What is the Voltage Divider Calculator?
Compute the output voltage of a two-resistor divider. The Voltage Divider Calculator is a free online tool that works instantly in your browser — no installation, no signup and nothing to upload. It sits alongside other Engineering tools on DevNibble such as Ohm's Law Calculator, Resistor Color Code Calculator, Series / Parallel Resistor Calculator.
How to use the Voltage Divider Calculator
- Enter your values in the fields.
- The result is calculated instantly as you type.
- Copy the output.
Features
- Runs 100% in your browser — your data is never uploaded or stored.
- Free forever, with no account, no ads and no tracking.
- Copy or download your result in one click.
- Fast and responsive on desktop, tablet and mobile.
Frequently asked questions
Is the Voltage Divider Calculator free to use?
Yes — Voltage Divider Calculator is completely free with no sign-up, no ads and no limit on how many times you can use it.
Is my data private when I use the Voltage Divider Calculator?
Everything happens locally in your browser. Your input is never sent to a server, which makes Voltage Divider Calculator safe to use with private or sensitive data.
How do I use the Voltage Divider Calculator?
Fill in the input fields and Voltage Divider Calculator calculates the result live as you type.
What formula does the Voltage Divider Calculator use?
It applies the standard, well-established formula for this calculation and computes the answer precisely in your browser.