R1+R2 Zs / Ze Calculator

Calculate the Zs or R1+R2, or verify existing measured values, calculates earth fault loop impedance.

Electrical Apps for iPhone
Android Electrical Apps
R1 R2 Zs calculator
  • Calculate R1+R2
  • Calculate Zs
  • Calculate Ze (not recommeded)
R1+R2 Calculator

A basic and simple to use R1+R2 Zs calculator.

Optimised for iPad, iPhone, Android Phones and Android Tablets

App Store
Play Store
R1+R2 Calculator

Calculate R1+R2

  • R1+R2 = Zs – Ze

Enter the Zs and Ze values to calculate the R1+R2.

Calculate Zs

  • Zs = Ze – R1+R2

Enter the Ze and R1+R2 values to calculate Zs earth fault loop impedance.

Zs calculator
electrical app

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The Electrical Tools and Reference app is an all in one multifunctional app with many different electrical calculators and tables, used by many electricians on a day to day basis.

Electrical Tools and Reference

What people think about this app…

  • Ze + Zs (R1+R2) calculator

    Great little app. Very Handy.
    Mike Cook
    iOS

  • Faster than a calculator

    Simple, slightly faster than a calculator, time is in short supply nowadays.
    Steve Thomas
    Android

  • Very good

    Great app and very useful.
    Sparky110
    iOS

Summary of Features

  • Very easy to use
  • Instant results
  • Could not be simpler
  • Calculate R1+R2
  • Calculate Zs
  • Calculate Ze (not recommended)

A simple to use R1+R2 and Zs calculator.

Get the App

Download the R1+R2 Zs Ze app to start calculating today.

Electrical Apps for iPhone
Android Electrical Apps