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BIS IS 302-2-6 & PCRA Thermal Efficiency Benchmarks

Induction Cooktop Power & LPG Cost Calculator

Calculate exact electricity units, power bills, and LPG gas cylinder cost comparison for 1400W, 1800W, 2000W, and 2100W Induction Cooktops.

BIS IS 302-2-6 / IS 14798 & PCRA LPG Energy Comparison Engine

Induction Cooktop Power Consumption & LPG Cost Comparison

[REPRESENTATIVE INDUSTRY BENCHMARK]
Average household cooks ~45 to 75 minutes per day.
Default: ₹850 per 14.2 kg domestic LPG cylinder
Induction Efficiency:85% (BEE/PCRA)
LPG Gas Stove Efficiency:50% (PCRA Benchmark)
Monthly Induction Bill
₹462.55
Based on 42 Units/month
Monthly Equivalent LPG Cost
₹309
~0.363 LPG Cylinders/month
Daily Electricity Consumption
1.4 kWh / day
Annual: 504 kWh
Active Tariff Engine
UPPCL
UPPCL Urban LMV-1 Tariff Engine (UPERC Order)

💡 Induction vs LPG Cooking Cost Comparison

LPG is Cheaper at this Tariff
Induction Monthly Bill
₹462.55
42 Units/month
LPG Monthly Equivalent Cost
₹309
5.16 kg LPG (0.363 Cylinders)
Cost Premium
₹154 / month
₹1843/year premium

🧾 Step-by-Step Calculation Audit Proof

Induction Electricity Consumption
(1400 W × 60 mins/day) ÷ (60 × 1000) × 30 days
42 Units / month
Useful Heat Delivered to Food Pan
42 Units × 85% Induction Efficiency
35.7 kWh Useful Heat / month
Equivalent LPG Fuel & Cylinder Required
(35.7 kWh ÷ 50% LPG Efficiency) ÷ 13.84 kWh/kg ÷ 14.2 kg
5.16 kg LPG (0.363 Cylinders / month)
Monthly Cost Comparison (Induction vs LPG)
Induction: ₹462.55 (UPPCL Urban LMV-1 Tariff Engine (UPERC Order)) vs LPG: ₹309 (@ ₹850/cylinder)
LPG is ₹154/month cheaper at this electricity rate
Thermodynamic & Efficiency Methodology Disclosure:
  • Induction power consumption is calculated from operating wattage and cooking duration. Modulation levels (simmering vs boiling) affect actual average power draw.
  • LPG comparison normalizes for Useful Heat Delivered to food pans based on PCRA efficiency benchmarks (85% Induction vs 50% LPG stove efficiency).
  • Calculated energy and LPG figures represent estimates based on entered cooking habits, cylinder prices, and state utility tariff engines.
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How Induction Power & LPG Cost Comparison is Calculated

Induction cooking efficiency is evaluated based on useful heat delivered to food. While gas flames lose ~50% of heat into room air, induction cooktops deliver ~85% of energy directly into cookware via magnetic induction.

Daily Electricity kWh = (Operating Power W × Daily Cooking Minutes) ÷ 60,000
Useful Heat Delivered (kWh) = Monthly Electricity kWh × 85% Induction Efficiency
Equivalent LPG Fuel Required (kg) = (Useful Heat ÷ 50% LPG Efficiency) ÷ 13.84 kWh/kg
Example: 1,400W induction running 60 mins/day = 42 Units/month (₹315 @ ₹7.50/unit) vs 0.363 LPG Cylinder (₹309 @ ₹850/cylinder)

Induction vs LPG Gas Cooking Cost Benchmark Table (60 Mins/Day)

Cooktop CategoryOperating PowerMonthly Units (60 mins/day)Monthly Induction Bill (₹7.50/unit)Monthly LPG Equivalent Cost (₹850/cyl)
Compact Induction Cooktop1,400 W42 Units₹315 / month₹309 / month (0.363 Cyl)
Household Induction Cooktop1,800 W54 Units₹405 / month₹397 / month (0.467 Cyl)
High-Speed Turbo Cooktop2,100 W63 Units₹473 / month₹463 / month (0.545 Cyl)
Induction Cooktop Power Consumption Calculator | BijliWise