Heat Input Calculator

• Home
• Welding
• Welding Calculator
• Heat Input Calculator

Heat Input

Voltage (V)

Current(A)

Welding Speed (mm/min or inch/min)

Thermal Efficiency (Enter 1 for ASME or refer below for EN ISO 1011-1)

Calculate Reset

Heat Input (KJ/mm or KJ/inch) =

Welding Process	Thermal Efficiency
Tungsten inert gas (TIG) / gas tungsten arc welding (GTAW)	0.6
Plasma arc welding (PAW)	0.6
Metal inert/active gas (MIG/MAG) / gas metal arc welding (GMAW)	0.8
Flux cored arc welding (FCAW) / Metal cored (MCAW)	0.8
Manual metal arc welding(MMA)/shielded metal arc (SMAW)	0.8
Submerged arc welding (SAW)	1