Electrical Calculators & Estimators

Use these tools to plan loads, select breaker sizes, estimate cable sizing, and calculate energy costs. For final sizing and safety checks, consult a certified electrician.

Call for Advice WhatsApp Us

Choose a Calculator

Each page includes a simple calculator and quick guidance. Click any tool below to start.

Electrical Load Calculator

Convert total watts to amps and get a suggested breaker size.

Open Calculator

kWh Cost Calculator

Estimate monthly energy cost for appliances and equipment.

Open Calculator

Voltage Drop Calculator

Check voltage drop across cable runs for better performance.

Open Calculator

Cable Size Estimator

Quickly estimate a cable size based on current load.

Open Calculator

Who This Is For

Homeowners

Plan upgrades, new appliances, or room renovations with quick electrical estimates.

Small Businesses

Estimate loads for new equipment before you add circuits or sockets.

Contractors

Speed up early planning and share estimates with your clients.

Need a Certified Electrician?

These calculators provide estimates. For safety, compliance, and final installation, our certified electricians can help.

+60 14-627 5203 Chat on WhatsApp

Serving KL & Selangor. Emergency support available.