Mondo Knows Tools
Voltage Drop Calculator
Voltage lost along a wire run. Use the free voltage drop calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.
A
ft
V
Mondo says
Voltage drop
5.79 V
Percent drop4.83%
Voltage at load114.21 V
Within 3% guideNo
Voltage Drop Calculator: common questions
- What does the Voltage Drop Calculator work out?
- Voltage lost along a wire run. It is one of the Everyday & Tech tools on Mondo Knows.
- How is the Voltage Drop Calculator calculated?
- You get an instant answer with the working shown underneath.
- Do I need to sign up, and is my data stored?
- No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.
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Facts that connect to the voltage drop calculator
Short, sourced facts that point back to this tool.
The War of the Currents decided the global standard for power gridsNikola Tesla and George Westinghouse's AC system won over Thomas Edison's DC power systemElectrical transformers change AC voltage levels using electromagnetic inductionWilliam Stanley Jr and the Ganz Works developed practical high-voltage power transformers
Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.