The Mathematical Formula for Calculating Earth Resistance
Back to Knowledge Center

The Mathematical Formula for Calculating Earth Resistance

November 11, 2017E&S Grounding Solutions
Electrical Grounding

R= Resistance p= soil resistivity L = Length of the rod a= radius of the rod ln= natural log s = rod spacing

R= Resistance p= soil resistivity L = Length of the rod a= radius of the rod ln= natural log s = rod spacing

Schedule a Free Consultation

Our expert engineers are ready to help you solve your most complex grounding, bonding, and lightning protection challenges.