utilities
Wire Size Calculator (Copper, IS 3961)
Find the smallest copper conductor cross-section satisfying continuous-current and voltage-drop constraints per IS 3961, for any load and distance.
This tool is designed to help with construction projects in Nepal, adhering to local building codes and measurement units.
Standardized
Follows Nepal National Building Code guidelines
Instant Results
Get accurate calculations in seconds
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Access the Wire Size Calculator (Copper, IS 3961) directly in your browser. No download required.
Open Tool100% Free • Works on Mobile & Desktop