跳到主要内容
Fence Calculator

乙烯基尖桩围栏计算器

设计3英尺或4英尺PVC庭院栅栏,精确规划立柱间距、开孔横梁与装饰柱帽。

围栏计算器

输入你的参数,结果会实时更新并显示计算公式。

英尺
高级设置
本地价格(可选)

输入你当地的单价即可查看费用估算,留空则跳过费用部分。

已保存的报价

暂无已保存的报价。

输入围栏长度即可查看完整的材料和费用明细。

概述

乙烯基PVC栅栏还原了传统白色田园栅栏的美好风貌,免去了每年春天刮铲旧漆和重新补漆的繁琐工作。

中空PVC栅栏杆穿过预开孔的上下导轨,顶部配有哥特尖帽、平帽或圆球帽,高雅整洁。

假设前提

  • Panels are nominal 6ft or 8ft widths with 3-inch pickets and 2 to 3-inch spacing gaps.
  • Posts are 4x4 or 5x5 inch vinyl with pyramid, Gothic, or ball decorative caps.
  • Concrete footings anchor each line post below regional frost lines.
  • Gate sections are calculated with custom width deductions and latch post reinforcement.

常见错误

  • 未用水平仪通长校平立柱,导致沿街视线产生波浪起伏。
  • 在冬季冻胀土质中打孔太浅,春融期立柱被冻拔倾斜。
  • 未安装或遗漏粘结立柱防雨帽,导致雨水与落叶灌入空心柱内。
  • 盲目放大立柱跨度导致横向支撑梁在风压下受弯变形。

围栏计算公式

和计算器相同的数学,用大白话写出来。没有黑箱。

  • 跨数

    sections = max(ceil(effective run / post spacing), 1)

  • 立柱数

    posts = (sections + 1) along the run, minus named corner and end posts already placed, plus 2 gate posts per gate

  • 有效长度

    effective run = total length - sum of gate widths

  • 横梁数

    total rails = sections x rails per section

  • 板条数

    pickets = ceil(run in inches / (picket width + gap)); total = ceil(raw x (1 + waste %))

  • 交错叠放式间距

    pitch = picket width - 1 inch overlap

  • 围栏板数

    full panels = floor(run / panel width); add 1 cut panel if the remainder is over 0.01 ft; total = ceil(raw x (1 + waste %))

  • 混凝土体积

    per-hole = pi x (diameter / 2)^2 x depth; total = per-hole x posts; bags = ceil(total / bag yield)

  • 坡度调整后长度

    slope run = effective run / cos(atan(slope % / 100)); shown alongside, counts use the flat run

  • 成本

    materials = (posts x post price + rails x rail price + infill x unit price + 60 lb bags x bag price) x regional multiplier; labor = effective run x labor per ft x terrain multiplier x regional multiplier; installed total = materials + gate hardware + removal + permit + labor

计算器显示的每个数字都由这些公式作用于你的输入得出。

深度指南

购买指南

A vinyl picket fence calculator sizes an open, decorative front-yard style rather than the solid privacy panels covered by the broader vinyl fence calculator, so the inputs that matter most are picket width, typically 3 or 4 inches, and the gap between pickets, which is usually kept narrow enough, around 2.5 to 3 inches, to meet common HOA guidelines and keep small pets from squeezing through. Pickets pass through pre-routed holes in a top and bottom rail rather than being nailed on individually the way a wood picket fence is built, which is the same reason the wood-style picket fence calculator uses a different counting method even though the finished look is similar. Height is typically 3 or 4 feet for a front yard, well under the 6 foot privacy standard, which also keeps most municipal sight-triangle and setback rules out of the way.

Post spacing in a vinyl picket system is tied to the panel or section width the manufacturer engineers the rails for, commonly a 6 or 8 foot bay, and exceeding that recommended spacing is one of the more common installation mistakes, since it lets the horizontal rails sag under their own weight over time. Running the planned spacing through a fence post spacing calculator before setting any posts catches a spacing plan that drifts from the product spec before concrete goes in the ground. Gates are common on picket fences since they are usually the front-facing, walkway-adjacent style, and sizing the opening correctly with a fence gate calculator keeps the latch and hinge post reinforcement planned in from the start rather than retrofitted after the line posts are already set.

Vinyl picket fencing is generally less expensive per linear foot than vinyl privacy, since there is less material in an open picket section than in a solid tongue-and-groove panel, though it still sits above basic chain link in most regional pricing. The broader cost picture across materials is laid out in this fence material cost comparison, which is useful context before assuming picket vinyl is automatically the budget option. Picket-style panels are also one of the more approachable fence types for a first-time DIY installer, since the open design is lighter to handle and more forgiving of small levelness errors than a solid privacy panel, a tradeoff discussed further in this comparison of DIY and contractor-installed fencing.

Vinyl picket fencing resists the splintering and repeated repainting cycle that a painted wood picket fence needs, which is the main reason buyers choose it for a front yard where appearance matters year-round. Quality vinyl includes titanium dioxide UV inhibitors in the compound to resist yellowing and chalking, though lower-grade products can still discolor faster under intense sun exposure, which is worth checking in the product spec before buying on price alone. The vinyl fence installation guide covers the general vinyl post-setting and rail sequence that applies to picket just as much as privacy styles, and the broader fence materials guide is a useful reference for comparing picket vinyl against painted wood over a 20 year ownership horizon.

For anyone deciding between an open picket look and a fully opaque style in the same material, comparing this calculator's output against the vinyl privacy fence calculator for the same run length shows the real difference in post reinforcement and panel cost between the two styles, and the full vinyl and composite calculator hub lists every related calculator for side-by-side comparison before a final material and style decision.

Cap style is a small detail that still shows up in the hardware count: pyramid, Gothic, ball and spade caps are all common on vinyl picket posts, and while they do not change the post or picket quantity, mismatching a cap style to the picket top shape, round pickets with flat caps or vice versa, is a common ordering mistake worth checking before the materials ship. Corner and end posts on a picket run are usually the same size as line posts, unlike a privacy fence where corner posts sometimes need extra reinforcement, since an open picket section puts far less lateral load on the post than a solid wind-catching panel does. That lower load is also why picket fences tolerate slightly more variation in post plumb and spacing before it becomes visually obvious, compared to a privacy fence where a single leaning post in a solid run stands out immediately. None of this changes the core calculation of posts and panels from the run length, but it is worth confirming cap style and post size against the specific product page before finalizing an order, since picket styles vary more by manufacturer than the underlying post-and-rail structure does.

Front yard placement adds a few practical considerations that a backyard privacy run does not usually face. Picket fences commonly sit closer to a sidewalk, driveway or corner sight line than a backyard privacy fence does, so local rules about maximum height near a corner lot or a driveway sight triangle are worth checking before the post layout is finalized, since a fence that is compliant at 4 feet in the back of a lot can still run into a shorter limit near the front corner. Walkway gates on picket runs also tend to see more daily use than a side or backyard gate, so choosing latch hardware rated for frequent use, rather than the lighter hardware sometimes supplied with a basic gate kit, is a reasonable upgrade to plan for even though it falls outside the material takeoff itself. None of these affect the panel or post count directly, but they are the kind of front-of-house detail that is easy to overlook when the calculator output is treated as the entire plan rather than one part of it.

常见问题

前院矮栅栏常见的标准高度是多少?

3英尺(约90厘米)和4英尺(约120厘米)最为常见,且符合大多数社区关于转角视线盲区的规定。

这种围栏对家庭宠物安全吗?

非常安全。塑料表面无倒刺不伤皮毛,约6至7厘米的栏杆间距能有效防止小型犬外逃。

起伏不平的地形好装吗?

比全封闭板更好装,开放式立杆在横梁孔内有一定活动摆角,可以很自然地贴合坡度。

60英尺栅栏需要几根立柱?

若按标准的6英尺单元跨度,直行不含门共需10跨、11根立柱。

立杆是如何固定在横梁上的?

通常利用插孔内部的隐形自锁塑料倒钩或下方内装不锈钢螺丝防拔出。

打草机尼龙绳会打裂PVC立柱吗?

粗尼龙打草绳会磨损塑料表层。建议在立柱根部套上护套或铺设碎石隔离带。

白色的栅栏日晒久了会发黄变色吗?

合格产品富含二氧化钛(TiO2)抗紫外成分,能长年抵御日光辐射,不黄变、不粉化。

安装主要需要用到哪些施工工具?

打孔机或铁锹、4英尺水平尺、拉绳、卷尺、手电钻、细齿切割锯及水泥搅拌推车。