Induction Cooktop vs LPG Gas Cylinder Cost Calculator 2026
Compare monthly cooking expenses between LPG cylinders and electric induction cooktops. Real thermal efficiency physics shows 1 cylinder (14.2 kg) equals 93 electricity units.
1. Set Your Current LPG Gas Cylinder Usage & Cost
2. Set Electricity Tariff & Cooktop Purchase Price
LPG Cooking Gas (Flame Burner)
40–45% Thermal EfficiencyInduction Cooktop (Electromagnetic)
85–90% Thermal EfficiencyHow to Use the Induction vs LPG Gas Cooking Cost Calculator
Enter LPG Cylinder Price
Enter your 14.2 kg domestic cylinder price (e.g. ₹850).
Specify Cylinder Lifespan
Set how many days one LPG cylinder lasts in your kitchen (e.g. 35 days).
Review Electricity Tariff Rate
Input your home power tariff rate per unit (e.g. ₹6.50/kWh) to see instant side-by-side fuel comparison.
Check Induction Cooktop Payback
See how many months of gas savings will completely pay for purchasing a brand new ₹2,200 induction stove.
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Induction vs LPG Gas Cooking: The Thermodynamic Heat Loss & Savings Science
Why does switching from LPG cylinder cooking to induction save substantial money every month? The secret lies in Thermal Energy Efficiency. A standard 14.2 kg domestic LPG cylinder contains approximately 182 kWh of raw chemical heat energy. However, conventional gas stoves operate at only 40% to 45% thermal efficiency—meaning 55% of the heat is completely wasted into the kitchen atmosphere. Induction cooktops use high-frequency electromagnetic fields that transfer 85% to 90% of energy directly into the cookware base.
Accounts for your household's actual cylinder replacement frequency and retail cylinder refill tariff.
To deliver identical 81.9 kWh useful cooking heat, induction requires only 93 kWh ($81.9 \div 0.88$).
Direct money saved each month by cooking with induction over conventional burner flames.
📊 Household Cooking Profile: LPG vs Induction Monthly Comparison Matrix
| Family Profile | Cylinder Life | Monthly Gas Cost | Induction Units | Induction Cost (@₹6.50) | Monthly Savings | Annual Savings |
|---|---|---|---|---|---|---|
| Couple / Bachelor Flat | 50 Days | ₹510.00 | 55.8 Units | ₹362.70 | +₹147.30 | ₹1,768 / yr |
| Standard 4-Member Family | 35 Days | ₹728.57 | 79.7 Units | ₹518.05 | +₹210.52 | ₹2,526 / yr |
| Joint Family (6–8 Members) | 22 Days | ₹1,159.09 | 126.8 Units | ₹824.20 | +₹334.89 | ₹4,019 / yr |
| Heavy Cooking / Home Catering | 15 Days | ₹1,700.00 | 186.0 Units | ₹1,209.00 | +₹491.00 | ₹5,892 / yr |
❄️ Kitchen Thermal Comfort & Ambient Heat Loss
LPG burners waste over 55% of flame heat directly into kitchen air, raising indoor temperatures by 4°C to 6°C and forcing kitchen exhaust fans and dining room air conditioners to draw extra power. Induction cooktops stay cool to the touch and transfer heat only to the pan, keeping your kitchen completely sweat-free during Indian summers.
🍳 Cookware Compatibility & Ferromagnetic Base
Induction cooktops work with all cookware that has a magnetic base, including cast iron, enamel-coated iron, and induction-bottom stainless steel vessels (easily verified if a refrigerator magnet sticks to the bottom). For traditional aluminum pans and pressure cookers, low-cost ferromagnetic converter discs (₹250–₹350) make any utensil compatible instantly.