Energy Calculator

Calculate electricity consumption and costs for your appliances with MaiCalcs. Monitor energy usage and optimize your electricity bills.

Energy Consumption

Power Consumption (Watts)

Hours Used Per Day

Days in Month

Electricity Rate ($/kWh)

• LED Bulb: 10-15W

• Laptop: 50-100W

• Refrigerator: 100-400W

• Air Conditioner: 1000-3000W

• Energy (kWh) = (Power (W) × Hours) / 1000

• Cost = Energy (kWh) × Rate ($/kWh)

Energy Usage & Costs

Enter appliance details to calculate energy costs

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