Arc Energy & Heat Input Calculator

Current, voltage and travel speed in — arc energy and thermal-efficiency-corrected heat input out.

Welding Parameters

Welding Current A

Arc Voltage V

Travel Speed

Process

Result

Arc Energy kJ/mm

Heat Input kJ/mm, k-corrected

Arc energy = (U × I) / v. Heat input = k × arc energy, where v is travel speed in mm/s.

Indicative only. Thermal efficiency factors (k) per ISO/TR 17671-1; arc energy / heat input definitions per ISO/TR 18491. Confirm against the applicable WPS, PQR and code acceptance limits.