Add up the connected load of every appliance in a home or room to find your total electrical load — useful for sizing a meter connection, wiring, an MCB/circuit breaker, or an inverter/UPS system.
Appliance
Qty
Watt (each)
How to Use the Electrical Load Calculator
List every appliance with its quantity and wattage (check the appliance's label or manual for its rated watts).
Click "Calculate Load" to see the total connected load in watts and kilowatts.
Use this total load with the Watt to Amp Calculator to find the required current, or the Cable Size Calculator to size your wiring.
Frequently Asked Questions
Connected load is the sum of the rated wattage of every appliance connected to a supply, assuming all of them run at the same time — it's the theoretical maximum, not typical actual usage.
No. Actual consumption ("demand load") is usually lower because not every appliance runs simultaneously at full rated power. Connected load is used mainly for sizing wiring, breakers, and backup systems safely.
Yes, it's completely free and requires no sign-up.