches

A 295/25R21 tire is 26.8″ tall and 11.6″ wide, and fits a 21″ wheel. In inches it is written 26.8×11.6R21.

Diameter26.81″
Width11.61″
Sidewall2.90″
295/25R21 drawn to scale: 26.81 inch diameter, 2.90 inch sidewall, 21 inch wheel, 11.61 inch tread width21″ wheel2.90″26.81″ overall11.61″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 295/25R21 tires really are

Heights published by Michelin for all 2 tires in this size. Their published revolutions per mile work out to 26.0″ under load (below).

Real 295/25R21 tires measure 26.80″, against 26.81″ from the size code. They run both taller and shorter than the size code.

Height under load26.0″

Published revs per mile (776) mean the tire rolls like a 26.0″ tire on the vehicle. Use this for speedometer calibration.

Weight spread29.4–29.7 lb

The lightest (Michelin Pilot Sport 4 S, XL) is 0.3 lb lighter per corner than the heaviest (Michelin Pilot Sport 4 S, XL).

2 tires in 295/25R21

Sort by the spec you care about.

LoadRevs/miSource
Michelin Pilot Sport 4 SPerformanceXL · 96(Y)26.8029.48.51,565776Spec page
Michelin Pilot Sport 4 SPerformanceXL · 96(Y)26.8029.79.51,565776Spec page

Is 295/25R21 a 27-inch tire?

≈27″

Yes. The size code works out to 26.81″, and the 2 tires here publish 26.80″, so people call it a 27.

All 27-inch tire sizes, on every wheel size.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 295/25R21Difference
275/25R2126.41-0.39″-1.5%
285/30R2026.73-0.07″-0.3%
245/35R2026.75-0.06″-0.2%
245/30R2126.79-0.02″-0.1%
295/30R2026.97+0.16″+0.6%
305/25R2127.00+0.20″+0.7%
255/30R2127.02+0.22″+0.8%
265/30R2127.26+0.45″+1.7%
325/25R2127.40+0.59″+2.2%
275/30R2127.50+0.69″+2.6%

How to read 295/25R21

How to read any tire size

295/25R21 96Y as printed on the tire sidewall, with each part numbered295/25R21 96Y123456
How 295/25R21 96Y is printed on the sidewall. It's the most common code among the 2 tires here; 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

225Aspect ratio

A percentage, not a measurement: the sidewall is 25% as tall as the tire is wide, which is 73.8 mm or 2.90 inches.

3RConstruction

Radial construction.

421Wheel diameter

Mounts on a 21-inch wheel. Approved wheel widths run 10.0″ to 11.0″.

596Load index

Each tire carries up to 1,565 lb (710 kg) at its maximum pressure.

6YSpeed rating

Rated for up to 186 mph sustained.

XLExtra load

Printed after the size.

SpecificationInchesMetric
Overall diameter26.81681 mm
Section width11.61295 mm
Sidewall height2.9073.8 mm
Circumference84.22,139 mm
Revolutions per mile (calculated, unloaded)752.3467 per km
Revolutions per mile (published by manufacturers)776482 per km
Approved wheel width10.0–11.0254–279 mm

Speedometer error after switching to 295/25R21

Your actual speed– mph

Questions about 295/25R21

What is 295/25R21 in inches?

26.81 inches tall, 11.61 inches wide, on a 21-inch wheel. Written in inches, that is roughly 26.8×11.6R21.

How much does a 295/25R21 tire weigh?

Between 29.4 lb and 29.7 lb for the 2 tires listed here. The lightest is the Michelin Pilot Sport 4 S (XL); the heaviest is the Michelin Pilot Sport 4 S (XL).

What wheel width do I need for 295/25R21?

Manufacturers approve 10.0–11.0″ wide wheels for this size.

How many revolutions per mile does a 295/25R21 make?

Published figures run 776 revolutions per mile. The calculated figure is 752.3, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 295/25R21 than 245/30R21?

0.02 inches taller on paper (26.81″ vs 26.79″), which raises the axle about 0.01″. Your speedometer will read about 0.1% slow.