Electricity Bill Calculator

Know what your electricity really costs — before the bill arrives. Turn watts, hours and your own tariff into a real number: the units (kWh) an appliance uses and what they cost. One appliance or your whole home. No account, no sign-up, no internet. ⚡ ANY APPLIANCE Air conditioner, refrigerator, ceiling fan, lighting, room heater, clothes iron and washing machine. Set the watts, how many you run and the hours per day — the estimate updates as you type. 🏠 WHOLE-HOME BILL Switch on everything you actually run and get one total, with a ranked breakdown showing which appliance costs you the most. 💱 121 CURRENCIES Enter the price of one unit (per kWh) from your bill and pick your currency. Every screen follows it. 📅 WEEK, MONTH OR YEAR Switch the billing period between 7, 30 and 365 days. 💡 14 SAVING TIPS Practical ways to cut the bill, ranked by impact. 📴 WORKS OFFLINE Every calculation runs on your phone. No login, no account, no data collected. 🎨 Light and dark themes, 17 languages. HOW IT WORKS Units (kWh) = Watts × Quantity × Hours × Days ÷ 1000 Cost = Units × your tariff per kWh Free to use, supported by ads. Results are estimates based on the values you enter — real bills also include fixed charges, taxes and slab rates. Not affiliated with any electricity provider.