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265/70R17 tire size

265/70R17 is a metric size: 31.6" tall, 10.4" wide, on a 17" rim — about a 31.5x10.50R17. The sidewall is 7.3" and the tire turns 638 times per mile.

Diameter 31.6" sidewall 7.30" 17" rim width 265 mm (10.4")
265/70R17: 265 mm wide, sidewall 70% of the width (7.30"), on a 17" rim → 31.61" tall.

265/70R17 specs

Overall diameter (height)31.61" · 803 mm
Section width10.43" · 265 mm
Sidewall height7.30" · 186 mm (70% of width)
Rim diameter17"
Circumference99.29" · 2.522 m
Revolutions per mile638 (396 per km)
Inch (flotation) equivalent31.5x10.50R17

Equivalent sizes on a 17" rim

Sizes within ±5% of the overall diameter. Green rows are inside the usual ±3% limit for keeping the speedometer, ABS and gearing right; red rows are bigger changes that need clearance checks.

SizeDiameterDifferenceWidthSpeedo at 60
245/70R17 common30.50"-3.49%-20 mm57.9 mphcompare →
285/70R17 common32.71"+3.49%+20 mm62.1 mphcompare →
245/75R17 common31.47"-0.44%-20 mm59.7 mphcompare →
265/65R17 common30.56"-3.30%0 mm58.0 mphcompare →
235/80R17 common31.80"+0.62%-30 mm60.4 mphcompare →
255/65R17 common30.05"-4.92%-10 mm57.0 mphcompare →
255/70R17 common31.06"-1.74%-10 mm59.0 mphcompare →
255/75R1732.06"+1.43%-10 mm60.9 mphcompare →
235/75R1730.88"-2.30%-30 mm58.6 mphcompare →
33x12.50R1733.00"+4.41%+53 mm62.6 mphcompare →
275/70R1732.16"+1.74%+10 mm61.0 mphcompare →
255/80R1733.06"+4.61%-10 mm62.8 mphcompare →
305/65R1732.61"+3.18%+40 mm61.9 mphcompare →
225/75R1730.29"-4.17%-40 mm57.5 mphcompare →
275/65R1731.07"-1.68%+10 mm59.0 mphcalculate →
285/65R1731.59"-0.06%+20 mm60.0 mphcalculate →
315/60R1731.88"+0.87%+50 mm60.5 mphcalculate →
32x11.50R1732.00"+1.25%+27 mm60.7 mphcalculate →
31x10.50R1731.00"-1.92%+2 mm58.8 mphcalculate →
315/55R1730.64"-3.05%+50 mm58.2 mphcalculate →
33x10.50R1733.00"+4.41%+2 mm62.6 mphcalculate →
33x11.50R1733.00"+4.41%+27 mm62.6 mphcalculate →
33x13.50R1733.00"+4.41%+78 mm62.6 mphcalculate →
33x13.00R1733.00"+4.41%+65 mm62.6 mphcalculate →
33x9.50R1733.00"+4.41%-24 mm62.6 mphcalculate →
32x10.50R1732.00"+1.25%+2 mm60.7 mphcalculate →
235/85R1732.73"+3.55%-30 mm62.1 mphcalculate →
285/60R1730.46"-3.61%+20 mm57.8 mphcalculate →

Plus / minus sizing: 16" and 18" rims

Same overall height on a different rim. Check wheel width and clearance before switching.

SizeDiameterDifferenceWidthSpeedo at 60
265/75R16 common31.65"+0.14%0 mm60.1 mphcompare →
265/65R18 common31.56"-0.14%0 mm59.9 mphcompare →
235/85R16 common31.73"+0.39%-30 mm60.2 mphcompare →
285/60R1831.46"-0.45%+20 mm59.7 mphcompare →
245/70R1831.50"-0.32%-20 mm59.8 mphcalculate →
285/70R1631.71"+0.32%+20 mm60.2 mphcalculate →

Try another size against 265/70R17

Questions

What size is 265/70R17 in inches?

265/70R17 is about 31.6" tall and 10.4" wide on a 17-inch rim — roughly a 31.5x10.50R17 in inch sizing.

What does 265/70R17 mean?

265 mm section width, sidewall 70% of the width (7.30"), radial construction, 17-inch rim.

What tire sizes are equivalent to 265/70R17?

On the same 17" rim, within 3% of the diameter: 285/65R17 (-0.06%), 245/75R17 (-0.44%), 235/80R17 (+0.62%), 315/60R17 (+0.87%), 32x10.50R17 (+1.25%), 32x11.50R17 (+1.25%).

How many revolutions per mile does a 265/70R17 tire make?

About 638 revolutions per mile (circumference 99.3").

How these numbers are computed

Diameter = rim + 2 × sidewall, sidewall = width × aspect ÷ 100, circumference = π × diameter, revolutions per mile = 63,360 ÷ circumference. Real tires differ by brand by a few tenths of an inch. Last reviewed October 14, 2026.