🧵 被子包边布用量Quilt Binding Calculator

使用说明与常见问题How-to & FAQ

「被子包边布用量」是什么？What is the Quilt Binding Calculator tool?

包边总长 = 被子周长 + 预留（默认 12 英寸），按布幅可用宽度裁成若干条，算出需要的布条数和布料长度。本地处理。Binding length = quilt perimeter + extra (12 in by default); strips cut across the usable fabric width give the strip count and fabric length needed. Processed locally.

如何使用「被子包边布用量」？How do I use the Quilt Binding Calculator tool?

填写被子的宽和长、布条宽、布幅可用宽度和预留长度（默认 12 英寸），即可得到包边总长、需要裁几条布条以及所需布料长度。结果会随输入实时更新。Enter the quilt width and length, the strip width, the usable fabric width and the extra length (12 in by default) to get the binding length, the number of strips and the fabric length needed. The result updates as you type.

斜纹包边？Bias binding?

斜裁布条接缝更多，建议多预留 10% 布料。Bias strips need more seams - allow about 10% extra fabric.

能举个计算实例吗？Can you show a worked example?

例如在「被子包边布用量」中填 被子宽 in = 60，被子长 in = 80，布条宽 in = 2.5，布幅可用宽 in = 40，预留长度 in = 12，结果区显示：包边总长：292 in；布条数：8；布料长度：20 in = 0.56 ydFor example, entering Quilt width in = 60, Quilt length in = 80, Strip width in = 2.5, Usable fabric width in = 40, Extra length in = 12 in the Quilt Binding Calculator gives: Binding length: 292 in; Strips: 8; Fabric needed: 20 in = 0.56 yd

哪些输入会被检查？Which inputs are validated?

「被子包边布用量」会检查这些输入——「被子宽 in」、「被子长 in」、「布条宽 in」、「布幅可用宽 in」：必须填写，须大于 0；「预留长度 in」：必须填写，不能为负数；绝对值超过 10¹⁵ 的数也会被拒绝。不符合时结果区显示具体提示，不会给出数字。The Quilt Binding Calculator checks its inputs — "Quilt width in", "Quilt length in", "Strip width in", "Usable fabric width in": required, must be greater than 0; "Extra length in": required, cannot be negative; numbers above 10¹⁵ in absolute value are rejected too. When a value fails, the result area names the problem instead of showing a number.

有哪些选项可以调整？What options can I adjust?

「被子包边布用量」的设置：「被子宽 in」默认 60；「被子长 in」默认 80；「布条宽 in」默认 2.5；「布幅可用宽 in」默认 40；「预留长度 in」默认 12。每次生成结果都按当前设置处理。Settings in the Quilt Binding Calculator — "Quilt width in" default 60; "Quilt length in" default 80; "Strip width in" default 2.5; "Usable fabric width in" default 40; "Extra length in" default 12. The result always uses the current settings.

「被子包边布用量」免费吗？需要注册吗？Is the Quilt Binding Calculator free? Do I need an account?

「被子包边布用量」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Quilt Binding Calculator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.