PowerBill

PowerBill

Watts to kWh and cost at your local rate

PowerBill converts appliance watts to monthly kWh and cost at your local electricity rate. Pick your country, get the right tariff, and see exactly what every device costs to run.

Technology · Education · Finance

Features

- 90+ appliance presets with real wattage ranges

- Per-country electricity tariffs built in

- Monthly and yearly cost per device

- Comparison cards: LED swap, thermostat shift, fridge upgrade

- Client-side only, no signup

Use Cases

Figure out what your space heater really costs each month · compare LED vs incandescent for your whole house · sanity-check a power bill spike · teach kids where the electricity money goes

Commune

A shared home for builders to launch, connect, and grow

Comments

chenzefeng09

Built this after a confusing winter bill. Most watt calculators stop at kWh — PowerBill also maps real per-country tariffs and shows which swaps actually pay back. Feedback welcome on the appliance preset list.

Upvote Reply

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