275/70R16 tire size in inches

A 275/70R16 tire measures

31.2" tall × 10.8" wide

7.58" sidewall on a 16" wheel. 647 revolutions per mile.

275/70R16 means a tire 275 mm wide, with sidewalls 70% as tall as the tire is wide (193 mm), radial construction (R), for a 16 inch wheel.

31.2"16" rim7.6"10.8" wide
275/70R16: 31.2 inches tall, 10.8 inches wide, on a 16 inch rim, drawn to scale

275/70R16 specs

Overall diameter (height)31.16 inches (791 mm)
Section width10.83 inches (275 mm)
Sidewall height7.58 inches (193 mm)
Wheel (rim) diameter16 inches
Circumference97.9 inches (2,486 mm)
Revolutions per mile647
Revolutions per kilometer402
Approximate rim width7.5" to 9.0"
In inches (flotation style)31.2x10.8R16
Aspect ratio70%

Calculated from the size. Real tires differ by brand, model and tread depth, typically by a few tenths of an inch.

Sizes that can replace 275/70R16 on a 16" wheel

These 16" sizes are within 3% of 275/70R16's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
295/65R1631.10"11.61"−0.2%59.9 mphCompare
225/85R1631.06"8.86"−0.3%59.8 mphCompare
255/75R1631.06"10.04"−0.3%59.8 mphCompare
245/80R1631.43"9.65"+0.9%60.5 mphCompare
235/80R1630.80"9.25"−1.1%59.3 mphCompare
265/75R1631.65"10.43"+1.6%60.9 mphCompare
265/70R1630.61"10.43"−1.8%58.9 mphCompare
285/70R1631.71"11.22"+1.8%61.1 mphCompare
285/65R1630.59"11.22"−1.8%58.9 mphCompare
235/85R1631.73"9.25"+1.8%61.1 mphCompare
245/75R1630.47"9.65"−2.2%58.7 mphCompare
215/85R1630.39"8.46"−2.5%58.5 mphCompare

Same height on other wheel sizes (plus and minus sizing)

SizeWheelDiameterDifference
315/45R2020"31.16"0.0%Compare
235/55R2121"31.18"+0.1%Compare
355/40R2020"31.18"+0.1%Compare
335/50R1818"31.19"+0.1%Compare
305/30R2424"31.20"+0.2%Compare
305/55R1818"31.21"+0.2%Compare
235/60R2020"31.10"−0.2%Compare
285/45R2121"31.10"−0.2%Compare
285/50R2020"31.22"+0.2%Compare
345/45R1919"31.22"+0.2%Compare
335/35R2222"31.23"+0.2%Compare
325/40R2121"31.24"+0.3%Compare

One size up or down

Compare 275/70R16 with another size

With 285/70R16 tires, when your speedometer says 60 mph you are really going

61.1 mph

285/70R16 is +0.55 inches (+1.8%) in overall diameter. That is within the 3% most shops and makers allow.

275/70R16285/70R16Difference%
Overall diameter31.16"31.71"+0.55"+1.8%
Section width10.83"11.22"+0.39"+3.6%
Sidewall height7.58"7.85"+0.28"+3.6%
Circumference97.88"99.62"+1.73"+1.8%
Revolutions per mile647.3636.0−11.3−1.7%

Questions

How tall is a 275/70R16 tire?
A 275/70R16 tire is 31.2 inches tall (791 mm), calculated from the size. It is 10.8 inches wide with 7.6 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 275/70R16 mean?
275/70R16 means a tire 275 mm wide, with sidewalls 70% as tall as the tire is wide (193 mm), radial construction (R), for a 16 inch wheel.
How many revolutions per mile does a 275/70R16 tire make?
About 647 revolutions per mile, based on a circumference of 97.9 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 275/70R16 tire?
Roughly 7.5" to 9.0". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 295/65R16 instead of 275/70R16?
295/65R16 is −0.06 inches (−0.2%) in overall diameter, so at an indicated 60 mph you would be doing 59.9 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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