195/55R16 in inches

A 195/55R16 tire is 24.4″ tall and 7.7″ wide, and fits a 16″ wheel. In inches it is written 24.4×7.7R16.

Diameter24.44″

Width7.68″

Sidewall4.22″

Drawn to scale. Nominal dimensions calculated from the size code.

Manufacturer data

How tall 195/55R16 tires really are

Heights published by BFGoodrich, General, Michelin and Toyo for all 5 tires in this size. Their published revolutions per mile work out to 23.7″ under load (below).

Real 195/55R16 tires measure 24.40–24.41″, against 24.44″ from the size code. Every one runs shorter than the size code.

Height under load23.7″

Published revs per mile (850–852) mean the tire rolls like a 23.7″ tire on the vehicle. Use this for speedometer calibration.

Weight spread17.4–22.2 lb

The lightest (General AltiMAX RT45, SL) is 4.8 lb lighter per corner than the heaviest (BFGoodrich Advantage Control, SL).

5 tires in 195/55R16

Sort by the spec you care about.

	Load					Revs/mi	Source
General AltiMAX RT45Touring	SL · 87V	24.40	17.4	11.0	1,201	850	Spec page
Toyo Extensa A/S IIAll-season	SL · 87V	24.41	18.5	10.2	1,201	851	Spec page
Toyo Extensa HP IIPerformance	SL · 87V	24.41	19.5	8.9	1,201	851	Spec page
Michelin X-Ice SnowWinter	XL · 91H	24.41	20.2	10.5	1,319	852	Spec page
BFGoodrich Advantage ControlAll-season	SL · 87V	24.41	22.2	10.5	1,201	852	Spec page

Is 195/55R16 a 24-inch tire?

≈24″

Close. The size code works out to 24.44″, and the 5 tires here publish 24.40–24.41″, so people call it a 24.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

Size	Diameter ″	vs 195/55R16	Difference
195/50R16	23.68	-0.77″	-3.1%
225/45R16	23.97	-0.47″	-1.9%
185/55R16	24.01	-0.43″	-1.8%
205/50R16	24.07	-0.37″	-1.5%
185/65R15	24.47	+0.02″	+0.1%
245/45R16	24.68	+0.24″	+1.0%
185/60R16	24.74	+0.30″	+1.2%
225/50R16	24.86	+0.41″	+1.7%
205/55R16	24.88	+0.43″	+1.8%
195/60R16	25.21	+0.77″	+3.1%

How to read 195/55R16

How to read any tire size

How 195/55R16 87V is printed on the sidewall. It's the most common code among the 5 tires here (4 of them); tires in this size come in other load and speed ratings too.

1195Section width

195 mm across the widest point, or 7.68 inches. Every 195 size

255Aspect ratio

A percentage, not a measurement: the sidewall is 55% as tall as the tire is wide, which is 107.3 mm or 4.22 inches.

3RConstruction

Radial construction.

416Wheel diameter

Mounts on a 16-inch wheel. Approved wheel widths run 5.5″ to 7.0″.

587Load index

Each tire carries up to 1,201 lb (545 kg) at its maximum pressure.

6VSpeed rating

Rated for up to 149 mph sustained.

Specification	Inches	Metric
Overall diameter	24.44	621 mm
Section width	7.68	195 mm
Sidewall height	4.22	107.3 mm
Circumference	76.8	1,951 mm
Revolutions per mile (calculated, unloaded)	825.0	513 per km
Revolutions per mile (published by manufacturers)	850–852	528–529 per km
Approved wheel width	5.5–7.0	140–178 mm

Speedometer error after switching to 195/55R16

Your actual speed– mph

Questions about 195/55R16

What is 195/55R16 in inches?

24.44 inches tall, 7.68 inches wide, on a 16-inch wheel. Written in inches, that is roughly 24.4×7.7R16.

How much does a 195/55R16 tire weigh?

Between 17.4 lb and 22.2 lb for the 5 tires listed here. The lightest is the General AltiMAX RT45 (SL); the heaviest is the BFGoodrich Advantage Control (SL).

What wheel width do I need for 195/55R16?

Manufacturers approve 5.5–7.0″ wide wheels for this size.

How many revolutions per mile does a 195/55R16 make?

Published figures run 850–852 revolutions per mile. The calculated figure is 825.0, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 195/55R16 than 205/50R16?

0.37 inches taller on paper (24.44″ vs 24.07″), which raises the axle about 0.19″. Your speedometer will read about 1.6% slow.