Utility
Electricity, appliance and solar cost tools.
What you can do here
Browse every utility converter and calculator on ConvertMate. Each tool gives you instant results, the underlying formula, a quick reference table, and a clear plain-English explanation — no signup needed.
Calculators
ac cost calculator
Estimate the seasonal cost of running an air conditioner.
battery runtime calculator
Calculate how long a battery lasts under a given load.
generator fuel calculator
Estimate fuel consumption and cost for running a generator at a given load.
gas cost calculator
Calculate the cost of natural gas based on therms used and price.
water cost calculator
Estimate monthly and yearly water bills based on usage and rate.
solar savings calculator
Estimate annual energy production and savings from a residential solar system.
appliance energy calculator
Estimate the yearly energy use and cost of any household appliance.
electricity cost calculator
Calculate the running cost of an appliance per day, month, or year.
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