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225/70R15 tire size

A 225/70R15 tire is 225 mm wide with a 157.5 mm sidewall, 70% of the width, on a 15-inch rim, which puts the whole tire at 696.0 mm, or about 27.4 inches, tall. No model in our data leaves the factory on it, but it can replace the original size on 2 models within 3% of the height.

Overall height

696.0 mm

27.4 in

Sidewall

157.5 mm

70%

Circumference

2,187 mm

Revs per km

457

Actual dimensions of 225/70R15

Section width225 mm (8.9 in)
Sidewall height157.5 mm (6.20 in)
Rim diameter15 in (381.0 mm)
Overall diameter696.0 mm (27.4 in)
Circumference2,187 mm
Revolutions per km457
Inch notation (height x width)27.4x8.9R15
225 mm157.5 mm15 in

Worked out: sidewall 225 x 0.7 = 157.5 mm, rim 15 x 25.4 = 381 mm, overall 381 + (157.5 x 2) = 696.0 mm, circumference 3.1416 x 696.0 = 2,187 mm. One turn of the tire moves the car about 2.19 m, which is 457 turns per kilometer. New to sidewall codes? See how to read a tire size.

These are nominal figures from the standard formula. Real tires vary slightly by brand and squat a little under the weight of the car.

Cars fitted with 225/70R15 from the factory

No model sold in Thailand in our data leaves the factory on 225/70R15.

Cars that can switch to 225/70R15

These cars leave the factory on another size within 3% of the height of 225/70R15. Whether it fits still depends on rim width and wheel-well clearance.

ModelFactory sizeHeight differenceWheel
Isuzu D-Max2020–present215/70R15+2.05%Same wheel
MG ExtenderCurrent model215/70R15+2.05%Same wheel

Sizes that can replace 225/70R15

Sizes within ±3% of the overall height of 225/70R15. “At 100 km/h” is the real speed when the speedometer reads 100.

SizeHeightDifferenceAt 100 km/hSidewallMatchCompare
235/55R17690.3 mm−5.7 mm (−0.82%)99.2 km/h129.3 mmCloseCompare
225/60R17701.8 mm+5.8 mm (+0.83%)100.8 km/h135.0 mmCloseCompare
215/60R17689.8 mm−6.2 mm (−0.89%)99.1 km/h129.0 mmCloseCompare
215/65R16685.9 mm−10.1 mm (−1.45%)98.5 km/h139.8 mmCloseCompare
215/70R16707.4 mm+11.4 mm (+1.64%)101.6 km/h150.5 mmCloseCompare
215/70R15682.0 mm−14.0 mm (−2.01%)98.0 km/h150.5 mmWithin rangeCompare
215/65R17711.3 mm+15.3 mm (+2.20%)102.2 km/h139.8 mmWithin rangeCompare
225/55R17679.3 mm−16.7 mm (−2.40%)97.6 km/h123.8 mmWithin rangeCompare
  • Keeping your wheels, the closest is 215/70R15 at 682.0 mm, −14.0 mm (−2.01%) from the original. With the speedometer on 100 km/h, the car would actually be doing about 98.0 km/h. Ground clearance drops by about 7.0 mm.
  • Moving up to 16-inch wheels, the closest height match is 215/65R16 (−1.45%), with the sidewall dropping from 157.5 mm to 139.8 mm.
  • A larger or wider tire also changes acceleration, fuel use and steering weight, so look beyond the percentage.

Buying 225/70R15 tires

Pickup sizes like this come in quieter, softer H/T tread for paved roads and A/T tread for gravel, which costs more and is noisier. Choose for the roads you actually drive.

Check the production date in the DOT code before paying.

Check current prices

Search by brand

Links open marketplace search results; prices change constantly and not every brand makes this size.

Load index and speed rating for 225/70R15

The code after the size on the sidewall, as in 225/70R15 100S, is the load index and speed symbol. The common ratings for this size:

VersionIndexPer tireFour tires
Standard load (SL)100800 kg3,200 kg

The new tire's load index and speed symbol must be no lower than the door placard, and it only carries its rated load at the correct pressure.

Common speed symbols in this size

S

180 km/h

T

190 km/h

H

210 km/h

225/70R15 questions

How tall is a 225/70R15 tire?

About 27.4 inches, or 696.0 mm, from top to bottom before it carries weight. Each sidewall is 157.5 mm tall and the tire is 225 mm (8.9 in) wide.

Which cars use 225/70R15 tires?

No car in our data is fitted with 225/70R15 from the factory, but its height is close to the original size on Isuzu D-Max and MG Extender, so it works as a replacement size.

Can I fit 215/70R15 instead of 225/70R15?

Size-wise, yes: the height differs by −2.01% (−14.0 mm), so an indicated 100 km/h is really about 98.0 km/h. The tread is 10 mm narrower. Check rim width and load index first.

How much weight can a 225/70R15 tire carry?

Most standard-load versions carry load index 100: 800 kg per tire, 3,200 kg across four. Look for the number after the size on the sidewall, as in 225/70R15 100S.

See the full tire size chart →

To compare other sizes yourself, use the tire size calculator; changing rim size, try plus/minus sizing; and see speedometer error by speed.