# How To Measure A Bolt Pattern On A Rim

Luckily, it's actually really easy to measure a bolt pattern. First, count the number of bolts on the wheel well, then measure the diameter of a circle that runs through the center of each bolt. Put those two numbers together, and bam! You've got an accurate measurement of your bolt pattern. Part 1 Counting the Bolts 1 To find your bolt pattern, measure the distance as accurately as possible and then find the corresponding bolt pattern in the conversion table below. For example, if you have a 5 lug wheel and your measurement is 5″ then your bolt pattern is 5 x 5″ (5 x 127mm). how to measure bolt pattern Bolt Pattern Conversion Chart

The diameter of a circle drawn between the centers of all the bolts on a wheel is what the bolt pattern is. Measure from the center points of the lugs at the top and bottom of the pattern for bolt patterns with an even number of lugs, which are simpler to measure than designs with five lugs. To measure an 8 lug bolt pattern, measure center to center of two holes directly across from each other. No need to guess any longer! Speedway Motors has a precision bolt circle template that simplifies the most common 5 lug patterns for you. Our bolt circle template and our Wheel Bolt Pattern Tool are must have tools for the shop or swap meet.

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Given the diameter of the vehicle's bolt pattern, you will be able to determine which wheels will and will not be a match for your vehicle. Finding your Measurement - A common bolt pattern ranges anywhere from a 4 to an 8 lug on most vehicles these days. A bolt circle of 6×139.7 would indicate a 6-lug pattern in a circle with a diameter of 139.7mm.

It might be a simple process but we can always use a refresher. Today on Explained, we're talking about how to measure a bolt pattern. Make sure to Like, Comment and Subscribe for more videos!.

SUBSCRIBE https://goo.gl/JVLZHHMeasuring bolt patterns can be confusing if you don't already know how. This video will be able to help those that want to l.

The first step in determining your wheel bolt pattern is counting how many bolts (or lugs) your wheel has. Typically this will be 4, 5, 6, or 8. Next, you'll measure how many inches apart the bolt holes are. These two steps together will give you your bolt hole pattern.

Before worrying about equations, remember, the easiest way to get BCD for a bolt pattern with even numbers of bolts is direct measurement. Strait across from one bolt or hole, to the opposite bolt or hole on the other side of the hub. There are only a few standard patterns, so you don't have to be super exact in measuring.

A bolt pattern, also known as the lug pattern or PCD (pitch center diameter), is the measurement of an imaginary circle formed by the lug holes at the center of your wheel. The first number indicates how many bolt holes or wheel studs the wheel or vehicle has. The second number is the diameter of the imaginary circle around the holes.

5-bolt patterns can be more difficult to measure since the bolt holes are not directly across from each other. You can estimate the measurement by using a straight line from the backside of one hole to the center of the third bolt hole. The accurate measurement is depicted here and can only be measured with a special tool called a bolt pattern gauge or by using a complex geometric equation.

Measure from the middle of one stud to the outside of the second stud (skipping a stud). The number you see will be the actual measurement of the bolt pattern. So if you see 4 1/2 inches, you have a 5 on 4 1/2 ( also 5×4.5 and 5×114.3) bolt pattern. Other common bolt patterns are 5×4.75 and 5×5.

The industry standard bolt pattern is 5 lug on 4.5″ (545) with 5 lug on 5″ (550) following in second. Option 1 is usually easier to do while the wheel is still mounted on the axle. With both options to measure the bolt pattern you will still end up with the correct bolt pattern. If you need more help or have any questions call us at 602-292.

Use a ruler to measure diameter if you don't have a bolt gauge. Measure from the outermost edge of the bolt's thread on one side to the outermost edge of the thread on the other side. Make sure your measurement is in a straight line across the thickest portion of the bolt. [2] 3 Record the diameter.

Early Chrysler full size and luxury sedans were built with a large five lug bolt pattern. It is the same as the large Ford pattern, measuring 5x5.5 inches. Later, Chrysler moved to a smaller bolt pattern and stayed with it for many years. This pattern is also shared with Ford, as it is the 5x4.5-inch pattern.

2018 Honda Accord bolt pattern. Every Honda Accord model in the current generation (2018-2023) has the same bolt (aka lug) pattern of 5x4.5. This can also be written as 5 on 4.5. Lug patterns are expressed in these terms: # of bolts x diameter of the circle they form.

If you are measuring the wheel the easiest way is to measure the distance between the center of one lug hole to the center of the lug hole adjacent to it, then look on the chart and if that measurement is 2-5/8 inches the bolt pattern is 5 on 4-1/2. If it measures 3 inches the bolt pattern would be 5 on 5. I am including a picture that will.

Bolt Pattern. You can't fit a 6-bolt rim on a 5-lug hub. It's all too easy to see a variety of rim styles, fall in love with one and purchase it, only to find that it doesn't fit because of a mismatch in bolt pattern.. You can use online tire size calculators where you input your stock wheel and tire size, and they tell you the range.

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