Wire Size Calculator
Find correct copper / aluminium wire size (1.5, 2.5, 4, 6, 10 sqmm) for AC, geyser, motor, lighting and kitchen circuits. Factors voltage drop for long runs.
Electrical calculators for Indian homes & sites
No login, no fluff. Pick the appliance, get the recommended wire size or MCB rating instantly. Built on IS 732 + IEC 60898-1 standards. Ideal for homeowners, contractors, and project teams.
Available calculators
MCB Rating Calculator
Find correct MCB amperage (6A / 16A / 32A / 63A) and curve type (B for resistive, C for inductive) for any home or shop circuit.
Coming next
- Voltage drop calculator (for long runs & outdoor cabling)
- Load estimation for 2/3 BHK flats (auto-BOQ generator)
- Solar panel sizing for rooftop installations
- EV home-charger circuit sizing
- Cable derating for grouped conduit installs
If you want a specific calculator, request it on WhatsApp — we add the most-requested ones first.
After the calculation, get the material
Every calculator suggests the brand. We stock Polycab, Finolex, Havells wires + Anchor, Legrand, Altech, L&K MCBs in Sowcarpet. Same-day delivery in Chennai, GST invoice on every order.