Energy Consumption Calculator – Calculate Appliance Power Use & Cost

By samreen Published August 23, 2025 General

Energy Consumption Calculator

Currency Flat Rate (per kWh)

Use Peak/Off-Peak Pricing

Peak Rate / kWh Off-Peak Rate / kWh % Usage in Peak

CO₂ Factor (kg/kWh) PV/Solar Offset (kWh/month) Default Days/Week

Choose Common

Name Wattage (W)

Voltage (V) Current (A)

Appliance	Active W	Standby W	Hours/Day	Standby h/d	Days/Week	Daily kWh	Monthly Cost

Tip: You can set 0 standby for devices without standby mode.

Daily kWh: 0

Monthly kWh: 0

Annual kWh: 0

Monthly Cost: 0

Annual Cost: 0

CO₂ / month: 0

After Solar Offset: 0

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