Tire Calculator Notes: Tire diameter can vary slightly for each tire model. A tyre size conversion calculator or tyre diameter calculator are the best ways to get the answers you are looking for. You already have one wheel If you have an accident and they trace it back to the fact that the tyres youve fitted contributed or caused it, you will be in trouble regardless of what insurance you have. Just to clarify tyre sizes, any car that is placarded with 265/70/16 tyres, most common size, cannot run a 33 or 285/75/16 because this exceeds the 50mm difference. I think the tyre size thingy applies to the biggest tyres fitted to the model. This size fits without any rubbing problems, and no trimming or additional modifications are required to make them function properly. However, theres always the slim chance that it doesnt go through and you could be in for a world of pain. This is for informative purposes only. This includes not showing signs of chunking (where chunks of tread break away), or separation from the tyre carcass. I think they do this as its the only measurement that goes up with increased tyre size, suspension and body lifts. Tyre tread also helps to: Drain water so your tyre stays dry to avoid any accidents. 175/65R14. 5. Pay for it later - in four equal instalments. The tire size comparison calculator takes the measurements of two tyres and compares the diameter, width, sidewall, circumference, and revolutions per mile. Learn more Nitrogen Inflation Its only the inch below the diff that raises the vehicle. The 285 is actually 7mm too big. There are heaps of calculators, google tyre size calculator but the best info you can get is from your local RTA authority websites. This second number is that percent. Posts: 66,782 Thanked: 266,033 Times View My Garage . Tyre Repair Its not worded very clearly, is it? However there are maximum limits that an inspection authority can certify. Calculate metric or inch tyre dimensions and compare to similar tyre sizes. The link provided is just a tyre size calculator and not a comprehensive tyre guide. Australia and New Zealand. and Terms of Service apply. It can also go the other way, adversely affecting the way a car behaves on the road. You can measure this, but yes, 50mm maximum in diameter increase, and width you can go as wide as you want, as long as its covered by flares. Cheers. Flat tyre? Calculate your offset, compare tyre stretch, rolling radius and more. Check out our guide for answers to all your questions. In this example, the width is 185. For each tyre size you input our tyre calculator suggests multiple tyre sizes that are with in one inch bigger and smaller of the entered tyre size. Will They Fit - The No.1 Online Alloy Wheel & Tyre Fitment Calculator. should be the OE tyre size) diameter. Cop at an rbt chatted me about the 285/75r16 tyres that have been on the 80's wheels for the last 7 yrs. Our tyre safety tips provide practical advice: Keep tyres (including the spare) inflated to the recommended levels. Anything below 1.6mm is considered illegal in Australia. In reality then, you are limited to: 1 inch lift and 2 inch bigger diameter tyres (together) 2 inch lift and the same size tyres. The moment you change that, the engineering goes out the window. maybe lol - need a Gingerbeers certificate if tyres are over 7%. I dont mate, but Im told the guys at Regency should be able to give you a list. NOTICE: Tire dimensions presented in the resulting table, as possible new tire dimensions for the Tyre tread is the rubber found on the circumference of your tyre. High-performance 4x4 ute a candidate for on- and off-road police duty. 2 inch lift and the same size tyres. Tire is 5 mm closer to suspension components. wheel diameter, width and offset, PDF. Do you know of any engineers in SA that could sign off a 4 wheel drive? Wheel/Rim Size Calculator in which To find alternative tyres, simply click on each size to see what Tyroola has available. For more tyreand wheel information check this transport.qld. There are plenty of big, engineered 4WDs around so its not always unsafe. Get recommended upgrade/replacement tire sizes, with adjustable difference variables (rim size diff./section width diff./circumference diff.) JavaScript is disabled. Ive just bought a set of used tires(205/60/16). Assuming that this is OE wheel/tire and there are no any problems with clearance on both sides. My request at DOTWA was rejected on this basis. In other words, it says what is acceptable deviation of the The tyre size calculator shows the effect of changing tyres. Ok so for the practicalities, if it rides like a boat then it is illegal, if in the braking arena you bend the pedal, foot well or your leg or presents anxioty than its possible illegal or brakes are not up to spec. Now, I understand this post may get your blood boiling a bit, and I totally understand. If you live in different states, then you will have to do some digging. Unless you planning on doing serious off road work, Id get the 16s. You must log in or register to reply here. This is a compliance notice which can only be removed by a qualified vehicle examiner once the vehicle is brought back to roadworthy standards. just curious In order to cover yourself, get any modifications that are outside of the regulations engineered. Example requiring certification: Replacing 215/65R17 (712 mm overall diameter) tyres with 265/65R17 (776 mm overall diameter) tyres, an increase in overall diameter of 64 mm, or 8%. Regularly get your tyres rotated to ensure even tread wear. The second number on a metric tyre is to calculate the side wall measurement. In theory then, a car with 15-inch wheels might be able to take a 17-inch space saver. Wheel and tyre combinations that exceed these rules can be used as long as an engineering certificate has been issued by an appropriate inspection authority. Good to know. Dated 25 October 2018. Remove any objects lodged in the tread and check for gouges or punctures. Upsizing or fitting taller / larger tyres will reflect a slower speedometer reading than your actual speed. The sidewall and aspect ratio are used in metric sized tyres to determine the overall height of a tyre. I have a 44 that runs 255/60/18 I wont to fit 265/60/18 because there is a greater choice of tyres .ls this legal . Speak to an engineer, but youll find the process of engineering is to make the vehicle safe in its condition. Select your tyre size and find the right car tyre for you. OE tyre and OE wheel diameter, presented as percentage(%). There are a heap of grey areas when it comes to 4WD insurance, and youve highlighted one of them! You can use it for a wide variety of tyres including street, racetrack, trailer, spare, off-road and even extreme mud-terrain tyres. Cheers mate. Factory Tyre size is 30.6. Front Tyre Size Front Rim Rear Tyre Size Rear Rim; 2023: Ute : 255x70 R16 255x70 R16 2022: Ute : 215x70 R16 215x70 R16 . This tire calculator is for information . Find the series of numbers on the sidewall. To calculate a metric tyre to height in inches: (#1 x #2 / 2540 x 2) + (#3) Example: 285/75R16 (285 X 75 / 2540 x 2) + 16 = 32.8 inches tall. I want to increase to either a 265/75/16 (803.9mm) or a bigger 275/70/17 (816.8mm). Look at the tyre size on your placard and you can go 50mm above that in WA. simple it might look on the first sight, it requires a tire professional with an experience and testing You are using an out of date browser. Simply pay in instalments. Find the right tyre size for your vehicle or learn more about tyres, Tyroola offers free shipping and delivery to selected metro areas, At Tyroola you can fit out your whole car under $160. Nicely written article Aaron, cheers buddy. The sidewall height is a percentage of the width of the tyre. Getting a yellow sticker off your vehicle can be a pain, because even if the Police only pick one or two items that need attention, in order to pass the vehicle examination everything is scrutinized. You may also need to consider a wheel alignment service. Tyre and Rim Standards Manual, issued by the Tyre and Rim Association of Australia Need vehicle servicing, repairs, accommodation and more for your business vehicles? We would like to hear: %. I have just bought a toyota 80. inn of the mountain gods gift shop / circle k workday login / legal tyre size calculator nsw. Checklist for fitting upsized wheels and tyres Tyres must be legal for road use Tyres must match or exceed the speed and load rating for the vehicle . However surely then if you have 1 lift and 2 bigger diameter tyres your car is now 3 off the ground and illegal? I cant speak for Tas mate. When your tyre tread wears down and becomes flush with these indicators, your tyre has reached the limit of its safety. TYRE UPSIZE CALCULATOR. Let us know about your If you can see the entire platypus bill and your tread doesn't reach or cover it, replace your tyre ASAP. Effectively, you are limited to a 50mm bigger tyre and 25mm suspension lift without engineering. The diameter of 205/60/16 is 652.4mm. Profile / Aspect Ratio (B) - The profile is the depth of the tyre sidewall. 6. Hi All, Our tyre size comparison calculator takes the measurements of two tyres and compares the overall diameter, tread width, sidewall, and difference percentage (%). Id also probably avoid going for steel wheels unless you want to increase your fuel consumption. Therefore you need to find 20" tyres with a rolling distance that falls between 651.4mm and 679.4mm to be legal. The only other solution is you reduce the modifications done to the vehicle so it complies without the need of engineering. Perhaps theres some other reason, like the Prestige is a V6 and may have bigger brakes that wont fit in a 16 rim. I live in Victoria, Youll need to go to the local road authority website and see what they use. Pay for it later - in four equal instalments. It will take longer for your brakes to stop the car on wet surfaces. If you have an accident with an illegal 4WD, what happens? If youre intending to modify your car so it rides low, its recommended you ensure it still meets legal requirements. How to choose the right tyres for my car? Youll have to ring the department of transport over there and ask. We'll reach out to you as soon as we can. Let us know about your However, since your tyre is always in constant friction with the road, the tread will eventually wear down. Hey mate, i noticed you said we are allowed to raise the roof height by 2, however you also said you can get a 2 lift and the same tyres, or a 1 lift and 2 bigger diameter of tyres. Use Tyroola's tyre calculator to find substitute tyre sizes for your vehicle if you're looking for a change. These safety standards are specified in the Australian Design Rules (ADR), and they include the following: The wheel and tyre must be effectively covered by a guard. See changes to diameter, ground clearance, speedometer and get guidance. For the purpose of this post, I will only touch on body/suspension lifts and tyre sizes. I would assume they go off the size listed, not its actual measurement. As with most other jurisdictions, the wheel must be contained within the bodywork of the car, including wheel arch flares. A very useful tyre calculator when searching for tyres that are a different size than stock. If anyone has more that they kno let me kno and ill add them on. Bridgestone Desert Dueler D697 - LT285/65R17 120S - That's a 120 load index = 1,400kgs and S speed rated = 180kph. Any accidents caused by illegal tyres may not be covered by your insurance company. Low profile tyres have smaller aspect ratios. The sidewall is the outer wall of the tire, rather than the tread that contacts the road. The calculator lists optional/alternate tyre sizes, based on the entered OE tyre size, where the overall tyre diameter NO need to pay twice for the same app! do it properly and get it engineered stop bring the heat on everyone that does it correctly I have a jeep wrangler thats lifted 3 inches and with the correct guards all engineered didnt cost much engineering was only 600 through double black off road melb, Good to hear its all done properly mate. Im going to assume you dont have a 4WD? For example, in some parts of Australia you can legally run 50mm bigger tyres with a 50mm lift, but not in WA. Your feedback, suggestions and ideas in order to help us serve you better. This states that your roof height may only be lifted by 2 inch (or 50mm) from the factory (or standard height) before it needs to go through a lane change test. 198.75mm x 2 = 397.50mm. Where are you located? 378 0 obj <>stream Tyre Size Calculator. If your tyres are worn to the tread wear indicators (TWI) - 1.6mm or below - they must be replaced. Cheers. (4th March 2011, 14:41 #4: GTO. Transport for NSW VSI.09, Rev. Let me know what you reckon below! The Drive Team brings you trusted, expert reviews of your next new car and is home to the best new car awards program in Australia. While it may sound simple just to increase the diameter of your wheels, as you . 175/70R13. It also specifies the distance between the bottom of the guard and the centre of the wheel. That said, I think the laws surrounding modifications of 4WDs need to be seriously looked at, and Im sure a number of you would agree. Common mistake, but it works in our favour. Our tyre size comparison calculator takes the measurements of two tyres and compares the overall diameter, tread width, sidewall, and difference percentage (%). Im in WA and have a Suzuki Grand Vitara Prestige. Pat Callinan's 4X4 Adventures; December 1, 2013; . /qkZ#0!\%Z4ZS=I5$:um4+}S'|6Tem@wtL}2Fz?RPwmY}5X;yP,o=OjNWHEQW]'txg^SZ&Osmh6D.*'Wo/ fb=C_'=*6_YhB Shop for Tires. And like other states, the wheels cant protrude from the bodywork of the car when theyre in the straight ahead position. Additionally, wheel width cannot be increased by over 25mm of the widest factory option without needed certification. 4. Plus Sizing your tyres can be also referred to as stepping up. Just fill in the inch measurements you are looking for and it will calculate and exact metric version of that tyre. And hopefully stop people starting all the posts about how big there tyres are. It's NSW reg'd and passed rego inspection just two days ago. It possibly is correct, but itd be good to know for sure. It will help you avoid speedometer errors since its accuracy is directly affected by tyre size. between new tire and old tire. Legally in Australia, tyres must have a minimum tread depth of 1.6mm. When upsizing the wheels and tyres, the overall diameter must be no more than 15mm larger or 26mm smaller than the tyre size designated by the manufacturer for that particular model. I think there is going to be a lot of cracking down in the near future! Do the same for another set you want to compare them with. Do the same for another set you want to compare them with. If I do not have engineering approval, will the police give me a yellow sticker? Online Tyre Size Calculator. Tires calculator. But what I would like to know is if I have my 4wd set up within all nt laws and then travel interstate with 100mm over all lift, am I breaking the law. Tire Size Calculator - tire & wheel plus sizing courtesy of 1010tires in Canada . How to choose the right tyres for my car? RD = 664.4. But whats legal and whats not? For finding the appropriate wheel for the tire size you may use our 15.2mm do exceed the legal range(15mm), but because it is used tires, the tyres tread has been worn out more than 1mm when I put it on my rim. Need tyres? Find the sticker (usually on your drivers door framework) and see what it says. A bigger wheel and tyre combination can really enhance the look of your car and often provide benefits to grip and handling. Any more than this and you face the risk of brake failure. Those Suzukis go really well off road; I would give it a whirl on a beach under some controlled circumstances, and see how it is. A lot of people know their 4WDs are illegal, and dont seem to care. Consider the following, at highway tire pressures you have maximum clearance under the diffs, but drop the pressures from 40 psi to say 20 psi than your diffs are earthward bound, bigger tyres allow more air under the diffs, bigger suspension lift puts the driver into rarified air but does nothing for diff clearance its only the tyres that does this. if suspension flex is your cup of tea, you have either the wrong vehicle or as a weekend warrior either way you are close to home. Can you travel Australia on $800 per week. There is a government website that most workshops have access to, which gives you all the detail you want about roof height. and the legal obligations on vehicle owners, and every attempt has been made to ensure the . http://www.rms.nsw.gov.au/registration/downloads/vsi/vsi6.pdf, Have a clearer view with Next Gen Towing Mirrors, Evolution of the Ford Ranger in Australia, How this Next Gen Everest was turned into a beach touring machine. Why Buy Tires Online? So, if I were to put e.g steel rims from a lower-spec model, with 225/70/R16 tyres on, am I breaking the law, or voiding insurance? Our tyre calculator makes this happen for you. Input your search keywords and press Enter. The most likely place tyres will rub is near where your accelerator is, when you are full locked one way and the tyres flex up. If you have modified any of the following items on your 4WD itwould be a very good idea to do some reading up: That said, there are 32 ways to make your 4WD illegal which are pretty straight forward. This means the maximum size is actually 813.3mm. For more tyreand wheel information check this PDF. In NSW you are allowed to fit wheels that are up to 26mm wider than the manufacturer's specified wheels without needing . Incorrect tyre pressure When changing tire sizes, we recommend staying within 3% of the diameter/height of the original tire. Multiply a tyre's width by the aspect ratio to get aspect height (205 x 0.55 = 112.75) Convert into inches (112.75 / 25.4 = 4.44) Double the aspect height (4.44 x 2 = 8.88) Add inside diameter of tyre (8.88 + 16 = 24.88) When changing tyre size, the tyres should not have more than a 1% difference in diameter - less than 0.5% would be ideal. I, ANDREW BROAD, Assistant Minister to the Deputy Prime Minister, determine this vehicle standard under section 7 of the Motor Vehicle Standards Act 1989. hok0\d$(2[H6JjpL^Kf 9HLe x@j((B(G}#@)@n@!46 )) HEP cY Taking into consideration looks and performance (reduced power, speedo, fuel economy) which size would you recommend? So its a fake 44! Rest assured, our staff have the experience and the know-how to find the right match for whatever fitment you are looking for. But, the tires are the most important component by far. Motor vehicles in Australia are subject to many complex but necessary safety standards, and tyres are no exception. You will find that the Everest had its compliance rating changed to MC, so its not actually a passenger car. The maximum tyre width allowed is 1.3 times the width of the largest optional tyre offered by the manufacturer. In the example above, the profile is 55. Suspension and ride height Gazettal November 2016 2 (35 pages) . 8. Australian law states that if your tread falls below 1.5mm or your treadwear indicators make contact with the road surface, your tyre is classed as unroadworthy. If your tread depth is less than 3mm, you should consider replacing your tyres. The difference in diameter between the two tyres is 8.9mm or 1.13% which is acceptable. Steering and suspension issues So what happens when your tread starts to wear down? Discover our interest free finance options. Discover alternate tyres based on your rim size. endstream endobj 380 0 obj <>stream endstream endobj 381 0 obj <>stream Would insurance still 100% no questions asked cover my nt regoed and compliant 4wd if I were in another state where VSB 14 has been adopted??? What are the shipping charges to my area? For a lot of four wheel drives, 31 inch are standard tyres, so 33 inch tyres are the biggest you can legally fit (or 285s from 265s). A great, cheap option for light trucks and vans, providing low noise and comfort on the road. More importantly, they all have fine print which specifically states that your 4WD must comply with the road regulations, and if it doesnt, refusal of claims can occur. If you have bigger tyres than standard and a 2 inch lift (or bigger), your vehicle is also illegal. CS|Cycling-Sport's tire pressure calculator is to be used as a reference tool for end-users. This is a tyre size chart i saw at a 4wd shop workshop the other day. original equipment(OE) tyre, Our tire size calculator will help you estimate the difference of external dimensions of the wheels, height clearance, revolutions per mile and other characteristics, when installing tires of other sizes on your vehicle. If we have a look at two tyre makers product lines that we have experience with in here at Adventure 4WD there's a couple of alternatives that offer far better strength. Are 1inch coil spacers any good. You see, you are required to tell your insurance company about any modifications done to the vehicle. hU[o0+~41qB"H^ ZHPNe;5; The formulas will also show you the matching ExplorOz Wheel covers that match your tyres. Check out our guide for answers to all your questions. See below for more information on what this refers to. winter tyres. 14 inches - 10 tyres. Just type in the metric fields and click convert to inches. 195/65R15. I currently have a 3 lift with 35 tyres on a dealership purchased 2013 XLT Ranger, Ive been looking at the engineering list and sent out a few emails but noone has actually been able to put into steps just exactly needs to be done so I can avoid getting stickered. NSW In NSW you are allowed to fit wheels that are up to 26mm wider than the manufacturer's specified wheels without needing to notify the Roads and Traffic Authority (RTA). All of these things (and many more) can contribute to having an unsafe vehicle. (OE TD - OE WD or 2 x OE sidewall height). Defective brakes. It also solves the problem of deciding what tyre you would like to run if you have inch . NSW light vehicle modifications code of practice. Many also refer to the National Code of Practice and VSB 14, but there are also some state regulations that can differ. Cheers, Not many companies will advertise 1 inch, and its all dependent on how much your springs have sagged. A vehicle that is illegal has a number of very serious risks attached to the driver (and potentially anyone else using the road), which I will go into below. Dec 16, 2016 #1 I found this from Mr 4x4 in my inbox this morning. Then as a bonus it shows examples of your speedometer reading with the first tyre, and the actual speed you"re traveling if you were to install the second tyre. The skinny tyres fitted to the cheaper models are actually taller than the wider tyres fitted to the GXL.
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