Voltage Divider Resistor Calculator | Calculate Voltage Ratios Easily

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    Voltage Divider Resistor to Resistor Calculated

    Calculate resistor values and voltage ratios for your circuits with our Voltage Divider Resistor Calculator. With a voltage divider calculator, you determine the out voltage based on resistor values.

    Resistor Voltage divider Calculator

    Voltage Divider Resistor Circuit

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    Voltage Divider Resistor to Resistor No load2 KΩR1Power Supply+-Vin© Online Works ToolsVoutR24 KΩ4 V12 VNo Load
    Fig-1: Voltage Divider Resistor to Resistor with No Load
    V
    • nanoVolts (nV)
    • microVolts (µV)
    • milliVolts (mV)
    • Volts (V)
    • kilovolts (kV)
    • megavolts (MV)
    • millohms (mΩ)
    • ohms (Ω)
    • Kiloohms (KΩ)
    • Megaohms (MΩ)
    • Gigaohms (GΩ)
    • millohms (mΩ)
    • ohms (Ω)
    • Kiloohms (KΩ)
    • Megaohms (MΩ)
    • Gigaohms (GΩ)
    V
    • Picovolts (pV)
    • nanovolts (nV)
    • microvolts (µV)
    • millivolts (mV)
    • Volts (V)
    • Kilovolts (KV)
    • megavolts (MV)

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    What is the Voltage Divider Resistance?

    🙋 Check our Series Resistor Calculator and discover

    Voltage Divider Law (Resistive Circuit) - Voltage divider equations:

    Total Resistance (Rtotal):

    Rtotal = R1 + R2

    For Example, R1 = 2 kΩ, R2 = 3 kΩ, or Vin = 10V


    Rtotal = 2 kΩ + 3 kΩ = 5 kΩ

    Voltage Across R1 (V1):

    V1 = Vin ×R1R1 + R2

    For Example, R1 = 2 kΩ, R2 = 3 kΩ, or Vin = 10V


    V1 = 10 ×22 + 3 = 4V

    Voltage Across R2 (V2) NO Load:

    V2 = Vin ×R2R1 + R2

    For Example, R1 = 2 kΩ, R2 = 3 kΩ, or Vin = 10V


    V2 = 10 ×32 + 3 = 6V

    Voltage Across R2 (V2) With Load:

    V2 = Vin ×R2 || RLR1 + R2 || RL

    For Example, R1 = 2 kΩ, R2 = 3 kΩ, RL = 4 kΩ, or Vin = 10V


    V2 = 10 ×3 || 42 + 3 || 4 = 4V

    Resistor Divider Resistor to Resistor

    Resistor Divider conversion application

    About the Author

    Md Jony Islam

    Md Jony Islam: Multidisciplinary Engineer & Financial Expert:

    Md. Jony Islam is a highly skilled professional with expertise in electronics, electrical, mechanical, and civil engineering, as well as finance. Specializing in transformer service and maintenance for 33/11kV substations, he ensures reliable and efficient electrical systems. His mechanical engineering skills drive innovative designs, while his financial acumen supports effective project budgeting. With a strong foundation in civil engineering, he contributes to robust infrastructure development. Md. Jony Islam's multidisciplinary approach ensures efficiency, quality, and reliability across all projects.