Appliance electricity cost calculator
Calculate a transparent home-energy estimate locally from the assumptions you enter.
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Runs locally with bounded numeric inputs and returns a complete JSON result. Tariffs, efficiency and usage are not looked up. Use the documented numeric fields. Up to 1,000,000 characters. Review the settings before running.
Your result
How to use Appliance electricity cost calculator
- Enter the energy assumptions and units.
- Review the calculation and assumptions.
- Download or copy the complete result.
Useful next steps
Transparent energy estimate
Every result shows the assumptions it used. Check local tariffs, equipment specifications and utility statements before making a decision.