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Calcimator

Induction Cooktop Efficiency Calculator

Compare monthly costs and energy use of induction vs. gas vs. electric resistance cooking based on your usage and energy prices.

Inputs

hrs
kW
$/kWh
$/therm

Results

Induction monthly cost

$15.52

≈ 3 cups of coffee

Electric coil monthly cost$18.75
Gas monthly cost$9.70
Annual savings vs. gas-$69.81
Annual savings vs. electric coil$38.79
Induction electricity use103.4 kWh/mo
Induction CO₂ emissions529 kg/yr
Gas CO₂ emissions521 kg/yr
How to Use This Calculator
  1. Enter your daily cooking hours and average burner power in kW.
  2. Set your electricity cost per kWh and natural gas cost per therm.
  3. The calculator compares monthly energy costs for induction, electric coil, and gas cooking.
  4. Review annual savings versus gas and versus electric coil, plus CO₂ emissions for each option.
  5. Use the results to justify an induction cooktop upgrade and estimate payback period.

How the result changes with Cooking hours per day

Cooking hours per dayInduction monthly cost
0.89$9.21
2.87$29.69
5.24$54.21
7.21$74.59

What each input means

Cooking hours per day
Average daily active cooking time (burner on). US average is about 1–2 hours.
Average burner power
Average power draw while cooking. Simmering ≈ 0.5–1 kW, medium ≈ 1.5–2 kW, high ≈ 2.5–3.5 kW.
Electricity cost
Your electricity rate per kilowatt-hour. US average ≈ $0.12–0.17/kWh.
Natural gas cost
Your natural gas rate per therm. US average ≈ $1.00–1.50/therm.

What each result means

Induction monthly cost
Monthly cooking energy cost using induction (87% efficient).
Electric coil monthly cost
Monthly cooking energy cost using electric resistance (72% efficient).
Gas monthly cost
Monthly cooking energy cost using a gas burner (38% efficient).
Annual savings vs. gas
How much you save per year by switching from gas to induction.
Annual savings vs. electric coil
Annual savings by switching from electric resistance to induction.
Induction electricity use
Monthly electricity consumed by induction cooking.
Induction CO₂ emissions
Estimated annual CO₂ from induction cooking (US average grid mix).
Gas CO₂ emissions
Estimated annual CO₂ from gas cooking (direct combustion only).

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Cooking hours per day = 1.5, Average burner power = 2, Electricity cost = 0.15, Natural gas cost = 1.2 = 4 input(s) provided
  2. Calculate Induction monthly cost
    Induction monthly cost = inductionCostDay * 30
    15.52 = $15.52
  3. Calculate Electric coil monthly cost
    Electric coil monthly cost = electricCostDay * 30
    18.75 = $18.75
  4. Calculate Gas monthly cost
    Gas monthly cost = gasCostDay * 30
    9.7 = $9.7

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators.

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