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API
Precision Engineering
Voltage
Divider
Calculate Vin, Vout, R1, or R2 · Standard resistor suggestions
Find Vout
Find R2
Find R1
Find Vin
Vin
*
Volts (V)
R1
*
Ohms (Ω)
R2
*
Ohms (Ω)
Calculate Vout
Example
—
V
Output voltage
Vout
Gain
—
Total R
—
Ω
Current
—
mA
Power
—
mW
Vin
*
Volts (V)
R1
*
Ohms (Ω)
Desired Vout
*
Volts (V)
Find R2
Example
—
Ω
Required R2 value
R2
Calculated R2
—
Ω
Suggested (E24)
—
Ω
E24
Gain
—
Current
—
mA
Vin
*
Volts (V)
R2
*
Ohms (Ω)
Desired Vout
*
Volts (V)
Find R1
Example
—
Ω
Required R1 value
R1
Calculated R1
—
Ω
Suggested (E24)
—
Ω
E24
Gain
—
Current
—
mA
R1
*
Ohms (Ω)
R2
*
Ohms (Ω)
Desired Vout
*
Volts (V)
Find Vin
Example
—
V
Required input voltage
Vin
Gain
—
Total R
—
Ω
Current
—
mA
Power
—
mW