* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', system-ui, sans-serif; } :root { --primary: #2563eb; --primary-dark: #1d4ed8; --secondary: #7c3aed; --success: #10b981; --danger: #ef4444; --warning: #f59e0b; --light: #f8fafc; --dark: #1e293b; --gray: #64748b; --gray-light: #e2e8f0; .apply-button { background-color: #f5f5f5; /* off-white */ width: 250px; /* expanded width */ padding: 12px 20px; border: none; border-radius: 8px; font-size: 16px; cursor: pointer; } } body { background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%); min-height: 100vh; } .container { max-width: 800px; margin: 0 auto; padding: 0 20px; } header { background: white; box-shadow: 0 4px 12px rgba(0,0,0,0.05); margin-bottom: 30px; } .navbar { display: flex; justify-content: space-between; align-items: center; padding: 18px 0; } .logo { display: flex; align-items: center; gap: 12px; text-decoration: none; } .logo-icon { width: 42px; height: 42px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: white; font-size: 22px; font-weight: bold; } .logo-text { font-size: 24px; font-weight: 800; color: var(--dark); } .logo-text span { color: var(--primary); } .back-button { background: var(--light); border: none; width: 50px; height: 50px; border-radius: 12px; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 20px; color: var(--dark); transition: all 0.3s; text-decoration: none; } .back-button:hover { background: var(--primary); color: white; } .calculator-header { display: flex; align-items: center; gap: 15px; margin-bottom: 30px; } .calculator-header h1 { font-size: 2.5rem; color: var(--dark); } .calculator-card { background: white; border-radius: 20px; padding: 40px; box-shadow: 0 20px 60px rgba(0,0,0,0.08); border: 1px solid var(--gray-light); } .calc-form { display: grid; gap: 25px; margin-bottom: 30px; } .input-group { display: flex; flex-direction: column; gap: 8px; } .input-group label { font-weight: 600; color: var(--dark); display: flex; align-items: center; gap: 8px; } .input-group input, .input-group select { padding: 16px 20px; border-radius: 12px; border: 1px solid var(--gray-light); font-size: 16px; transition: all 0.3s; } .input-group input:focus, .input-group select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); } .input-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; } .calc-btn { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: white; border: none; padding: 18px; border-radius: 12px; font-size: 17px; font-weight: 600; cursor: pointer; transition: all 0.3s; margin-top: 10px; width: 100%; } .calc-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(37,99,235,0.2); } .results-container { background: linear-gradient(135deg, #f0f9ff, #e0f2fe); border-radius: 16px; padding: 30px; margin-top: 30px; border: 1px solid rgba(37,99,235,0.2); } .result-header { font-size: 1.2rem; color: var(--primary); margin-bottom: 15px; display: flex; align-items: center; gap: 10px; } .result-value { font-size: 3.5rem; font-weight: 800; color: var(--primary); text-align: center; margin: 20px 0; } .result-details { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; margin-top: 25px; } .result-item { background: white; padding: 15px; border-radius: 12px; box-shadow: 0 5px 15px rgba(0,0,0,0.03); } .result-item label { font-size: 0.9rem; color: var(--gray); display: block; margin-bottom: 5px; } .result-item .value { font-weight: 700; font-size: 1.3rem; color: var(--dark); } .calc-explanation { background: var(--light); border-radius: 16px; padding: 25px; margin-top: 30px; } .calc-explanation h3 { color: var(--dark); margin-bottom: 15px; font-size: 1.3rem; } .calc-explanation p { color: var(--gray); margin-bottom: 15px; line-height: 1.7; } .formula-box { background: white; padding: 20px; border-radius: 12px; margin: 20px 0; border-left: 4px solid var(--primary); } .formula { font-family: 'Courier New', monospace; font-size: 1.2rem; color: var(--primary); font-weight: bold; } .appliance-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; margin: 20px 0; } .appliance-item { background: white; padding: 15px; border-radius: 10px; text-align: center; border: 1px solid var(--gray-light); } .energy-tips { background: white; padding: 20px; border-radius: 12px; margin: 20px 0; border-left: 4px solid var(--success); } .consumption-chart { height: 200px; display: flex; align-items: flex-end; gap: 10px; margin: 20px 0; } .chart-bar { flex: 1; background: var(--primary); border-radius: 8px 8px 0 0; position: relative; } .chart-label { position: absolute; bottom: -25px; left: 0; right: 0; text-align: center; font-size: 0.8rem; } @media (max-width: 768px) { .input-row { grid-template-columns: 1fr; } }
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Electricity Bill Calculator

How to Calculate Electricity Bill

Electricity Unit Cost Calculator

           
Bill Calculation
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Monthly Electricity Bill
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Appliance Consumption

AC
Water Heater
Refrigerator
Lighting
TV
Air Conditioner
900-5000W
Refrigerator
100-800W
LED Bulb
5-20W
TV
50-400W

💡 Energy Saving Tips

  • Switch to LED bulbs (save 75% energy)
  • Use energy-efficient appliances
  • Unplug devices when not in use
  • Use natural light during daytime
  • Maintain AC temperature at 24°C

About Electricity Bill Calculation

Calculate your electricity bill based on consumption, rates, fixed charges, and taxes. Understand your energy usage to save money.

Formula:

Bill = (Units × Rate) + Fixed Charges + Tax

Complete Calculation:
Energy Charges = Units × Rate per Unit
Subtotal = Energy Charges + Fixed Charges
Tax Amount = Subtotal × (Tax Rate ÷ 100)
Total Bill = Subtotal + Tax Amount

Average Monthly Consumption:

  • Studio Apartment: 200-400 kWh
  • 1-Bedroom Apartment: 400-800 kWh
  • 2-Bedroom House: 800-1200 kWh
  • 3-Bedroom House: 1200-2000 kWh
  • Energy-Efficient Home: 150-300 kWh

Note: Actual bills may include additional charges like demand charges, fuel adjustments, or renewable energy fees.