295/50R20 tire size in inches

A 295/50R20 tire measures

31.6" tall × 11.6" wide

5.81" sidewall on a 20" wheel. 638 revolutions per mile.

295/50R20 means a tire 295 mm wide, with sidewalls 50% as tall as the tire is wide (148 mm), radial construction (R), for a 20 inch wheel.

31.6"20" rim5.8"11.6" wide
295/50R20: 31.6 inches tall, 11.6 inches wide, on a 20 inch rim, drawn to scale

295/50R20 specs

Overall diameter (height)31.61 inches (803 mm)
Section width11.61 inches (295 mm)
Sidewall height5.81 inches (148 mm)
Wheel (rim) diameter20 inches
Circumference99.3 inches (2,523 mm)
Revolutions per mile638
Revolutions per kilometer396
Approximate rim width8.5" to 10.0"
In inches (flotation style)31.6x11.6R20
Aspect ratio50%

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 295/50R20 on a 20" wheel

These 20" sizes are within 3% of 295/50R20's overall diameter, the range most tire shops treat as interchangeable.

SizeDiameterWidthDifferenceReal speed at 60
245/60R2031.57"9.65"−0.1%59.9 mphCompare
225/65R2031.52"8.86"−0.3%59.8 mphCompare
325/45R2031.52"12.80"−0.3%59.8 mphCompare
265/55R2031.48"10.43"−0.4%59.7 mphCompare
335/45R2031.87"13.19"+0.8%60.5 mphCompare
275/55R2031.91"10.83"+0.9%60.6 mphCompare
305/50R2032.01"12.01"+1.2%60.7 mphCompare
285/50R2031.22"11.22"−1.2%59.3 mphCompare
235/65R2032.03"9.25"+1.3%60.8 mphCompare
255/60R2032.05"10.04"+1.4%60.8 mphCompare
355/40R2031.18"13.98"−1.4%59.2 mphCompare
315/45R2031.16"12.40"−1.4%59.1 mphCompare

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

SizeWheelDiameterDifference
245/55R2121"31.61"0.0%Compare
265/70R1717"31.61"0.0%Compare
305/40R2222"31.61"0.0%Compare
285/65R1717"31.59"−0.1%Compare
315/55R1818"31.64"+0.1%Compare
245/50R2222"31.65"+0.1%Compare
265/75R1616"31.65"+0.1%Compare
275/35R2424"31.58"−0.1%Compare
355/45R1919"31.58"−0.1%Compare
265/65R1818"31.56"−0.2%Compare
325/30R2424"31.68"+0.2%Compare
335/40R2121"31.55"−0.2%Compare

One size up or down

Compare 295/50R20 with another size

With 305/50R20 tires, when your speedometer says 60 mph you are really going

60.7 mph

305/50R20 is +0.39 inches (+1.2%) in overall diameter. That is within the 3% most shops and makers allow.

295/50R20305/50R20Difference%
Overall diameter31.61"32.01"+0.39"+1.2%
Section width11.61"12.01"+0.39"+3.4%
Sidewall height5.81"6.00"+0.20"+3.4%
Circumference99.32"100.56"+1.24"+1.2%
Revolutions per mile637.9630.1−7.8−1.2%

Questions

How tall is a 295/50R20 tire?
A 295/50R20 tire is 31.6 inches tall (803 mm), calculated from the size. It is 11.6 inches wide with 5.8 inches sidewalls. Real tires vary by a few tenths of an inch between brands and tread patterns.
What does 295/50R20 mean?
295/50R20 means a tire 295 mm wide, with sidewalls 50% as tall as the tire is wide (148 mm), radial construction (R), for a 20 inch wheel.
How many revolutions per mile does a 295/50R20 tire make?
About 638 revolutions per mile, based on a circumference of 99.3 inches. Under load the tire flattens slightly, so the maker's published figure is usually a little higher.
What rim width fits a 295/50R20 tire?
Roughly 8.5" to 10.0". Check the tire maker's approved rim range for the exact model before buying wheels.
Can I use 245/60R20 instead of 295/50R20?
245/60R20 is −0.04 inches (−0.1%) 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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