Voltage Divider Calculator

VoutR1R2

Input voltage

V

R2 bottom resistor

Ω

R1 top resistor

Ω

Load resistor · optional

Ω

High-impedance loads such as ADC inputs stay close to the no-load result; low loads pull the output voltage down.

Output voltage

3.3333 V

Loaded output: 3.3333 V

No-load output

3.3333 V

Divider current

0.1667 mA

R1 power

0.278 mW

R2 power

0.556 mW