Built for Australian electrical work
Three proper calculators. No spreadsheet archaeology.
Fast enough for the ute. Transparent enough to check at the desk. Every answer shows the inputs, governing constraint and calculation method.
AS/NZS 3008AS/NZS 3000AS/NZS 4777.1Mobile ready
Cable size calculator
Size a supported copper multicore cable by current capacity, voltage drop and optional adiabatic short-circuit withstand.
Size a cable →02 / AS/NZS 3000Maximum demand calculator
Calculate a single- or three-phase domestic installation using Appendix C Table C1 load groups and phase-by-phase totals.
Calculate demand →03 / AS/NZS 3008Voltage rise calculator
Model a solar inverter path segment by segment, including parallel cables and export limiting at the consumer mains.
Check voltage rise →