Energy Calculators
2 free energy calculators in the Engineering & Electrical category. Each tool gives instant results and explains the formula so you can follow the calculation.
Energy Calculator
kWh = power(kW) x hours x days; cost = kWh x tariff
Open calculator โPower Consumption Calculator
kWh = power(kW) x hours x days; cost = kWh x tariff
Open calculator โAbout energy calculations
This page groups the energy tools within Engineering & Electrical. Pick a calculator above to enter your values and get an instant result, complete with the formula, a step-by-step breakdown and a worked example. All calculators are mobile-friendly, accessible and free.
What are energy calculators used for?
These tools help you with energy calculations in the engineering & electrical category, giving instant results with the formula and a worked example on each page.
Are they free and private?
Yes. They are free, require no sign-up, and run entirely in your browser so your inputs stay on your device.