Voltage Divider Calculator

Calculate voltage divider output, resistor values, current, and power dissipation.

26.0Kuses
9.2/10(97)
Vout
NaN V
R1
10.00 kohm
R2
10.00 kohm
Current
NaN mA
Ratio
NaN%
R1 Power
NaN mW
R2 Power
NaN mW

Voltage Divider Formula

Vout = Vin * R2 / (R1 + R2). Load resistance affects the output. For accuracy, load impedance should be at least 10x R2.

Disclaimer: This tool is provided as-is for informational and educational purposes only.

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