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


Upgrade to the pro version
Upgrade to the full Electrical Tools and Reference App, used by many professional electricians on a daily basis.
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.