Calculator category

Household calculators

Focused tools for a first pass on household deals.

8 calculators All calculators

Calculator

Appliance Energy Cost Calculator

Find which appliance costs you the most to run.

Outputs: Cost per day · Cost per month · Cost per year

Calculator

Estimate your monthly and annual electric bill from usage and rate.

Outputs: Monthly bill · Annual bill · Energy portion

Calculator

Convert kilowatt-hours to dollars at your electricity rate.

Outputs: Energy used · Total cost · Cost per day

Calculator

Compare old bulbs with LEDs including replacements.

Outputs: Old bulbs total per year · LED total per year · Yearly savings

Calculator

Compare electricity costs between two states at the same usage.

Outputs: Monthly cost, first state · Monthly cost, second state · Monthly difference

Calculator

Test whether a time-of-use plan beats your flat rate.

Outputs: Flat-rate bill · Time-of-use bill · TOU savings vs flat

Calculator

Measure standby power drain and its yearly cost.

Outputs: Wasted energy per year · Wasted cost per year

Calculator

Convert watts to amps at your circuit voltage.

Outputs: Current · Safe continuous load on 15A circuit