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🛞 轮胎尺寸计算器Tire Size Calculator
解析 205/55R16 这类轮胎规格，计算胎壁高度、外直径、周长和每公里转数，并对比两种轮胎的速度表误差。Decode tire sizes like 205/55R16 into sidewall height, overall diameter, circumference and revolutions per km/mile, and compare two sizes for speedometer error.
使用说明与常见问题How-to & FAQ
「轮胎尺寸计算器」是什么？What is the Tire Size Calculator tool?
解析 205/55R16 这类轮胎规格，计算胎壁高度、外直径、周长和每公里转数，并对比两种轮胎的速度表误差。Decode tire sizes like 205/55R16 into sidewall height, overall diameter, circumference and revolutions per km/mile, and compare two sizes for speedometer error.
如何使用「轮胎尺寸计算器」？How do I use the Tire Size Calculator tool?
在「轮胎尺寸计算器」中，填写「原轮胎规格」、「对比轮胎(可选)」等参数，结果会随输入实时计算并显示在下方。In the Tire Size Calculator: Fill in "Original tire", "Compare with (optional)"; results are recalculated instantly as you type.
「轮胎尺寸计算器」免费吗？需要注册吗？Is the Tire Size Calculator free? Do I need an account?
「轮胎尺寸计算器」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 Tire Size 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.