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Voltage Divider
Find Vout or R2 for voltage dividers
Science
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Find Vout
Find R2
Input Voltage Vin (V)
3.3V
5V
9V
12V
24V
R1 (Ω)
R2 (Ω)
Output Voltage (Vout)
2.5000 V
50.0% of Vin
Current through divider
0.250 mA
R1 + R2 Total
20.000kΩ
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Guide & FAQ
What is a voltage divider?
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Where are voltage dividers used?
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Why can't I power a load directly with a voltage divider?
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What happens if R2 is much larger than R1?
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