--- title: "Electricity Cost Calculator | Appliance Energy Cost Tool | XTRAW Tools" description: "Calculate appliance electricity cost from watts, runtime, days, and electric rate with a free browser-based calculator." url: "https://xtraw.com/tools/everyday-utilities/home-household-tools/electricity-cost-calculator" date: "2026-07-06T03:50:37+00:00" language: "en-GB" --- [Yeast Converter](https://xtraw.com/tools/everyday-utilities/home-household-tools/yeast-converter)[Baking Pan Conversion Calculator](https://xtraw.com/tools/everyday-utilities/home-household-tools/baking-pan-conversion-calculator) [![Electricity Cost Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/xtraw-electricity-cost-calculator-360x360.jpg)](https://xtraw.com/images/virtuemart/product/xtraw-electricity-cost-calculator-360x360.jpg "Electricity Cost Calculator from XTRAW Tools") popular [Back to: Home & Household Tools](https://xtraw.com/tools/everyday-utilities/home-household-tools "Home & Household Tools") # Electricity Cost Calculator Calculate the cost of running an appliance from watts, runtime, days, and rate. Use this free browser-based electricity cost calculator from XTRAW Tools. **Electricity Cost Calculator** helps you calculate the cost of running an appliance from watts, runtime, days, and rate. Use this free browser-based calculator from XTRAW Tools to compare inputs, estimate results, and plan your next step. ## How to Use the Electricity Cost Calculator 1. Enter the required calculator inputs shown in the form. 2. Review the measurements, electrical values, grades, weights, rates, or reading assumptions. 3. Run the calculator, then adjust one input at a time to compare scenarios or check your work. ## What This Calculator Helps With Calculate the cost of running an appliance from watts, runtime, days, and rate. It is designed for homeowners, renters, students, energy users, and people estimating appliance costs who want a fast, browser-based estimate before relying on a contractor, electrician, engineer, code authority, teacher, advisor, or professional source. - Appliance Power: 1500 W - Hours per Day: 4 - Days: 30 - Rate: $0.15/kWh ## Common Uses People use this calculator when they need a quick way to estimate construction materials, electrical values, solar sizing, school grades, GPA, or reading time from real inputs. - **Budgeting:** Estimate costs, savings, energy use, materials, or planning targets. - **Measurement:** Use measurements, grades, electrical values, or reading values to get a clear result. - **Project Planning:** Compare project assumptions, academic goals, energy plans, or electrical scenarios. ## Formula or Method Cost = (Watts / 1000) × Hours per Day × Days × Rate. ## Example **Example inputs:** Appliance Power: 1500 W; Hours per Day: 4; Days: 30; Rate: $0.15/kWh **Example result:** Using the default inputs, energy use is 180.0 kWh and estimated cost is $27.00. ## Related Tools - [kW to kWh Calculator](https://xtraw.com/tools/kw-to-kwh-calculator) - [Energy Conversion Calculator](https://xtraw.com/tools/energy-conversion-calculator) - [Solar Panel Calculator](https://xtraw.com/tools/solar-panel-calculator) - [Watts To Amps Calculator](https://xtraw.com/tools/watts-to-amps-calculator) - [kVA Calculator](https://xtraw.com/tools/kva-calculator) - [Home Energy Calculator](https://xtraw.com/tools/home-energy-calculator) ## Electricity Cost Calculator FAQ ### Is the Electricity Cost Calculator free? Yes. This calculator is free to use on XTRAW Tools. ### Do I need to create an account? No. XTRAW tools are designed for browser-based use without requiring an account. ### Are the results exact? Results may be estimates depending on the inputs, formula, rounding, assumptions, and purpose of the calculator. Always verify important results before relying on them. **Disclaimer:** This calculator is provided for general informational, educational, and convenience purposes only. It is not legal, financial, medical, tax, engineering, electrical, construction, solar, academic, safety, or professional advice. Always verify important results with a qualified professional, instructor, code authority, manufacturer documentation, or authoritative source before making decisions. **Related Tools** ![Tooltip]() [![kW to kWh Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-kw-to-kwh-calculator-360x360_230x230.jpg) kW to kWh Calculator](https://xtraw.com/tools/everyday-utilities/home-household-tools/kw-to-kwh-calculator "kW to kWh Calculator") Convert kilowatts to kilowatt-hours and estimate energy cost. Use this free browser-based kw to kwh calculator from XTRAW Tools. 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Custom prototype for related products **Related Categories** ![Tooltip]()[![Science Calculators category image](https://xtraw.com/images/virtuemart/category/26_science_calculators.jpg) Science Calculators](https://xtraw.com/tools/calculators/science-calculators "Science Calculators") Custom prototype for related categories [![Energy Calculators category image](https://xtraw.com/images/virtuemart/category/173_energy-calculators.jpg) Energy Calculators](https://xtraw.com/tools/calculators/science-calculators/energy-calculators "Energy Calculators") Custom prototype for related categories [![Electrical & Engineering Calculators category image](https://xtraw.com/images/virtuemart/category/170_electrical-engineering-calculators.jpg) Electrical & Engineering Calculators](https://xtraw.com/tools/calculators/science-calculators/electrical-engineering-calculators "Electrical & Engineering Calculators") Custom prototype for related categories [![Home & Household Tools category 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