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The Metric Tire Conversion Calculator converts metric tire sizes (ie 285/75R16) to standard tire sizes (ie 31x10.
50R15) and standard tires back to metric. This easy to use metric conversion tire calculator is the fastest way to get the tire width, section height and overall diameter of your rims and tires so you can get the right wheels for your rig.
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What tire is equivalent to 31X10 50R15? Replacements. The closest metric size to 31×10. 50R15 is 265/75R15. This metric size indicates a tire diameter of 30.
7 inches and width of 10.5 inches.
Table of Contents
They’ll fit on the rims just fine.
The rim diameter required for the 31 X 10.50 R15 is a 15″ diameter rim (R15 portion of the tire size). As for the width of the rim, I recommend using a rim that is 2″ – 3″ narrower than the tire when applying tires that will see off road use or all terrain use.
15-inch Wheel Conversion Chart
| Metric | Standard |
|---|---|
| 235/75/15 | 29.0″x 9.3″ |
| 245/75/15 | 29.5″x 9.6″ |
| 255/75/15 | 30.0″x 10.0″ |
| 265/75/15 | 30.6″x 10.4″ |
Diameter Comparison of Light Truck Tire Sizes
| Approx. Tire Diameter (in Inches) | P-Metric and European Metric | Light Truck |
|---|---|---|
| 75-series and 70-series | Flotation | |
| 31-1/2 | 265/75R16 | |
| 31 | 275/70R16 | |
| 30-1/2 | 265/70R16 | 31X10. 50R16.5LT |
Equivalency table
| Rim width | Minimum tire width | Ideal tire width |
|---|---|---|
| 10,0 Inches | 255 mm | 265 or 275 mm |
| 10,5 Inches | 265 mm | 275 or 285 mm |
| 11,0 Inches | 275 mm | 285 or 295 mm |
| 11,5 Inches | 285 mm | 295 or 305 mm |
Tire size equivalent chart for 33″, 35″, 37″ or 40″ tires
| 33″ Tires (+/- 0.50″ in overall diameter) | ||
|---|---|---|
| 33X11.50-15 | 375/55-16 | 285/70-17 |
| 33X12.50-15M | 305/65-17 | |
| 33X13.50-15 | 33X12.50-17 | |
| 33X15.50-15 |
All-Terrain T/A KO2 30X9.
50R15 Tire Specs
| Size | Diameter | Rim Range |
|---|---|---|
| 30X9.50R15LT 104S C RWL | 29.5″ | 6.5-8.5″ |
All-Terrain T/A KO2 31X10. 50R15 Tire Specs
| Size | Diameter | Max Speed |
|---|---|---|
| 31X10.50R15LT 109S C RWL | 30.5″ | 112 mph |
Tire Sizes by Wheel Diameter
| 15″ Options | ||
|---|---|---|
| 115/70-15 | 185/65-15 | 215/75-15 |
| 125/70-15 | 185/70-15 | 225/45-15 |
| 125/80-15 | 195/50-15 | 225/50-15 |
| 145/65-15 | 195/55-15 | 225/60-15 |
Wheels have what’s called an “actual diameter” and an “overall diameter.
” The actual diameter is what wheels are named after—a 15″ wheel will have an actual diameter of 15″ (measured between its bead sets). The wheel’s overall diameter (measured from the outside edges of the wheel) will be closer to 16″.
You’ll need less backspacing (puts the tire out wider), at least 4.5″, for 12.50’s. 10.50’s are thinner and, therefore, have a thinner footprint (less surface area) and will do better in snow and other slick conditions. You also should not run 10.5’s on 10″ rims. You can run 12.5’s on 8″ or 10″ rims.
It may vary per tire. But generally, the Manufacturer recommended max for a 10″ wheel is 295.
For example, 3x256
0 (800) 300-568, (044) 4981-568 (098) 0000-568, (093) 0000-568 Problems with your order?
56317 |
(6)
With this calculator, you can convert US inches to European metric and vice versa.
To obtain a metric size, enter the values in the "Inches" fields, and to obtain a size in inches, fill in the "Metric" fields.
For example, 31x10.5 R15 tires correspond to 265/75 R15 tires
Source: autoshini.com
However, the key parameter of tires in.. Rating of winter tires for the season 2022-2023
Motorcycle Tire Rating 2022
Auto Bild Summer Tire Test 2022
Summer tire rating 2022
Summer tire test 215/55 R17 from Autozeitung
Enduro tire test 2022
Test light summer tires 185/65 R15 (ADAC 2022)
2022 Summer SUV Tire Test by AutoBild Allrad
Summer tire test 215/60 R16 from the German Automobile Club (ADAC)
TOP 5 tires worth paying attention to this winter
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Equally important is the width of the tire.
However, when selecting tires, it cannot be calculated using a tire calculator - only with the help of fitting. One can only roughly assume an average 10% deviation. Although on SUVs, large wheel arches suggest much more significant deviations. It is best to call us and get detailed advice from an experienced specialist than to select tires on your own. We have long tried and tested almost all options for all cars. 9607080
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4204405005306007108001220
Profile:
All25303540455055606570758085
8.59.51010.51111.512.513.5313233378295100
Diameter:
All1313C14C141515.315C16.516C161717.517C18C181919.519C20C202121C2222.52389101112C1224C24252628303232C343830000000
| Results | Old | New | Difference |
|---|---|---|---|
| L - tire width, mm | {{ form. width }} | {{ form.c_width}} | {{ form.c_width-form.width}} |
| H - profile height, mm | {{ height_mm=form.width*form.height/100 | number : 0}} | {{ c_height_mm=form.c_width*form.c_height/100 | number : 0}} | {{ c_height_mm-height_mm | number : 0}} |
| d - inner diameter, mm | {{ diameter_mm=25.4*form.diametr | number : 0}} | {{ c_diametr_mm=25.4*form.c_diametr | number : 0}} | {{ c_diametr_mm-diametr_mm | number : 0}} |
| D - outside diameter, mm | {{ full_diametr_mm = diameter_mm + height_mm * 2 | number : 0}} | {{ c_full_diametr_mm = c_diametr_mm + c_height_mm * 2 | number : 0 | number : 0}} | {{ delta_full_diametr_mm = c_full_diametr_mm - full_diametr_mm | number : 0}} |
| Change in ground clearance mm | {{ delta_full_diametr_mm / 2 | number : 0}} | ||
| Speedometer difference | {{ delta_full_diametr_mm / full_diametr_mm * 100 | number : 0 }} % | ||
And it is desirable to start from the average value when changing the tire width when entering data into the tire calculator.
For example, choosing tires for SUVs on most high-end crossovers such as the BMW X5, Porsche Cayenne, Volkswagen Touareg, Audi Q7, Subaru Tribeca, Volvo XC90, Range Rover Sport, etc. the average is the size 255/55 R18, and the factory interchangeable ones can be like a smaller landing one !!! size 235/65 R17 and 255/60 R17 and equivalent but narrower 235/60 R18 and 255/50 R19, 285/45 R19 in 19m diameter, 245/45 R20, 275/40 R20 and even 315/35 R20, and even 22 inch analogues of 285/30 R22. So for most passenger cars of the middle class, we replace the super popular size 205/55 R16 with sizes 195/65 R15 and 205/60 R15 with a decrease in the tire diameter, 195/60 R16 and 225/50 R16 if it is necessary to change the tire width, 205/50 R17 and 225/45 R17 for a lower tire profile, 225/40 R18 and 255/35 R18 for even more sporty behavior of the car and 225/35 R19 and 255/30 R19 respectivelyfor the most extreme. Wider tire options are designed to fit tires for rear-wheel drive Mercedes and BMW vehicles.
The inner, ie the rim diameter and the profile height of the tire are inversely proportional to each other and are the most "flexible" when selecting values. The lower the profile, the larger the landing diameter of the disk and vice versa. The main thing is to save the outer or full diameter of the wheel, which allows you to calculate the tire calculator. When reducing the diameter of the tire, a very important point must be taken into account - discs of a smaller diameter may simply not fit on the brake caliper. It is absolutely necessary to fit on your car (very important for the Germans even with an increase in diameter), since very often there were cases when the disc not only did not fit due to the large brake mechanism in general, but also could not lean against the hub due to insufficient convex disc. Even if a friend on the same slightly older or less powerful car has everything right, you cannot be sure that it will work on yours. Automakers are on the alert :) and constantly put sticks in the wheels, making changes to the design of the car :)
Increasing the width of the tire leads to better handling in corners and the possibility of passing these corners at higher speeds, reducing the braking distance on any surface (narrow tires for winter are a complete delusion, especially on hard surfaces).
And the disadvantages of wide tires are increased fuel consumption, sharp reactions to ruts and other bumps on the roads. Increasing the diameter of the rim leads to a deterioration in comfort and increased rigidity, but allows you to make the car more sporty due to less removal (displacement) of the tread from the rims of the disc in the transverse direction in sharp and high-speed turns.
Increasing the tire width is always carried out by the car owner at his own peril and risk and cannot serve as a reason or reason for making claims to the store or technical center employees. All responsibility in this act lies with the car owner or his representative.
It should also be taken into account that the speed index and load index of a tire are usually higher for tires with a larger landing diameter and a lower profile, therefore, an increase in the landing diameter of the disc only has a positive effect on handling and grip quality, impairing only the comfort from shaking in the car.
8.59.51010.51111.512.513.5313233378295100
Diameter:
All1313C14C141515.315C16.516C161717.517C18C181919.519C20C202121C2222.52389101112C1224C24252628303232C343830000000
| Parameters | Size in inches |
|---|---|
| Disc diameter | {{ form.d_diametr }} |
| Minimum width | {{ widthmin=(form.d_width * (form.d_height |
| Maximum width | {{ widthmin + 1.5 }} |
This rim selection calculator is used so that the customer himself can select rims for tires or tires for rims in width.
The width of the rim may vary for the same tires, unlike the diameter of the rim. This is due to the fact that the design of the cord does not prevent the rubber sidewalls of the tire from being slightly wider or already within acceptable limits (for example, on the BMW E39the manufacturer put 225 tires on 16 rims 7 inches wide, and on the Mercedes W210 at the same time the factory installed 215 tires on 16 rims 7.
5 inches wide with the same profile height of 55%; at the same time, the parameters of 17 tires and disks on these two models coincided completely). But the steel side rings, which determine the diameter and are responsible for the tight and hermetic fit of the tire on the disk, do not allow such liberties.
When mounted on discs that are too wide for these tires, the tire will stand on them with a "house" - this is not very beautiful (in the context it will look like a trapezoid), the disc will be wider than rubber and will receive damage on every curb or stone on the road. And most importantly, the area of contact of the tread plane with the road will decrease.
When tires are installed on disks that are too narrow for them, the tires will bend along their entire length like a cobra's hood. This is completely unacceptable. In addition to a reduced contact patch and increased wear of the central part of the tire tread, irreversible deformation of the steel cord of the tire will inevitably begin.
When choosing wheels for a car, it is necessary to take into account the offset of the disk, that is, the displacement relative to the hub to the outside of the car, which does not allow this disk calculator to be made. When installing new discs, they must be fitted before mounting the tires. This is an inexpensive, but very responsible operation according to the principle of measuring seven times, even more necessary than trying on shoes of your size before buying in a store, since the metal does not wear out over time, but must fit right away. The diversity of the shape of the calipers of modern cars and the inner surface of the entire diverse range of rims does not allow you to rely on any one catalog.
When you change the full diameter of the wheel, the speedometer readings will change in the percentage that our car tire calculator shows. With an increase in diameter of more than 1.5%, it is likely that the use of automobile chains for snow or mud cover will become impossible.
