Simplify your calculations with fast, accurate, and standards-based tools.
Explore ToolsCalculate voltage drop across cables based on length, load, and material.
Determine standard maximum demand for electrical installations.
Calculate demand using staged or diversified load inputs.
Size cables to meet AS/NZS 3008 standards for installation.
Find max cable run length based on voltage drop and load current.
Estimate heat dissipation from switchboard components.
Check EFLI values to ensure fault clearance compliance.
Size capacitors to improve power factor and reduce demand charges.
Check short-circuit withstand strength of cables.
Estimate battery capacity and runtime based on load.
Calculate real and apparent power in 3-phase systems.
Get the full-load current based on motor power and voltage.
Locate faults in cables based on resistance or time domain info.
Calculate protection relay operation times.
Determine fuse or breaker ratings for circuit protection.
Find the current drawn at full load for any electrical device.
Use Ohm’s law to solve for voltage, current, or resistance.
Calculate XC for capacitors in AC circuits.
Find XL for inductors at different frequencies.
Estimate fault current levels from transformer characteristics.
Calculate input/output currents for single or 3-phase transformers.
Verify minimum separation distances between services underground.
Find torque based on motor power and speed.
Calculate RPM based on frequency and number of poles.