Basic ConceptsEE CalculatorsElectric Circuit AnalysisElectrical / Electronics App & Software

Power, Voltage, Current & Resistance (P,V,I,R) Calculator

Power, Voltage, Current & Resistance (P,V,I,R) Calculator

This calculator is based on simple Ohm’s Law. As we have already shared Ohm’s Law (P,I,V,R) Calculator In which you can also calculate three phase current. But we have designed this one especially for DC Circuits (as well as work for Single Phase AC circuits without Power Factor… (We will share another calculator for Power Factor Calculation).

Power, Voltage, Current and Resistance Calculator - P, I, V, R Calculator - Ohms Law Calcultor

Power, Voltage, Current & Resistance Calculator

Enter any two of the following values and press calculate button. Result will display the calculated values.

Power (W):
Voltage (V):
Current (A):
Resistance (Ω):

Power, Voltage, Current & Resistance Formulas 

Following are the possible formula and equations for this Calculator

(1)   Electrical Power formulas in DC Circuits

  • P = VxI
  • P = I2R
  • P = V2/R

(2)   Electrical Potential or Voltage Formula in DC Circuits

  • V = I x R
  • V = P / I
  • V = √ (P x R)

(3)   Electrical Current Formulas in DC Circuit

  • I=V/R
  • I = P/V
  • I = √P/R

(4)   Electrical Resistance Formulas

  • R = V/I
  • R = P/I2
  • R = V2/P


Ohm's Law funny Explanation

Related Electrical Calculators:

Show Full Article

Electrical Technology

All about Electrical & Electronics Engineering & Technology. Follow , Twitter , Instagram, Pinterest, YouTube, & Linkedin to get the latest updates or subscribe Here to get latest Engineering Articles in your mailbox.


  1. Suma Feng says:

    Sure thing, at it is. <a href="; alt="flexible flat cable" rel="nofollow">flexible flat cable</a>has been so widely used in electronics. Manufacturers, especially those in China, have a very impressive prospect in designing and manufacturing such kind of electronic cables with a wide range usage in diverse electronic products.

  2. Wow I must confess you make some very tranehcnt points.

  3. Mark Ebonga says:

    Work is perfectly simplified and thanks for your unending efforts.

  4. manoj singh says:

    Dear sir,

    How to select power cable,control cable for dc motor,ac motor.

    Manoj Singh

Leave a Reply

Your email address will not be published.

Back to top button

Adblock Detected

Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by disabling your ad blocker. We depends on ad revenue to keep creating quality content for you to learn and enjoy for free.