Updated Electricity

Power Consumption Calculator

Calculate watts, kW, kWh, amps, and electricity cost from voltage, current, runtime, and power factor. Compare daily, monthly, and yearly usage and export results.

W, kW, kWh Single / 3-Phase Tariff Cost Tables & CSV

Electric Power & Energy Use Estimator

Use watts and kWh to understand appliance consumption and estimate energy cost by tariff. Supports AC power factor and three-phase calculations.

Electrical System

Voltage (V)

Voltage Unit

Current (A)

Current Unit

Power Factor (PF)

PF Handling

Output Unit

Also Show

Power

Power Unit

Runtime

Time Unit

Energy Output

Show Daily / Monthly / Yearly

If repeating daily, days/month

Days/year

Device Power (rated)

Power Unit

Quantity

Hours per day

Days per month

Standby Power

Standby Unit

Include standby (24h)

Energy Output

Days per year

Energy Use

Energy Unit

Tariff (per kWh)

Currency

Fixed Monthly Fee

Cost Period

Days/month

Days/year

Also Show

Table Type

Power

Power Unit

Start

End

Step

X-Axis Unit

Tariff (per kWh)

Currency

Max Rows

Export

Power Consumption Calculator

Electric Power & Energy Use Estimator

Real Power

Apparent Power

Power (SI)

Equation Used

Also

Interpretation

Energy

Energy (kWh)

Equation Used

Daily / Monthly / Yearly

Inputs

Interpretation

Daily Energy

Monthly Energy

Yearly Energy

Standby Contribution

Equation Used

Interpretation

Energy (kWh)

Estimated Cost

Equation Used

Breakdown

Equivalents

Interpretation

Power Consumption Calculator

Electric Power & Energy Use Estimator

Real Power

Apparent Power

Power (SI)

Equation Used

Also

Interpretation

Energy

Energy (kWh)

Equation Used

Daily / Monthly / Yearly

Inputs

Interpretation

Daily Energy

Monthly Energy

Yearly Energy

Standby Contribution

Equation Used

Interpretation

Energy (kWh)

Estimated Cost

Equation Used

Breakdown

Equivalents

Interpretation

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