EnergyCost
Calculator

Energy and cost

Electricity cost calculator

Enter appliance power and running time, or known energy per use, then apply your own electricity rate.

Private browser calculation

Power, time, use, and rate

Stays on this page

Input method

Appliance input

Use rated power and the time the appliance actively runs for one use.

Usage and electricity price

Currency is a display label; enter a rate in that currency per kWh.

This is a flat-rate estimate, not an electricity bill. It does not include tariff tiers, taxes, fixed charges, standby power, duty cycles, efficiency losses, or changing rates.