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245/75R16 tire size

245/75R16 is a metric size: 30.5" tall, 9.6" wide, on a 16" rim — about a 30.5x9.50R16. The sidewall is 7.2" and the tire turns 662 times per mile.

Diameter 30.5" sidewall 7.23" 16" rim width 245 mm (9.6")
245/75R16: 245 mm wide, sidewall 75% of the width (7.23"), on a 16" rim → 30.47" tall.

245/75R16 specs

Overall diameter (height)30.47" · 774 mm
Section width9.65" · 245 mm
Sidewall height7.23" · 184 mm (75% of width)
Rim diameter16"
Circumference95.72" · 2.431 m
Revolutions per mile662 (411 per km)
Inch (flotation) equivalent30.5x9.50R16

Equivalent sizes on a 16" 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
265/75R16 common31.65"+3.88%+20 mm62.3 mphcompare →
225/75R16 common29.29"-3.88%-20 mm57.7 mphcompare →
265/70R16 common30.61"+0.45%+20 mm60.3 mphcompare →
235/70R16 common28.95"-4.97%-10 mm57.0 mphcompare →
235/85R16 common31.73"+4.13%-10 mm62.5 mphcompare →
245/70R16 common29.50"-3.17%0 mm58.1 mphcompare →
215/85R16 common30.39"-0.26%-30 mm59.8 mphcompare →
255/70R16 common30.06"-1.36%+10 mm59.2 mphcompare →
235/75R1629.88"-1.94%-10 mm58.8 mphcompare →
255/65R1629.05"-4.65%+10 mm57.2 mphcompare →
275/70R1631.16"+2.26%+30 mm61.4 mphcompare →
235/80R1630.80"+1.10%-10 mm60.7 mphcalculate →
285/65R1630.59"+0.39%+40 mm60.2 mphcalculate →
31x12.50R1631.00"+1.74%+73 mm61.0 mphcalculate →
285/70R1631.71"+4.07%+40 mm62.4 mphcalculate →
30x11.50R1630.00"-1.54%+47 mm59.1 mphcalculate →
31x10.50R1631.00"+1.74%+22 mm61.0 mphcalculate →
31x11.50R1631.00"+1.74%+47 mm61.0 mphcalculate →
31x11.00R1631.00"+1.74%+34 mm61.0 mphcalculate →
285/60R1629.46"-3.29%+40 mm58.0 mphcalculate →
225/90R1631.94"+4.85%-20 mm62.9 mphcalculate →
225/85R1631.06"+1.94%-20 mm61.2 mphcalculate →
275/60R1628.99"-4.85%+30 mm57.1 mphcalculate →

Plus / minus sizing: 15" and 17" rims

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

SizeDiameterDifferenceWidthSpeedo at 60
245/70R17 common30.50"+0.12%0 mm60.1 mphcompare →
265/65R17 common30.56"+0.31%+20 mm60.2 mphcompare →
225/75R1730.29"-0.59%-20 mm59.6 mphcompare →
265/75R1530.65"+0.59%+20 mm60.4 mphcalculate →
315/55R1730.64"+0.57%+70 mm60.3 mphcalculate →
285/60R1730.46"-0.01%+40 mm60.0 mphcalculate →

Try another size against 245/75R16

Questions

What size is 245/75R16 in inches?

245/75R16 is about 30.5" tall and 9.6" wide on a 16-inch rim — roughly a 30.5x9.50R16 in inch sizing.

What does 245/75R16 mean?

245 mm section width, sidewall 75% of the width (7.23"), radial construction, 16-inch rim.

What tire sizes are equivalent to 245/75R16?

On the same 16" rim, within 3% of the diameter: 215/85R16 (-0.26%), 285/65R16 (+0.39%), 265/70R16 (+0.45%), 235/80R16 (+1.10%), 255/70R16 (-1.36%), 30x11.50R16 (-1.54%).

How many revolutions per mile does a 245/75R16 tire make?

About 662 revolutions per mile (circumference 95.7").

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.