tireheight.com

315/75R16 in inches

A 315/75R16 tire is 34.6″ tall and 12.4″ wide, and fits a 16″ wheel. In inches it is written 34.6×12.4R16.

Diameter34.60″
Width12.40″
Sidewall9.30″
315/75R16 drawn to scale: 34.60 inch diameter, 9.30 inch sidewall, 16 inch wheel, 12.40 inch tread width16″ wheel9.30″34.60″ overall12.40″ wideSide view
Drawn to scale. Nominal dimensions calculated from the size code.
Manufacturer data

How tall 315/75R16 tires really are

Heights published by BFGoodrich, General, Mickey Thompson and Toyo for all 8 tires in this size. Their published revolutions per mile work out to 33.5–33.9″ under load (below).

Real 315/75R16 tires measure 34.50–34.88″, against 34.60″ from the size code. They run both taller and shorter than the size code.

  1. Toyo Open Country M/T34.88″ +0.28″
  2. Mickey Thompson Baja Legend EXP34.80″ +0.20″
  3. BFGoodrich All-Terrain T/A KO334.60″ −0.00″
  4. BFGoodrich Mud-Terrain T/A KM334.60″ −0.00″
  5. General Grabber A/TX34.60″ −0.00″
  6. Toyo Open Country A/T III34.57″ −0.04″
  7. Mickey Thompson Baja Boss M/T34.50″ −0.10″
  8. Mickey Thompson Baja Legend MTZ34.50″ −0.10″
Each bar runs from the size code's 34.60″ (the orange line) to the model's published height. The track spans 1.0″. Where a model comes in several load ranges, the darker part shows its range of heights; the number after the name is how many versions it comes in.
Height under load33.5–33.9″

Published revs per mile (595–602) mean the tire rolls like a 33.5–33.9″ tire on the vehicle. Use this for speedometer calibration.

Weight spread64.0–80.6 lb

The lightest (Mickey Thompson Baja Legend EXP, LT E) is 16.6 lb lighter per corner than the heaviest (Toyo Open Country M/T, LT E).

8 tires in 315/75R16

Sort by the spec you care about.

LoadRevs/miSource
Mickey Thompson Baja Legend EXPAll-terrainLT E · 127Q34.8064.018.53,860–Spec page
General Grabber A/TXAll-terrainLT E · 127R34.6064.616.03,860600Spec page
Toyo Open Country A/T IIIAll-terrainLT E · 127/124R34.5765.516.93,860601Spec page
BFGoodrich All-Terrain T/A KO3All-terrainLT E · 127S34.6067.916.03,860602Spec page
Mickey Thompson Baja Legend MTZMud-terrainLT E · 127Q34.5068.020.53,860–Spec page
Mickey Thompson Baja Boss M/TMud-terrainLT E · 127Q34.5073.020.53,860–Spec page
BFGoodrich Mud-Terrain T/A KM3Mud-terrainLT E · 127Q34.6073.218.03,860602Spec page
Toyo Open Country M/TMud-terrainLT E · 127Q34.8880.621.03,860595Spec page

Is 315/75R16 a 35-inch tire?

≈35″

Close. The size code works out to 34.60″, and the 8 tires here publish 34.50–34.88″, so people call it a 35.

All 35-inch tire sizes, on every wheel size.

Compare with nearby sizes

Differences in overall diameter, calculated from each size code.

SizeDiameter ″vs 315/75R16Difference
295/75R1633.42-1.18″-3.4%
315/70R1734.36-0.24″-0.7%
295/75R1734.42-0.18″-0.5%
35×11.00R1535.00+0.40″+1.1%
35×12.50R1535.00+0.40″+1.1%
35×13.50R1535.00+0.40″+1.1%
35×9.50R1535.00+0.40″+1.1%
35×10.50R1735.00+0.40″+1.1%
35×11.50R1735.00+0.40″+1.1%
35×12.50R1735.00+0.40″+1.1%

How to read 315/75R16

How to read any tire size

LT315/75R16 127Q as printed on the tire sidewall, with each part numberedLT315/75R16 127Q1234567
How LT315/75R16 127Q is printed on the sidewall. It's the most common code among the 8 tires here (5 of them); tires in this size come in other load and speed ratings too.
1LTLight truck

Marks a light truck (LT) tire.

2315Section width

315 mm across the widest point, or 12.40 inches. Every 315 size

375Aspect ratio

A percentage, not a measurement: the sidewall is 75% as tall as the tire is wide, which is 236.3 mm or 9.30 inches.

4RConstruction

Radial construction.

516Wheel diameter

Mounts on a 16-inch wheel. Approved wheel widths run 8.0″ to 11.0″.

6127Load index

Each tire carries up to 3,860 lb (1,750 kg) at its maximum pressure.

7QSpeed rating

Rated for up to 99 mph sustained.

ELoad range

Printed separately as "LOAD RANGE E": a 10-ply rating, inflated up to 80 psi (standard load-range table). The load range E tires here carry up to 3,860 lb each, as published.

SpecificationInchesMetric
Overall diameter34.60879 mm
Section width12.40315 mm
Sidewall height9.30236.3 mm
Circumference108.72,761 mm
Revolutions per mile (calculated, unloaded)582.9362 per km
Revolutions per mile (published by manufacturers)595–602370–374 per km
Approved wheel width8.0–11.0203–279 mm

Speedometer error after switching to 315/75R16

Your actual speed– mph

Questions about 315/75R16

What is 315/75R16 in inches?

34.60 inches tall, 12.40 inches wide, on a 16-inch wheel. Written in inches, that is roughly 34.6×12.4R16.

How much does a 315/75R16 tire weigh?

Between 64.0 lb and 80.6 lb for the 8 tires listed here. The lightest is the Mickey Thompson Baja Legend EXP (LT E); the heaviest is the Toyo Open Country M/T (LT E).

What wheel width do I need for 315/75R16?

Manufacturers approve 8.0–11.0″ wide wheels for this size.

How many revolutions per mile does a 315/75R16 make?

Published figures run 595–602 revolutions per mile. The calculated figure is 582.9, but manufacturers measure the tire under load, where it rolls on a smaller radius.

How much taller is 315/75R16 than 295/75R16?

1.18 inches taller on paper (34.60″ vs 33.42″), which raises the axle about 0.59″. Your speedometer will read about 3.5% slow.