To estimate fence materials, measure your total fence line in linear feet, subtract the width of any gate openings, then divide the remaining footage by your panel length (typically 6 feet) to get your panel count. Add one post per panel run plus extra posts for corners, ends, and gates, then build in a 5 to 10 percent waste buffer for cuts, slopes, and mistakes.
Ordering the wrong amount of fence material is one of the most common and most expensive mistakes a homeowner can make. Order too little and you’re stuck waiting on a second delivery mid-project, paying extra shipping, or settling for a mismatched batch. Order too much and you’ve tied up money in panels, posts, and hardware sitting unused in your yard. Learning how to estimate fence materials correctly before you buy anything saves both time and cash, and the math is simpler than most people expect once you break it into steps.
That’s exactly the kind of planning problem Big Easy Fence Supply helps New Orleans homeowners solve every week. As a local supplier of aluminum and wrought iron fencing, the team has walked hundreds of properties across the city and knows how local lot shapes, slopes, and older property lines throw off a rough guess. Visit bigeasyfencesupply.com to browse products, or read on for the exact measuring and counting process, then call for a free estimate if you’d rather skip the spreadsheet.
Walk the entire planned fence line with a 100-foot tape measure or a measuring wheel, marking every corner, gate location, and direction change with a stake or spray paint. Write down the linear footage for each straight run separately rather than guessing one total number for the whole yard. Sketch a rough diagram as you go, noting slopes, trees, utility boxes, or anything else the fence has to work around. This diagram becomes the reference point for every calculation that follows.
New Orleans lots often have irregular back corners, drainage ditches, or a slight grade toward the street, and all of that changes how many posts and panels a run actually needs. Measuring in sections, rather than one straight-line total, catches those details before they become a surprise at install time. If you’re unsure which panel style fits your layout, the products page breaks down the aluminum and wrought iron options available for residential runs.
Divide your total linear footage by your post spacing, which is typically 6 feet for aluminum and wrought iron panel systems, then add one. That formula, length divided by spacing plus one, gives you the number of line posts for a straight run. Every corner, dead end, and gate opening needs its own dedicated post on top of that count, since those posts carry more structural load than a standard line post.
A simple example: a 120-foot straight run with 6-foot spacing needs 20 line posts, plus one extra at the very end. Add two more posts for a single walk gate, and you’re at 23 posts before you’ve touched a second side of the property. Before finalizing material types, it helps to compare styles side by side using the buyer’s guide to fence materials in New Orleans, since aluminum and wrought iron posts differ slightly in spacing and mounting hardware.
Subtract the width of every gate opening from your total linear footage first, then divide what’s left by your panel length, typically 6 feet for residential aluminum sections, and round up to the next whole panel. This step is where most over-orders and under-orders happen, because it’s easy to forget the gate math and just divide the raw perimeter number. Rounding up matters too. A run that comes out to 19.3 panels still needs 20 full panels, since suppliers don’t sell partial sections.
Using the earlier 120-foot example with one 4-foot gate, you’d subtract that 4 feet, leaving 116 feet of panel run. At 6 feet per panel, that’s 19.3, rounded up to 20 panels. Height matters here too, since Bennington-style residential aluminum comes in 36 to 72 inch heights, and the residential aluminum page lists the exact panel and height combinations available so you’re ordering the right product from the start.
If your numbers are looking complicated, or you’d rather have a professional double-check them before you spend a dime, call 504-608-7730 or just call us and we’ll do the math.
Gate posts and corner posts need heavier-duty hardware than standard line posts, since they carry more weight and stress, so budget for them as a separate line item rather than folding them into your general post count. A single-swing gate typically needs two posts sized for the gate’s weight and width. Corner posts anchor two directions of fencing at once, so they’re built and set differently than a mid-run line post.
Slopes add another wrinkle. On sloped ground, aluminum and wrought iron panels are usually installed in a stepped pattern rather than raked to follow the grade exactly, which can shorten the effective coverage of each panel and push your total panel count up slightly. If your property has any grade change, add a 5 percent cushion to your panel estimate to cover the stepping. A well-planned fence is also a long-term investment, and understanding how long aluminum fencing lasts in New Orleans helps put the extra planning time in perspective.
Add a 5 to 10 percent buffer on top of your calculated panel and post counts to cover cutting errors, damaged pieces, and small measurement mistakes discovered during install. Even careful DIYers run into a bent post, a panel that doesn’t sit right on uneven ground, or a measurement that was off by a few inches once digging starts. A small buffer means you finish the project without a second trip to the supplier.
This buffer also gives you flexibility for finishing touches. If you’re planning post caps, decorative trim, or matching hardware to keep the finished fence looking sharp, the tips in how to make your fence look nice are worth reading before you finalize your order, since some of those details need to be ordered alongside your main materials.
Estimating fence materials correctly means fewer delays, less wasted money, and a smoother install from the first post to the last panel. Measuring in sections, accounting for gates and corners, and building in a waste buffer takes the guesswork out of the process before you ever place an order.
Big Easy Fence Supply has helped New Orleans homeowners get these numbers right on more than 1,500 local projects, and the team can walk your property or review your measurements before you buy a single panel.
Call Big Easy Fence Supply today at 504-608-7730 for a free estimate, or reach out through the contact page to ask about “Fence Now, Pay Later” financing on your next project.
With standard 6-foot post spacing, a 100-foot straight run needs about 17 line posts, plus additional posts for any corners, ends, or gates along that run. Always round up when the math produces a decimal, since posts can’t be split.
Bennington residential aluminum panels are typically sold in 6-foot sections, with height options ranging from 36 inches up to 72 inches depending on the style. The right height depends on whether the fence is meant for pool safety, privacy, or general property definition.
Yes. Subtract every gate opening from your total linear footage before dividing by panel length, or your panel count will come out too high. Gates use dedicated posts and hardware instead of a standard fence panel.
Add roughly a 5 percent cushion to your panel count on sloped properties, since aluminum and wrought iron panels are typically stepped rather than raked to match the grade. This stepping slightly reduces the horizontal coverage of each panel section.
Yes. Big Easy Fence Supply offers free estimates for New Orleans homeowners and can review your measurements or visit your property to confirm exact panel, post, and gate counts. Call 504-608-7730 to schedule a walkthrough.
A line post supports a single straight run of fencing, while a corner post anchors two fence runs meeting at an angle and carries more structural load. Corner posts are typically set deeper and with more concrete than standard line posts.