AusElectrical.tools
CalculatorsAboutContactTerms of UsePrivacy Policy

Australian Electrical Engineering Calculators

Free, built for Australian standards, and shows its working.

Popular Calculators

VIEW ALL →
Voltage Drop
Voltage Drop
Cable voltage drop, forward or reverse.
Motor Full-Load & Starting CurrentM
Motor Full-Load & Starting Current
Full-load and starting current.
Transformer Current & Fault
Transformer Current & Fault
Current and secondary fault level.
Cable Sizing
Cable Sizing
Current rating and voltage drop.
Power Factor Correction
Power Factor Correction
Capacitor size to correct PF.
Maximum Demand
Maximum Demand
Estimated demand current.

Calculator Categories

Fundamentals
2 calculators
Cables & Installation
3 calculators
Motors
3 calculators
Transformers & Fault Levels
3 calculators
Protection & Fault Levels
2 calculators
Power
1 calculator
Supply & Generation
2 calculators
Renewable & Electrification
2 calculators
AusElectrical.tools
Built with reference to AS/NZS 3000, AS/NZS 3008, AS/NZS 1359
Results for guidance only — not a substitute for engineering judgement
Does not reproduce copyrighted Standards Australia material. Always consult current standards for compliance.