Calculator
How much power do I need?
Enter your material, geometry, target temperature, and heat time to calculate the required induction power supply rating. Based on the fundamental energy balance equation with coil efficiency and radiation loss factors.
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Power Calculator
Fundamental Equation
P = m · Cp · ΔT / ( t · η )
1 Material
2 Geometry
3 Target Temperature (ΔT)
°C
4 Heat Time
sec
5 Coil Efficiency (η)
65%
Steel in close-coupled coil: 65-80% · Copper/aluminum: 40-55% · Tube/hollow: 50-70%
Results
Select a material and enter dimensions
to calculate required power.
to calculate required power.
How it works
- m = mass from geometry & density (kg)
- Cp = specific heat capacity (J/kg·°C)
- ΔT = target temperature rise (°C)
- t = heating time (seconds)
- η = coil-to-workpiece efficiency
- Radiation losses added for T > 700°C via Stefan-Boltzmann