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Recipe Portion Calculator
Scale ingredient quantities from the original servings to a new portion count. Enter decimals or fractions; ingredient units remain unchanged.
Calculators
Electricity Cost Calculator
Estimate electricity use and cost from device wattage, daily hours and your entered tariff. See each device’s contribution; fixed charges are excluded.
On your deviceFREENo account needed
ExampleSee sample input and settings
Load the example, adjust the values, then run the tool.
Example input
5 × 10 W × 8 h × 30 days = 12 kWh
- Currency
- IDR
- Tariff per kWh
- IDR 1,444.7
- Days
- 30
Guest results are not saved to an account. Sign in before processing to keep results in your private history for 30 days.
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About this tool
Estimate electricity use and cost from device wattage, daily hours and your entered tariff. See each device’s contribution; fixed charges are excluded.
Choose your options, process your input, and download or copy the result.