围栏计算器的线性英尺
将每个直线段、门跨度和坡度加起来为围栏材料计算的一个总线性长度。
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。
概述
围栏是按线性英尺购买和计算的,即从地产角到地产角的栅栏线的每个直线部分的总和。该计算器要求每个直线段和门宽度,将各段相加并减去门开口,这正是您的材料计算所需的数量。
测量线性英尺是卷尺的工作,如果围栏长度很长,则需要使用地图工具,因为计算的准确性取决于您在院子周围测量的线。
假设前提
- The total is the plain sum of every straight segment entered.
- Gate widths are subtracted from the linear total when entered.
- Sloped runs use the slope-adjusted length from the fence slope calculator, not the horizontal distance.
常见错误
- 当每条直线都是一条需要单独测量的单独线时,将 L 形或弯曲的属性边计为一个线段。
- 在总数中留下门跨度,这会为不会被面板填充的开口过度购买围栏。
- 当围栏是一种线性产品并且只有围栏长度的轮廓很重要时,出于习惯而对镜头进行平方。
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。
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跨数
sections = max(ceil(effective run / post spacing), 1)
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立柱数
posts = (sections + 1) along the run, minus named corner and end posts already placed, plus 2 gate posts per gate
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有效长度
effective run = total length - sum of gate widths
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横梁数
total rails = sections x rails per section
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板条数
pickets = ceil(run in inches / (picket width + gap)); total = ceil(raw x (1 + waste %))
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交错叠放式间距
pitch = picket width - 1 inch overlap
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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 %))
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混凝土体积
per-hole = pi x (diameter / 2)^2 x depth; total = per-hole x posts; bags = ceil(total / bag yield)
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坡度调整后长度
slope run = effective run / cos(atan(slope % / 100)); shown alongside, counts use the flat run
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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。
下一步
相关计算器
相关阅读
深度指南
购买指南
A linear feet of fence calculator exists because every material list in fencing starts from one number, the run of the line, not the area it encloses. Posts, rails, pickets, panels and hardware are all counted off that single footage, before height or style ever enters the picture. The arithmetic is additive rather than geometric: walk the property line, note where it turns a corner, and add each straight stretch to the next. A yard with four corners has four segments to measure and sum, and a yard with a jog around a shed or a dogleg along a creek just has more of them, each one still measured and added the same way regardless of how many turns the boundary makes. There is no shortcut that skips measuring each straight run, because a diagonal or curved boundary is longer than the straight-line distance between its endpoints would suggest, and guessing at it tends to under-order material, which on a delivered pallet of panels or a bundled picket order is a slower and more expensive fix than measuring carefully the first time. Once the segments are added, any gate openings come out of the total, since a gate is a measured, framed opening rather than a run of panel or picket, and material should not be bought to fill a hole that a gate will occupy.
Measuring is a tape-and-stakes job for a small yard, and a satellite map with a measuring tool for a long or irregular boundary where walking every foot with a tape is impractical. Either way the segments get entered the same way: one number per straight run. A graded yard adds a wrinkle, because a fence that follows a slope is physically longer than the horizontal distance the tape reads on a flat map. The fence slope calculator converts a horizontal run and a grade percentage into the actual built length, and that adjusted figure, not the flat-ground number, is what belongs in the linear feet total for a sloped section. The guide on how to measure your yard for a fence walks through the full process, including where to start the tape at a property corner and how to handle an irregular lot line without a survey.
Linear feet is also where a wood take-off starts once the run is known. The guide on how many posts for a fence walks the run into post count once a spacing is chosen, and from there the fence rail calculator turns the same footage, now split into post-to-post sections, into a rail count by height and style. None of that math works without the linear total being right first, which is why this calculator is usually the first stop before the wood, picket or panel calculators that follow it, and why rounding it loosely tends to compound: a yard measured a few feet short shows up as a short rail order downstream. Pricing follows the same chain. The fence cost calculator takes a linear foot total and a cost per foot and returns a budget figure, so an accurate linear count upstream is also an accurate budget estimate downstream, while a padded or guessed total turns into a padded or wrong quote.
Linear feet is frequently confused with square feet and with perimeter, and the three measure different things. Square feet multiply length by height and describe an area, relevant for paint or stain coverage, not for how much fence material to buy. Perimeter and linear feet coincide for a simple rectangular lot, which is exactly the case the fence perimeter calculator handles directly from length and width rather than segment by segment, but they diverge once a lot has an irregular boundary, at which point segment-by-segment linear measurement is the correct tool and perimeter formulas understate the real run. A related conversion problem shows up when all that is known is the lot size in acres rather than its shape: the acreage to fence length calculator gives a square-lot estimate from acreage alone, useful for early budgeting before a boundary survey exists, with this calculator as the follow-up once the real sides are measured. For documentation on where the line itself is allowed to sit, the property line and setback guide covers easements and setbacks that affect where a boundary run can be measured from, and the fence materials guide covers how a given linear footage translates into material quantities across wood, vinyl, metal and composite systems. The full set of measurement tools, including the slope, perimeter and acreage calculators referenced above, is collected on the measurement calculators hub. A last practical note: when a run crosses both flat and sloped ground, measure and total each portion separately rather than applying one blanket adjustment to the whole line, since a single average slope figure tends to either overstate the flat stretches or understate the graded ones, and the segment-by-segment habit this calculator already asks for makes that split straightforward rather than an extra step.
常见问题
如何计算围栏的线性英尺?
测量并添加围栏线的每段直线段(以英尺为单位),然后从总数中减去大门开口。该总和就是材料计算器划分为立柱、横梁和栅条的线性长度。
线性英尺的公式是什么?
将地界线上每条直线段的长度相加(L1 加 L2 加 L3,依此类推),然后减去您保持打开状态的大门的总宽度。结果是栅栏以线性英尺运行。
如何在不走遍整个院子的情况下测量栅栏线?
在短距离上用玻璃纤维卷尺测量每个直线段,或者使用带有测量线的地图或卫星工具来测量长或不规则的财产线,完全按照计算器的要求添加线段测量值。
围栏高度会改变线性长度吗?
不,线性英尺与高度无关。高度只会改变材料成本的木板、横梁或面板行数,完整的木材和面板计算器会根据您选择的高度和样式计入。
线性英尺与平方英尺相同吗?
否。对于固体区域(油漆、着色剂或固体填充物),平方英尺乘以长度乘以高度,而线性英尺仅计算沿地面的长度。 100 英尺 x 6 英尺的栅栏面积为 600 平方英尺,但长度为 100 英尺。
弯曲的栅栏是否需要更多的线性英尺?
是的,在限制范围内:实际建造的线比跨越它的弦长,陡峭的斜坡也会增加实际长度。坡度调整是三角法,而不是平面标记:在 25% 坡度上的 100 英尺水平围栏长度会形成约 103 英尺,这是栅栏坡度计算器针对任何围栏长度和坡度组合返回的值。
我应该从总数中减去房屋墙吗?
通常是的。在围栏返回房屋或其他建筑物的情况下,墙壁不需要面板,因此线性总数不应计入整个房屋宽度的间隙。测量时仅输入立柱之间的地面。
测量需要有多准确?
材料是按英尺购买的,因此请测量到最近的英尺左右,并让计算器在末尾添加损耗系数,而不是过度膨胀的部分。最好用一个面板将计算部分围起来,而不是在每个部分都垫上垫子并双层覆盖围栏长度。