Calculators
Electricity calculators
Estimate electricity costs and connect energy use to everyday budgets before the bill arrives.
Calculators in this category
Electricity cost calculator
Enter your usage, price per kWh, and any fixed fee to estimate electricity cost per day, month, and year.
Appliance electricity cost calculator
Work out what an appliance costs to run per use, per day, per month and per year from its watts, hours used and price per kWh.
Currency converter
Convert between common currencies instantly and see both the converted amount and the exchange rate.
Percentage calculator
Percent of a number, change between values, and new totals as you type.
When these tools help
Electricity costs are easier to understand when usage, unit price, and fixed fees are shown together. Start with the electricity cost calculator, then compare the result with related money and converter tools.