Power Tools

2 free online tools for power professionals.

These power calculators are built for theatre technicians and live event teams, with practical workflows for planning, troubleshooting, and fast technical checks during production. Includes: Power Calculator, Cable Gauge Calculator.

Power Calculator

Calculate watts, amps, and volts for single and three-phase supplies. Tally equipment loads, check breaker requirements, and plan your power distribution.

Cable Gauge Calculator

Select the minimum cable CSA per BS 7671 or IEC 60364-5-52 tables. Applies correction factors for temperature, grouping, and permissible voltage drop.

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