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195/50R15 tire size

195/50R15 is a metric size: 22.7" tall, 7.7" wide, on a 15" rim — about a 22.5x7.50R15. The sidewall is 3.8" and the tire turns 889 times per mile.

Diameter 22.7" sidewall 3.84" 15" rim width 195 mm (7.7")
195/50R15: 195 mm wide, sidewall 50% of the width (3.84"), on a 15" rim → 22.68" tall.

195/50R15 specs

Overall diameter (height)22.68" · 576 mm
Section width7.68" · 195 mm
Sidewall height3.84" · 98 mm (50% of width)
Rim diameter15"
Circumference71.24" · 1.810 m
Revolutions per mile889 (553 per km)
Inch (flotation) equivalent22.5x7.50R15

Equivalent sizes on a 15" 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
185/60R15 common23.74"+4.69%-10 mm62.8 mphcompare →
205/50R1523.07"+1.74%+10 mm61.0 mphcompare →
185/55R1523.01"+1.48%-10 mm60.9 mphcompare →
195/55R1523.44"+3.39%0 mm62.0 mphcompare →
225/45R1522.97"+1.30%+30 mm60.8 mphcompare →
245/40R1522.72"+0.17%+50 mm60.1 mphcompare →
175/55R1522.58"-0.43%-20 mm59.7 mphcalculate →
145/65R1522.42"-1.13%-50 mm59.3 mphcalculate →
155/60R1522.32"-1.56%-40 mm59.1 mphcalculate →
275/35R1522.58"-0.43%+80 mm59.7 mphcalculate →
165/60R1522.80"+0.52%-30 mm60.3 mphcalculate →
295/35R1523.13"+2.00%+100 mm61.2 mphcalculate →
195/45R1521.91"-3.39%0 mm58.0 mphcalculate →
175/60R1523.27"+2.60%-20 mm61.6 mphcalculate →
22x8.00R1522.00"-2.99%+8 mm58.2 mphcalculate →
165/65R1523.44"+3.39%-30 mm62.0 mphcalculate →
215/50R1523.46"+3.47%+20 mm62.1 mphcalculate →
175/50R1521.89"-3.47%-20 mm57.9 mphcalculate →

Plus / minus sizing: 14" and 16" rims

Same overall height on a different rim. Check wheel width and clearance before switching.

SizeDiameterDifferenceWidthSpeedo at 60
185/60R1422.74"+0.28%-10 mm60.2 mphcompare →
205/40R1622.46"-0.97%+10 mm59.4 mphcalculate →
205/55R1422.88"+0.89%+10 mm60.5 mphcalculate →
225/50R1422.86"+0.80%+30 mm60.5 mphcalculate →
215/40R1622.77"+0.42%+20 mm60.3 mphcalculate →
175/50R1622.89"+0.94%-20 mm60.6 mphcalculate →

Try another size against 195/50R15

Questions

What size is 195/50R15 in inches?

195/50R15 is about 22.7" tall and 7.7" wide on a 15-inch rim — roughly a 22.5x7.50R15 in inch sizing.

What does 195/50R15 mean?

195 mm section width, sidewall 50% of the width (3.84"), radial construction, 15-inch rim.

What tire sizes are equivalent to 195/50R15?

On the same 15" rim, within 3% of the diameter: 245/40R15 (+0.17%), 175/55R15 (-0.43%), 275/35R15 (-0.43%), 165/60R15 (+0.52%), 145/65R15 (-1.13%), 225/45R15 (+1.30%).

How many revolutions per mile does a 195/50R15 tire make?

About 889 revolutions per mile (circumference 71.2").

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.