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.

Recent changes:
A full redesign, top to bottom.

• A fresh look for every screen — home, bill calculators, results, and the new totals view
• Light, dark, or follow your system
• 33 app languages and 122 currencies, switchable in Settings
• New onboarding so you're calculating in seconds
• Smaller download, plus fixes across the calculators

Thanks for using Electricity Cost Calculator!