Voltage divider calculator
Ideal unloaded resistive divider; output is across the lower resistor. A load changes the output.
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USDTHE NUMBERS, MADE CLEARInstant calculation
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Ideal unloaded resistive divider; output is across the lower resistor. A load changes the output.
Worked example
Inputs
- Voltage (V): 12
- Upper resistance R₁ (Ω): 1,000
- Lower resistance R₂ (Ω): 2,000
Results
- Output voltage: 8 V
Ideal unloaded resistive divider; output is across the lower resistor. A load changes the output.
Reviewed:Common uses
Ideal unloaded resistive divider; output is across the lower resistor. A load changes the output.
BEHIND THE NUMBERSFormula & assumptions
Vₒ=VᵢR₂/(R₁+R₂)
Ideal unloaded resistive divider; output is across the lower resistor. A load changes the output.