首页Home › 科学与工程Science & Engineering
🌈 色环电阻计算器Resistor Color Code Calculator
选择 4 环或 5 环电阻的颜色，计算阻值、误差范围，并显示色环图示。Pick the bands of a 4- or 5-band resistor to get resistance and tolerance, with a drawing.
使用说明与常见问题How-to & FAQ
「色环电阻计算器」是什么？What is the Resistor Color Code Calculator?
选择 4 环或 5 环电阻的颜色，计算阻值、误差范围，并显示色环图示。Pick the bands of a 4- or 5-band resistor to get resistance and tolerance, with a drawing.
如何使用「色环电阻计算器」？How do I use the Resistor Color Code Calculator?
在「色环电阻计算器」中，填写「色环数」、「第1环」、「第2环」、「第3环(5环)」、「倍率」等参数，结果会随输入实时计算并显示在下方。In the Resistor Color Code Calculator: Fill in "Bands", "Band 1", "Band 2", "Band 3 (5-band)", "Multiplier"; results are recalculated instantly as you type.
计算结果可以用于作业或工程吗？Can I use the results for homework or engineering?
「色环电阻计算器」使用教科书标准公式，并列出所用公式和中间值，适合学习和估算核对；涉及安全的工程设计请以规范和实测为准。The Resistor Color Code Calculator uses standard textbook formulas and shows them, which is good for learning and checking estimates; for safety-critical engineering follow codes and measured values.
「色环电阻计算器」免费吗？需要注册吗？Is the Resistor Color Code Calculator free? Do I need an account?
「色环电阻计算器」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 Resistor Color Code 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.