---
title: "Free Electrical Calculators & Tools | Kerala"
description: "Free tools from a licensed Kerala electrical contractor: solar savings calculator, generator size calculator and a house rewiring checklist."
url: "https://power-electricals.org/tools"
updated: "2026-07-17"
site: "Power Electricals & Contractors"
---

# Free electrical calculators & tools

The same sums our engineers start from, free to use and with no sales call attached. Nothing you enter leaves your browser.

- [Solar savings calculator for Kerala homes](https://power-electricals.org/tools/solar-savings-calculator): Free solar calculator for Kerala: enter your monthly bill and roof area for an indicative system size, cost band and payback period. No sales call.
- [Generator size calculator for Kerala homes](https://power-electricals.org/tools/generator-size-calculator): Free generator sizing calculator for Kerala. Tick your appliances for an indicative kVA rating, correctly sized for motor start-up surge, not just watts.
- [Does my house need rewiring? A Kerala checklist](https://power-electricals.org/tools/rewiring-checklist): Free rewiring checklist for Kerala homes. Tick the warning signs you've noticed and find out whether you need a rewire, an inspection, or nothing at all.

## Contact

- **Business:** Power Electricals & Contractors
- **Phone:** +91 94954 45043 / +91 92076 25043
- **WhatsApp:** +91 92076 72138
- **Email:** power4electricservices@gmail.com
- **Address:** Convent Road, Kothavara P.O, Vaikom, Kottayam, Kerala — 686607
- **Hours:** Mon–Sat, 9:00 AM – 7:00 PM IST
- **Free site assessment:** yes, with no obligation