Power conversion calculators

Single-phase, three-phase, kW, kVA, current, energy-cost, tariff-scenario and power-factor calculation workflows.

12 calculators
Australian workflow
230/400 V a.c. context

CalculatorLoad current calculatorConvert load power or apparent power to current.Inputs: W, kW, VA or kVA, phase arrangement, voltage and power factor.Output: Current estimate for calculation support and downstream checks.
CalculatorkVA, kW and power factor calculatorConvert between apparent power, real power and power factor.Inputs: Known power value and power factor or target conversion mode.Output: Electrical relationship result with formula basis shown.
CalculatorPower factor correction calculatorEstimate correction kVAr from existing PF and target PF.Inputs: kW or existing kVA, existing power factor and target power factor.Output: Correction estimate requiring equipment, utility and manufacturer review.
CalculatorEnergy cost calculatorEstimate kWh and running energy cost from entered load, usage and tariff values.Inputs: Load reference, kW, operating hours, days, duty factor and c/kWh tariff.Output: Energy-cost estimate using user-entered tariff values without retailer plan comparison.
CalculatorTariff scenario cost calculatorCompare two manually entered energy and daily supply charge scenarios.Inputs: Daily kWh, period days, scenario A rate and supply charge, scenario B rate and supply charge.Output: Scenario-cost difference with tariff boundary notes, not retailer plan advice.
CalculatorLoad profile kWh calculatorSummarise kWh across entered load-profile rows.Inputs: Load block labels, kW, hours, duty factors and period days.Output: Daily and period kWh profile summary with peak row and largest energy row.
CalculatorDuty cycle energy calculatorEstimate kWh and cost for a cycling electrical load.Inputs: Load kW, on-time, off-time, cycles per day, period days and optional tariff.Output: Duty-cycle energy record with run-hours and high-duty review flags.
CalculatorDemand charge estimate calculatorEstimate a demand-charge component from entered peak demand and rate.Inputs: Peak kW or kVA, power factor, AUD/kW/month demand rate and billing months.Output: Demand-charge worksheet using user-entered tariff values without bill interpretation.
CalculatorCapacitor bank staging calculatorStage entered capacitor kVAr steps against a required correction value.Inputs: Required kVAr, stage sizes, target remaining kVAr and stage availability.Output: Staging record with selected stages, remaining correction and stage count.
CalculatorPower factor penalty calculatorEstimate a low-power-factor tariff penalty from entered billing demand and PF terms.Inputs: Billing demand, measured PF, target PF, penalty rate and billing months.Output: Penalty worksheet with period penalty, PF basis and tariff note.
CalculatorThree-phase power matrix calculatorCalculate three-phase kVA, kW, kVAr and a current cross-check from entered values.Inputs: Line voltage, line current and power factor.Output: Power matrix record with apparent, real and reactive power together.
CalculatorReactive power kVAr calculatorDerive the reactive component from entered kW, kVA or PF values.Inputs: Real power, apparent power or power factor basis.Output: Power-triangle record with reactive power and PF angle.

Calculation tools, structured tables, charts and guides for Australian electrical work using local terms, metric conductor sizes and 230/400 V, 50 Hz context.

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