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205/70R16 tire size

205/70R16 is a metric size: 27.3" tall, 8.1" wide, on a 16" rim — about a 27.5x8.00R16. The sidewall is 5.6" and the tire turns 739 times per mile.

Diameter 27.3" sidewall 5.65" 16" rim width 205 mm (8.1")
205/70R16: 205 mm wide, sidewall 70% of the width (5.65"), on a 16" rim → 27.30" tall.

205/70R16 specs

Overall diameter (height)27.30" · 693 mm
Section width8.07" · 205 mm
Sidewall height5.65" · 144 mm (70% of width)
Rim diameter16"
Circumference85.76" · 2.178 m
Revolutions per mile739 (459 per km)
Inch (flotation) equivalent27.5x8.00R16

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
215/65R16 common27.00"-1.08%+10 mm59.4 mphcompare →
215/60R16 common26.16"-4.18%+10 mm57.5 mphcompare →
215/70R16 common27.85"+2.02%+10 mm61.2 mphcompare →
205/65R16 common26.49"-2.96%0 mm58.2 mphcompare →
235/65R16 common28.03"+2.67%+30 mm61.6 mphcompare →
225/60R16 common26.63"-2.45%+20 mm58.5 mphcompare →
225/70R16 common28.40"+4.04%+20 mm62.4 mphcompare →
225/65R16 common27.52"+0.79%+20 mm60.5 mphcompare →
235/60R16 common27.10"-0.72%+30 mm59.6 mphcompare →
195/75R1627.52"+0.79%-10 mm60.5 mphcompare →
205/75R1628.11"+2.96%0 mm61.8 mphcalculate →
255/50R1626.04"-4.61%+50 mm57.2 mphcalculate →
145/90R1626.28"-3.75%-60 mm57.8 mphcalculate →
155/90R1626.98"-1.15%-50 mm59.3 mphcalculate →
235/55R1626.18"-4.11%+30 mm57.5 mphcalculate →
195/65R1625.98"-4.83%-10 mm57.1 mphcalculate →
355/40R1627.18"-0.43%+150 mm59.7 mphcalculate →
295/50R1627.61"+1.15%+90 mm60.7 mphcalculate →
28x11.50R1628.00"+2.57%+87 mm61.5 mphcalculate →
255/60R1628.05"+2.74%+50 mm61.6 mphcalculate →
195/80R1628.28"+3.61%-10 mm62.2 mphcalculate →
285/55R1628.34"+3.82%+80 mm62.3 mphcalculate →
26x11.50R1626.00"-4.76%+87 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
235/55R17 common27.18"-0.45%+30 mm59.7 mphcompare →
215/60R17 common27.16"-0.52%+10 mm59.7 mphcompare →
225/70R1527.40"+0.37%+20 mm60.2 mphcompare →
205/75R1527.11"-0.71%0 mm59.6 mphcompare →
255/60R1527.05"-0.92%+50 mm59.4 mphcalculate →
165/80R1727.39"+0.35%-40 mm60.2 mphcalculate →
255/50R1727.04"-0.95%+50 mm59.4 mphcalculate →
145/90R1727.28"-0.09%-60 mm59.9 mphcalculate →
205/65R1727.49"+0.71%0 mm60.4 mphcalculate →
235/65R1527.03"-1.00%+30 mm59.4 mphcalculate →

Try another size against 205/70R16

Questions

What size is 205/70R16 in inches?

205/70R16 is about 27.3" tall and 8.1" wide on a 16-inch rim — roughly a 27.5x8.00R16 in inch sizing.

What does 205/70R16 mean?

205 mm section width, sidewall 70% of the width (5.65"), radial construction, 16-inch rim.

What tire sizes are equivalent to 205/70R16?

On the same 16" rim, within 3% of the diameter: 355/40R16 (-0.43%), 235/60R16 (-0.72%), 195/75R16 (+0.79%), 225/65R16 (+0.79%), 215/65R16 (-1.08%), 295/50R16 (+1.15%).

How many revolutions per mile does a 205/70R16 tire make?

About 739 revolutions per mile (circumference 85.8").

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.