Voltage Divider Calculator
Compute divider output, current draw, and tolerance window for resistor-based voltage scaling.
Inputs
Results
Best E96 match
Scale: 1000 Ohm
R1: 3090.00 Ohm
R2: 1180.00 Ohm
Target Vout
3.3000 V
Actual Vout
3.3162 V
Output error
0.490%
Input voltage
12.0000 V
Divider current
2.810 mA
Division ratio (R2 / R1+R2)
27.63%
Power dissipation
R1: 24.404 mW
R2: 9.319 mW
Switch to Full mode to add tolerance stacking (initial, aging, thermal, humidity, mismatch) and min/max output analysis.