295/45R17 tire size in inches

A 295/45R17 tire measures

27.5" tall × 11.6" wide

5.23" sidewall on a 17" wheel. 735 revolutions per mile.

295/45R17 means a tire 295 mm wide, with sidewalls 45% as tall as the tire is wide (133 mm), radial construction (R), for a 17 inch wheel.

27.5"17" rim5.2"11.6" wide
295/45R17: 27.5 inches tall, 11.6 inches wide, on a 17 inch rim, drawn to scale

295/45R17 specs

Overall diameter (height)27.45 inches (697 mm)
Section width11.61 inches (295 mm)
Sidewall height5.23 inches (133 mm)
Wheel (rim) diameter17 inches
Circumference86.2 inches (2,191 mm)
Revolutions per mile735
Revolutions per kilometer456
Approximate rim width9.5" to 11.0"
In inches (flotation style)27.5x11.6R17
Aspect ratio45%

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 295/45R17 on a 17" wheel

These 17" sizes are within 3% of 295/45R17's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
265/50R1727.43"10.43"−0.1%60.0 mphCompare
205/65R1727.49"8.07"+0.1%60.1 mphCompare
245/55R1727.61"9.65"+0.6%60.3 mphCompare
225/60R1727.63"8.86"+0.6%60.4 mphCompare
185/70R1727.20"7.28"−0.9%59.4 mphCompare
235/55R1727.18"9.25"−1.0%59.4 mphCompare
195/70R1727.75"7.68"+1.1%60.6 mphCompare
215/60R1727.16"8.46"−1.1%59.4 mphCompare
285/45R1727.10"11.22"−1.3%59.2 mphCompare
305/45R1727.81"12.01"+1.3%60.8 mphCompare
275/50R1727.83"10.83"+1.4%60.8 mphCompare
255/50R1727.04"10.04"−1.5%59.1 mphCompare

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

SizeWheelDiameterDifference
215/50R1919"27.46"0.0%Compare
315/30R2020"27.44"0.0%Compare
245/75R1313"27.47"+0.1%Compare
235/35R2121"27.48"+0.1%Compare
265/55R1616"27.48"+0.1%Compare
275/25R2222"27.41"−0.1%Compare
275/30R2121"27.50"+0.2%Compare
305/35R1919"27.41"−0.2%Compare
225/70R1515"27.40"−0.2%Compare
235/40R2020"27.40"−0.2%Compare
245/70R1414"27.50"+0.2%Compare
325/25R2121"27.40"−0.2%Compare

One size up or down

Compare 295/45R17 with another size

With 305/45R17 tires, when your speedometer says 60 mph you are really going

60.8 mph

305/45R17 is +0.35 inches (+1.3%) in overall diameter. That is within the 3% most shops and makers allow.

295/45R17305/45R17Difference%
Overall diameter27.45"27.81"+0.35"+1.3%
Section width11.61"12.01"+0.39"+3.4%
Sidewall height5.23"5.40"+0.18"+3.4%
Circumference86.25"87.36"+1.11"+1.3%
Revolutions per mile734.6725.3−9.4−1.3%

Questions

How tall is a 295/45R17 tire?
A 295/45R17 tire is 27.5 inches tall (697 mm), calculated from the size. It is 11.6 inches wide with 5.2 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 295/45R17 mean?
295/45R17 means a tire 295 mm wide, with sidewalls 45% as tall as the tire is wide (133 mm), radial construction (R), for a 17 inch wheel.
How many revolutions per mile does a 295/45R17 tire make?
About 735 revolutions per mile, based on a circumference of 86.2 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 295/45R17 tire?
Roughly 9.5" to 11.0". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 265/50R17 instead of 295/45R17?
265/50R17 is −0.02 inches (−0.1%) in overall diameter, so at an indicated 60 mph you would be doing 60.0 mph. Differences under 3% are usually fine, but check clearance, load index and your vehicle's placard.

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