Energy decisions, made clear

Know what your energy choices really cost.

Use transparent calculators to compare charging, electricity, solar, and everyday energy expenses before you spend.

Explore calculators Free · No sign-up
Home charging estimate1,000 miles per month
Estimated monthly cost$44.44at $0.16/kWh
EV charging$533/yr
Gas at 25 MPG$1,680/yr

Example based on 4.0 mi/kWh and 90% charging efficiency.

Why EcoCalc

Useful numbers you can audit.

Every result connects your inputs to a plain-language formula. Defaults come from public sources, and you can replace them with your own values.

Sourced defaults

Government and manufacturer data with check dates.

Visible formulas

Units, assumptions, and comparison baselines shown beside results.

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FAQ

Good decisions start with clear assumptions.