CarSpecsHQ

215/50R16 tire size

215/50R16 is a metric size: 24.5" tall, 8.5" wide, on a 16" rim — about a 24.5x8.50R16. The sidewall is 4.2" and the tire turns 824 times per mile.

Diameter 24.5" sidewall 4.23" 16" rim width 215 mm (8.5")
215/50R16: 215 mm wide, sidewall 50% of the width (4.23"), on a 16" rim → 24.46" tall.

215/50R16 specs

Overall diameter (height)24.46" · 621 mm
Section width8.46" · 215 mm
Sidewall height4.23" · 108 mm (50% of width)
Rim diameter16"
Circumference76.86" · 1.952 m
Revolutions per mile824 (512 per km)
Inch (flotation) equivalent24.5x8.50R16

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
205/55R16 common24.88"+1.69%-10 mm61.0 mphcalculate →
215/55R16 common25.31"+3.46%0 mm62.1 mphcalculate →
205/60R16 common25.69"+4.99%-10 mm63.0 mphcalculate →
195/55R16 common24.44"-0.08%-20 mm60.0 mphcalculate →
225/50R16 common24.86"+1.61%+10 mm61.0 mphcalculate →
205/50R1624.07"-1.61%-10 mm59.0 mphcalculate →
195/50R1623.68"-3.22%-20 mm58.1 mphcalculate →
185/55R1624.01"-1.85%-30 mm58.9 mphcalculate →
205/45R1623.26"-4.91%-10 mm57.1 mphcalculate →
245/45R1624.68"+0.89%+30 mm60.5 mphcalculate →
245/50R1625.65"+4.83%+30 mm62.9 mphcalculate →
195/60R1625.21"+3.06%-20 mm61.8 mphcalculate →
185/60R1624.74"+1.13%-30 mm60.7 mphcalculate →
215/45R1623.62"-3.46%0 mm57.9 mphcalculate →
225/45R1623.97"-2.01%+10 mm58.8 mphcalculate →
175/60R1624.27"-0.80%-40 mm59.5 mphcalculate →
175/55R1623.58"-3.62%-40 mm57.8 mphcalculate →
185/50R1623.28"-4.83%-30 mm57.1 mphcalculate →
145/80R1625.13"+2.74%-70 mm61.6 mphcalculate →
265/45R1625.39"+3.78%+50 mm62.3 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
215/45R17 common24.62"+0.63%0 mm60.4 mphcalculate →
205/45R17 common24.26"-0.82%-10 mm59.5 mphcalculate →
185/65R15 common24.47"+0.02%-30 mm60.0 mphcalculate →
205/60R1524.69"+0.90%-10 mm60.5 mphcalculate →
235/40R1724.40"-0.26%+20 mm59.8 mphcalculate →
275/35R1724.58"+0.47%+60 mm60.3 mphcalculate →
345/35R1524.51"+0.18%+130 mm60.1 mphcalculate →
245/50R1524.65"+0.74%+30 mm60.4 mphcalculate →
24.5x8.00R1524.50"+0.14%-12 mm60.1 mphcalculate →
235/50R1524.25"-0.87%+20 mm59.5 mphcalculate →
175/70R1524.65"+0.74%-40 mm60.4 mphcalculate →

Try another size against 215/50R16

Questions

What size is 215/50R16 in inches?

215/50R16 is about 24.5" tall and 8.5" wide on a 16-inch rim — roughly a 24.5x8.50R16 in inch sizing.

What does 215/50R16 mean?

215 mm section width, sidewall 50% of the width (4.23"), radial construction, 16-inch rim.

What tire sizes are equivalent to 215/50R16?

On the same 16" rim, within 3% of the diameter: 195/55R16 (-0.08%), 175/60R16 (-0.80%), 245/45R16 (+0.89%), 185/60R16 (+1.13%), 225/50R16 (+1.61%), 205/50R16 (-1.61%).

How many revolutions per mile does a 215/50R16 tire make?

About 824 revolutions per mile (circumference 76.9").

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.