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🔋 分压电路计算器Voltage Divider Calculator
计算电阻分压电路的输出电压：Vout = Vin × R2 / (R1 + R2)，以及电流和功耗。Output voltage of a resistor divider: Vout = Vin × R2 / (R1 + R2), plus current and power.
使用说明与常见问题How-to & FAQ
「分压电路计算器」是什么？What is the Voltage Divider Calculator?
计算电阻分压电路的输出电压：Vout = Vin × R2 / (R1 + R2)，以及电流和功耗。Output voltage of a resistor divider: Vout = Vin × R2 / (R1 + R2), plus current and power.
如何使用「分压电路计算器」？How do I use the Voltage Divider Calculator?
在「分压电路计算器」中，填写「输入电压 V」、「R1 Ω」、「R2 Ω」、「负载电阻 Ω(可选)」等参数，结果会随输入实时计算并显示在下方。In the Voltage Divider Calculator: Fill in "Vin V", "R1 Ω", "R2 Ω", "Load Ω (optional)"; 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?
「分压电路计算器」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 Voltage Divider 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.
「分压电路计算器」免费吗？需要注册吗？Is the Voltage Divider Calculator free? Do I need an account?
「分压电路计算器」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 Voltage Divider 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.