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🖥️ 宽高比计算器Aspect Ratio Calculator
计算宽高比（如 1920×1080 = 16:9），或按比例由新宽度求高度，适用于视频、图片和响应式设计。Find the aspect ratio (1920×1080 = 16:9) or resize by ratio — for video, images and responsive design.
使用说明与常见问题How-to & FAQ
「宽高比计算器」是什么？What is the Aspect Ratio Calculator?
计算宽高比（如 1920×1080 = 16:9），或按比例由新宽度求高度，适用于视频、图片和响应式设计。Find the aspect ratio (1920×1080 = 16:9) or resize by ratio — for video, images and responsive design.
如何使用「宽高比计算器」？How do I use the Aspect Ratio Calculator?
在「宽高比计算器」中，填写「宽」、「高」、「新宽度」、「或新高度」等参数，结果会随输入实时计算并显示在下方。In the Aspect Ratio Calculator: Fill in "Width", "Height", "New width", "or New height"; results are recalculated instantly as you type.
生成的 CSS 兼容哪些浏览器？Which browsers support the generated CSS?
「宽高比计算器」生成的是标准 CSS 属性，Chrome、Edge、Firefox、Safari 的现代版本都支持，可选中结果后复制使用。The Aspect Ratio Calculator outputs standard CSS supported by current Chrome, Edge, Firefox and Safari; select the result and copy it.
「宽高比计算器」免费吗？需要注册吗？Is the Aspect Ratio Calculator free? Do I need an account?
「宽高比计算器」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 Aspect Ratio 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.