- Enter — Vin, R1, R2.
- Calculate — Vout, ratio, current, and power.
Voltage Divider Calculator
Calculate output voltage and power in a resistive voltage divider circuit.
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Free voltage divider calculator. Calculate output voltage, current, and power dissipation — 100% client-side. 100% serverless.
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Calculate output voltage and power in a resistive voltage divider circuit.
All calculations run in your browser.
Two resistors that reduce voltage: Vout = Vin × R2/(R1+R2).
Yes, power dissipation for each resistor.
Yes. 100% in your browser.