tireheight.com

225/70R14 in inches

A 225/70R14 tire is 26.4″ tall and 8.9″ wide, and fits a 14″ wheel. In inches it is written 26.4×8.9R14.

Diameter26.40″
Width8.86″
Sidewall6.20″
225/70R14 drawn to scale: 26.40 inch diameter, 6.20 inch sidewall, 14 inch wheel, 8.86 inch tread width14″ wheel6.20″26.40″ overall8.86″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 225/70R14 tires really are

Heights published by BFGoodrich and General for all 2 tires in this size. Their published revolutions per mile work out to 25.6–25.7″ under load (below).

Real 225/70R14 tires measure 26.40–26.46″, against 26.40″ from the size code. They run both taller and shorter than the size code.

Height under load25.6–25.7″

Published revs per mile (786–787) mean the tire rolls like a 25.6–25.7″ tire on the vehicle. Use this for speedometer calibration.

Weight spread23.2–29.3 lb

The lightest (General AltiMAX RT45, SL) is 6.1 lb lighter per corner than the heaviest (BFGoodrich Radial T/A, SL).

2 tires in 225/70R14

Sort by the spec you care about.

LoadRevs/miSource
General AltiMAX RT45TouringSL · 99T26.4023.211.01,709787Spec page
BFGoodrich Radial T/APerformanceSL · 98S26.4629.312.01,675786Spec page

Is 225/70R14 a 26-inch tire?

≈26″

Close. The size code works out to 26.40″, and the 2 tires here publish 26.40–26.46″, so people call it a 26.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 225/70R14Difference
195/75R1425.52-0.89″-3.4%
245/60R1425.57-0.83″-3.1%
215/70R1425.85-0.55″-2.1%
205/75R1426.11-0.30″-1.1%
205/70R1526.30-0.10″-0.4%
245/60R1526.57+0.17″+0.7%
295/50R1526.61+0.21″+0.8%
27×11.00R1427.00+0.60″+2.3%
27×8.50R1427.00+0.60″+2.3%
27×9.00R1427.00+0.60″+2.3%

How to read 225/70R14

How to read any tire size

P225/70R14 98S as printed on the tire sidewall, with each part numberedP225/70R14 98S1234567
How P225/70R14 98S is printed on the sidewall. It's the most common code among the 2 tires here (1 of them); tires in this size come in other load and speed ratings too.
1PP-metric

Marks a P-metric (passenger) tire. Sizes with no letter are Euro-metric.

2225Section width

225 mm across the widest point, or 8.86 inches. Every 225 size

370Aspect ratio

A percentage, not a measurement: the sidewall is 70% as tall as the tire is wide, which is 157.5 mm or 6.20 inches.

4RConstruction

Radial construction.

514Wheel diameter

Mounts on a 14-inch wheel. Approved wheel widths run 6.0″ to 7.5″.

698Load index

Each tire carries up to 1,653 lb (750 kg) at its maximum pressure.

7SSpeed rating

Rated for up to 112 mph sustained.

SpecificationInchesMetric
Overall diameter26.40671 mm
Section width8.86225 mm
Sidewall height6.20157.5 mm
Circumference82.92,107 mm
Revolutions per mile (calculated, unloaded)763.9475 per km
Revolutions per mile (published by manufacturers)786–787488–489 per km
Approved wheel width6.0–7.5152–191 mm

Speedometer error after switching to 225/70R14

Your actual speed– mph

Questions about 225/70R14

What is 225/70R14 in inches?

26.40 inches tall, 8.86 inches wide, on a 14-inch wheel. Written in inches, that is roughly 26.4×8.9R14.

How much does a 225/70R14 tire weigh?

Between 23.2 lb and 29.3 lb for the 2 tires listed here. The lightest is the General AltiMAX RT45 (SL); the heaviest is the BFGoodrich Radial T/A (SL).

What wheel width do I need for 225/70R14?

Manufacturers approve 6.0–7.5″ wide wheels for this size.

How many revolutions per mile does a 225/70R14 make?

Published figures run 786–787 revolutions per mile. The calculated figure is 763.9, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 225/70R14 than 205/75R14?

0.30 inches taller on paper (26.40″ vs 26.11″), which raises the axle about 0.15″. Your speedometer will read about 1.1% slow.