Is an Induction Cooktop cheaper than an LPG Cylinder in India?

It depends on your local electricity tariff. Induction cooktops convert ~85% of electrical energy into cookware heat. At electricity rates below ₹6.50 per unit, induction cooking is cheaper than a ₹850 LPG cylinder. At higher slabs (₹8.00+ per unit), LPG or PNG is slightly cheaper.

How much PNG gas does a family use per month in India?

A typical 4-person Indian family consumes ~8 to 11 SCM (Standard Cubic Meters) of domestic PNG gas per month for daily cooking (~₹400 to ₹550/month).

Why is Induction more efficient than Gas Stoves?

Gas stoves lose 40% to 45% of thermal heat to surrounding kitchen air through open flames (55% to 62% efficiency). Induction cooktops generate heat directly inside the magnetic cookware metal via electromagnetic induction, achieving 84% to 90% thermal efficiency.

What standards govern LPG and PNG energy content in India?

Energy conversion baselines follow PPAC (Petroleum Planning & Analysis Cell) standards (46.1 MJ/kg for LPG, 38.5 MJ/SCM for Natural Gas) and BEE Schedule 20 for induction efficiency.

PPAC Energy & BEE Schedule 20 Benchmark Engine

Induction vs PNG / LPG Cooking Cost Calculator

Calculate exact monthly cooking bills, thermal efficiency savings, and fuel expenses comparing Induction Stoves, PNG Piped Gas, and 14.2 kg LPG Cylinders.

PPAC & BEE Schedule 20 Standards Engine

Induction Cooktop vs PNG Piped Gas / LPG Cooking Cost Calculator

[REPRESENTATIVE INDUSTRY BENCHMARK]

1. Household Size & Cooking Heat Requirement

14.2 kg LPG Cylinder Refill Price (₹)Default ₹850/cylinder (Non-subsidized retail rate)

PNG Piped Gas Tariff (₹ per SCM)Default ₹48.50/SCM (IGL / MGL Domestic PNG Rate)

Electricity Tariff Bridge

⚡ Induction Cooktop

₹627.65 / mo

70.59 kWh Electricity (85% Thermal Eff)

🔥 PNG Piped Gas

₹438.65 / mo

9.04 SCM Gas @ ₹48.50/SCM

🛢️ 14.2 kg LPG Cylinder

₹483.78 / mo

0.569 Cylinders @ ₹850.00/Cyl

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Cheapest Cooking Fuel Finding

For your current tariffs, PNG PIPED GAS is the most economical cooking fuel at ₹438.65 / month!

₹438.65 / mo

🧾 Step-by-Step Calculation Audit Proof

Monthly Household Useful Cooking Heat Demand

60.0 kWh delivered heat / month (4-Person Family Baseline)

60.0 kWh Useful Heat / month

Induction Cooktop Power & Cost

60.0 kWh ÷ 85% eff = 70.59 kWh | Cost @ ₹8.89/unit

70.59 Units (₹627.65/mo)

PNG Piped Gas Consumption & Cost

60.0 kWh ÷ 6.634 kWh/SCM = 9.04 SCM | Cost @ ₹48.50/SCM

9.04 SCM Gas (₹438.65/mo)

14.2 kg LPG Cylinder Refill & Cost

60.0 kWh ÷ 105.42 kWh/Cyl = 0.569 Cylinders | Cost @ ₹850.00/Cyl

0.569 Cylinders (₹483.78/mo)

PPAC & BEE Cooking Energy Disclosure:

Induction cooktop efficiency (85%) follows BEE Schedule 20 and IS 16102 standard baselines.
PNG energy content (38.5 MJ/SCM) and LPG net calorific value (46.1 MJ/kg) follow PPAC conversion standards.
Relative cost rankings depend heavily on local electricity slab tariffs versus LPG cylinder refill subsidies.

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Induction Cooktop Power Calculator

Calculate detailed hourly and monthly power consumption for induction stoves.

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Electric Kettle Power Calculator

Compare water boiling energy and electricity costs for electric kettles.

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Universal Unit Converter Hub

Convert MJ to kWh and calculate thermal energy conversions.

How Cooking Fuel Costs are Normalized & Calculated

Cooking fuel comparisons require normalizing gross energy into useful delivered heat (kWh) based on burner efficiency: Induction (85%), PNG (62%), and LPG (58%).

Useful Heat (60 kWh/mo 4-Person Family) = Delivered Thermal Energy

Induction: 60 kWh ÷ 0.85 = 70.59 kWh Electricity (₹529.41/mo @ ₹7.50/unit)

PNG Piped Gas: 60 kWh ÷ 6.634 kWh/SCM = 9.04 SCM Gas (₹438.44/mo @ ₹48.50/SCM)

14.2 kg LPG Cylinder: 60 kWh ÷ 105.42 kWh/Cyl = 0.569 Cylinders (₹483.65/mo @ ₹850/Cylinder)

Cooking Fuel Energy & Cost Comparison Table

Cooking Fuel	Thermal Eff %	Monthly Fuel Draw (60 kWh heat)	Monthly Cost (Standard Tariff)	Cost at Low Elec Slab (₹5/unit)
Induction Cooktop	85%	70.59 kWh Elec	₹529.41 / mo	₹352.94 / mo (Cheapest!)
PNG Piped Gas	62%	9.04 SCM Gas	₹438.44 / mo	₹438.44 / mo
14.2 kg LPG Cylinder	58%	0.569 Cylinders	₹483.65 / mo	₹483.65 / mo

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