Electricity Cost Calculator

by viettranga147 · Functionality & UI

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Calculate how much your devices cost to run - track energy consumption and save money!

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#345K

#266K among extensions

Version

1.0

updated 24 Dec 2025

Users

monthly, 10 months

Latest, 15 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 10 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Electricity Cost Calculator

⚡ **Electricity Cost Calculator** - Know What You're Spending on Power! Ever wondered how much that old space heater is costing you? Or whether LED bulbs really save money? This calculator shows you exactly what your devices cost to run daily, weekly, monthly, and yearly. ### ✨ Key Features: 🔢 **Easy Calculation** - Enter device wattage - Set usage hours per day - Input your electricity rate - Get instant cost breakdown 📊 **Complete Cost Breakdown** - Daily cost & kWh - Weekly cost & kWh - Monthly cost & kWh - Yearly cost & kWh ⚡ **Quick Device Presets** - 💡 LED Bulb (10W) - 💡 Incandescent (60W) - 📺 TV (150W) - 💻 Computer (300W) - 🔥 Space Heater (1500W) - ❄️ Air Conditioner (1000W) 💡 **Energy Saving Tips** - Rotating helpful tips - Learn how to save money - Eco-friendly suggestions - Practical advice ### 💡 Did You Know? - A 60W bulb running 8hrs/day costs ~$17/year - Switching to LED saves up to 80% - Standby power ("vampire power") adds up! - AC units can cost $100+/month ### 📐 How It Works: ``` kWh = (Watts × Hours) ÷ 1000 Cost = kWh × Rate ``` ### 🎨 Design - Energetic orange/yellow theme - Lightning bolt animations - Clean, intuitive interface - Easy number inputs **Start saving money on your electric bill today!**