Voltage Divider Formula Calculator

Used by the current divider.
The upper resistor in a voltage divider; the first branch in a current divider.
The lower resistor in a voltage divider; the second branch in a current divider.
Output voltage
6 V
Voltage and Current Divider Calculator
Current through R1
0.006 A
Current through R2
0.006 A
Series current
0.006 A
Total resistance
2,000 ohm
Divider ratio
0.5
Total power dissipated
0.072 W
Worked out from Voltage divider: Vout = Vin x R2 / (R1 + R2) and 1 other source.

How this is worked out

3 steps
  1. Series resistance = 1000 + 1000 = 2000 ohm
  2. Series current = 12 / 2000 = 0.006 A
  3. Vout = Vin x R2 / (R1 + R2) = 12 x 1000 / 2000 = 6 V

Results are general information, not financial, tax, legal, medical or engineering advice.