225/70R22 Tire Size in Inches

34.4" tall, 8.9" wide, 6.2" sidewall

Diameter34.4"874 mm
Overall diameter34.4"874 mm
Section width8.9"225 mm
Sidewall height6.2"158 mm
Circumference108.1"2745 mm
Revolutions per mile586364 per km
Wheel diameter22"≈ 34.4x8.9R22 in inches

A 225/70R22 tire is 34.4 inches (874 mm) tall and 8.9 inches wide. The sidewall is 70% of the width, 6.2 inches, on a 22-inch wheel, and the tire turns about 586 times per mile.

In flotation terms that is about 34.4x8.9R22, closest to the common 35x12.50R22 (35.0"). People often call it a 34-inch tire.

The size most often compared with it is 245/70R22, which is 1.1" taller (+3.2%). At an indicated 60 mph you would be doing 61.9 mph on it, more than the 3% change many shops use as a limit.

225/70R22
245/70R22
Diameter difference+3.20%diameter 34.40" → 35.50"
CurrentNew
CurrentNewDifference

Speedometer

ShowsActual speed

Gear ratio to match

–enter your current axle ratio

Sizes near 225/70R22

Same 22" wheel, within 20 mm of width and 10 points of aspect ratio.

SizeDiameterWidthSidewallvs 225/70R22
245/70R2235.5"9.6"6.8"+3.2%

Same height on a different wheel

Sizes within 2% of 34.4" on 20" or 24" wheels.

SizeDiameterWidthSidewallvs 225/70R22
305/60R2034.4"12.0"7.2"+0.0%
295/45R2434.5"11.6"5.2"+0.1%
285/65R2034.6"11.2"7.3"+0.5%
265/70R2034.6"10.4"7.3"+0.6%
275/65R2034.1"10.8"7.0"−0.9%
325/55R2034.1"12.8"7.0"−0.9%

Speedometer with a different size

Actual speed when the speedometer is calibrated for 225/70R22.

Speedometer showson 245/70R22
30 mph31.0 mph
45 mph46.4 mph
60 mph61.9 mph
70 mph72.2 mph

225/70R22 FAQ

How tall is a 225/70R22 tire?

34.4 inches (874 mm). The sidewall is 6.2 inches.

How wide is a 225/70R22 tire?

8.9 inches (225 mm) section width, measured sidewall to sidewall.

What is 225/70R22 in flotation size?

About 34.4x8.9R22; the closest common flotation size is 35x12.50R22 at 35.0".

Can I use 245/70R22 instead of 225/70R22?

245/70R22 is +3.2% in diameter, more than the common 3% guideline, so expect a speedometer error and check clearance. It is 0.8" wider.