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Fence Calculator

栅条围栏计算器

计算经典栅条围栏的立柱、横梁和栅条,板之间有明显的间隙,前院风格而不是隐私。

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

经典的栅条围栏在板之间有明显的间隙,通常约为 1.75 英寸,而不是隐私围栏的零间隙。该间隙直接添加到栅条间距公式中,这就是为什么相同的长度在这种风格中需要的栅条明显少于对接隐私布局。

栅条围栏通常也比隐私围栏短,通常为 3 到 4 英尺,因为它们标记边界而不是阻挡视线。

假设前提

  • A default gap of about 1.75 inches is applied for the picket style, editable in the picket gap field.
  • Height defaults to the shorter picket range common for this style (3 to 4 feet).
  • Picket count comes from run length, board width and gap, plus the waste factor.

常见错误

  • 在栅条式围栏上使用零隐私围栏间隙,这低估了栅条数量,并且与经典外观不匹配。
  • 建造比需要更高的栅条围栏;大多数栅条围栏的工作高度为 3 至 4 英尺。
  • 将间隙四舍五入为任意猜测,而不是选择一个并让计算器计算它所暗示的计数。

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 classic picket fence sets a visible gap between boards, commonly around 1.5 to 2 inches, rather than the zero gap used on a privacy fence. That gap goes straight into the picket pitch, board width plus gap, which is why the same run of fence needs noticeably fewer boards in picket style than in a butted layout. This page shares its underlying post, rail and picket formulas with the general wood fence calculator, with the picket style and a shorter default height, often 3 to 4 feet, already dialed in for the front-yard look picket fencing is usually built for.

If the picket count needs checking against a different width or gap than the defaults here, the fence picket calculator isolates that single formula and shows the pitch arithmetic directly, which is useful when comparing a quote that uses a slightly different board. Widening the gap lowers the picket count for the same run; narrowing it raises the count, and there is no single correct gap, only a design choice that this calculator lets you test instantly rather than recomputing by hand each time.

Posts on a picket fence follow the same spacing rules as any other wood style, commonly 6 to 8 feet on center, since the lighter, more open infill does not change the post load the way a tall solid privacy fence does. The fence post calculator is the place to check post count and spacing on its own, independent of the picket style. For a taller, fuller look that still lets light through on both sides rather than the solid privacy look, the shadowbox fence calculator uses a similar width-plus-gap formula but doubles the board count because it covers both faces of the rail.

For the picket count on a specific run length, how many pickets for 100 feet of fence walks through the math with worked numbers at a few common board widths. The wood fence installation guide covers layout, post setting and rail attachment once the picket style and gap are decided, and the wood fence calculators hub lists every other wood style this site covers if picket is not the final choice.

A gate across a picket fence run is handled the same way as any other wood style: its width is removed from the fenced run before the picket count is computed, and two gate posts plus a hardware set are added to the post total. Picket fences commonly cross a front walkway, so this step matters more here than on a side or rear-yard fence that may not need a gate at all. Entering the gate width accurately avoids both an inflated picket order and a post count that is short by the posts the gate actually needs.

The top profile, whether pointed, flat, dog-eared or arched, is a decorative choice that does not change the picket count, since count is driven entirely by run length, board width and gap rather than how the top of each board is cut. What does matter for a clean result is establishing the pitch, board width plus gap, once and laying it out consistently from the post centers down the run, rather than restarting the gap measurement at each new post, which is how uneven spacing creeps into an otherwise correct material count.

Picket spacing also interacts with sightline rules some municipalities apply to corner lots, where a fence near an intersection may need to stay below a certain height or maintain a clear sightline triangle regardless of how open the picket gap is. That is a separate check from anything this calculator handles, since it is a placement and height rule rather than a material quantity, but it is worth confirming for a picket fence near a corner or driveway before finalizing the design.

Picket fences are also where mixed hardware choices show up most, since a decorative cap or finial on each picket top, if used, adds a small per-picket cost on top of the board itself and is easy to forget when pricing a job from the board count alone. Pickets with a routed or jig-cut point can also be ordered pre-cut from some suppliers rather than cut on site, which changes labor more than it changes the board count this calculator returns.

A picket fence is also one of the more common styles to run along a front property line rather than around a full perimeter, which means it often needs to tie into a different style, such as a taller privacy fence, at the side yard. Where two styles meet at a transition post, that post typically needs to be sized for whichever style demands more, usually the taller privacy run, even though the picket side of the run uses lighter spacing; planning that transition before ordering materials avoids a mismatched post at the junction.

常见问题

经典栅条围栏上的间隙有多宽?

没有一个固定的数字,但大约 1.5 到 2 英寸,通常引用的大约 1.75 英寸,是常见的外观。在相同的长度中,间隙越大,使用的栅条就越少;当您更改间隙时,计算器会立即重新计算。

栅条围栏需要多少个栅条?

由于存在间隙,比同样长度上的隐私围栏要少。 100 英尺高,5.5 英寸板和 1.75 英寸间隙,间距为 7.25 英寸,损耗前大约有 166 个栅条,而零间隙隐私围栏大约有 219 个。

栅条围栏的典型高度是多少?

3 到 4 英尺是前院栅条围栏的常见范围,高度足以标记边界并让孩子和狗在阅读时保持视线,作为装饰而不是防御。

栅条布局和隐私布局有什么区别?

栅条布局将木板之间的间隙看得见,因此栅栏是开放且轻便的;隐私布局与板对接,没有间隙,因此完全坚固。这种差距是栅条公式的全部差异,也是长期成本差异的很大一部分。

栅条总是指向顶部吗?

不。尖尖的栅条是经典的选择,但平坦的、折角的和拱形的顶部也很常见。无论顶部轮廓如何,栅条数量都是相同的,因为它是由宽度和间隙驱动的,而不是高度装饰。

我需要栅栏门吗?

仅当围栏长度穿过您使用的人行道时。该计算器处理门的方式与处理其他样式的门相同:它从长度中删除开口并添加两个门柱和一组硬件。

为什么栅条围栏使用的立柱比隐私围栏少?

他们通常不这样做:两者的柱间距遵循相同的规则,通常为中心 6 到 8 英尺。明显的区别是看板,而不是立柱。

如何长期保持栅条间隙?

确定间距(板宽加间隙)一次,然后从立柱中心开始布置,而不是在每个立柱处重新开始间隙,因此均匀的间距贯穿整个长度,并且每个立柱都落在布局上。