Free tools by Spark
Easy electrical calculators
Simple tools that tell you exactly what to buy — made for everyone, not just engineers.
Breaker & wire finder
Which breaker and wire do I need for any appliance or circuit at home?
1 minuteStartAC protection kit
The breaker, wire and voltage protection for your AC — and the right AC size for your room.
1 minuteStartMotor & pump starter
Everything you need to start and protect a motor or water pump.
1 minuteStartElectricity bill & savings
What do your appliances cost each month — and how can you pay less?
1 minuteStartUPS backup finder
Keep your router, PC and cameras on during power cuts.
1 minuteStartWatts, amps & HP converter
Turn any number on a label into watts, amps and horsepower.
1 minuteStartWire size guide
Which wire size for lights, sockets, AC and the main line?
1 minuteStartMore selection tools
Voltage stabilizer selector
Find the stabilizer size for your home or equipment.
1 minuteStartAdvanced UPS selector
For engineers: runtime, topology and rack options.
1 minuteStartCable rolls estimator
How many El Sewedy wire rolls does your whole flat need?
1 minuteStartNo tool matches that — try another word or ask us on WhatsApp.