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Air conditioner electricity cost calculator

Compare monthly kWh and cost across AC usage habits.

AC electricity cost

Estimate cost from power, daily hours, monthly days, and price.

Power use (kW)

Daily hours

Monthly days

Price per kWh (TWD)

Monthly kWh = power kW × daily hours × monthly days. Monthly cost = monthly kWh × price per kWh.

Example: 1.2 kW × 8 hours × 30 days × NT$5 is about NT$1,440.

Last updated: 2026-06-29

What power should I enter for inverter AC?

Use rated or average power as an estimate; real use changes with settings and room conditions.

Does it include tiered pricing?

The first release uses one price per kWh for quick estimates.

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Estimate AC BTU, kW, and tons from room area and Taiwan home conditions.

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Estimate monthly and yearly electricity cost from appliance wattage, hours, days, and price per kWh.