Welding Heat Input & Arc Energy Calculator
Calculate welding arc heat input in kJ/mm and kJ/inch based on current, voltage, travel speed, and process thermal efficiency (ASME / AWS).
- 100% free
- Private in browser
- No signup
- No watermarks
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About Welding Heat Input & Arc Energy Calculator
Calculate welding arc heat input in kJ/mm and kJ/inch based on current, voltage, travel speed, and process thermal efficiency (ASME / AWS). Enter Arc Welding Current, Arc Voltage and Travel Speed and the tool works out Heat Input, Heat Input and Gross Arc Energy straight away. Everything runs in your browser, so your data never leaves your device.
How to use Welding Heat Input & Arc Energy Calculator
- Enter Arc Welding Current, Arc Voltage and Travel Speed.
- Adjust the remaining options (Process) to match your case.
- Read Heat Input, Heat Input and Gross Arc Energy in the results panel — copy or download what you need.
Key features
- Shows Heat Input (kJ/mm)
- Shows Heat Input (kJ/inch)
- Shows Gross Arc Energy (kJ/mm)
- 4 adjustable inputs, results update as you type
- No signup, no limits
Frequently asked questions
- Is this calculation free and private?
- Yes, 100% of calculations execute locally in your web browser. No inputs or personal data are stored or transmitted.
- What does the Welding Heat Input & Arc Energy Calculator give me?
- It works out Heat Input, Heat Input, Gross Arc Energy and Electrical Arc Power, updating live as you change the inputs.
- What do I need to enter?
- Just Arc Welding Current, Arc Voltage, Travel Speed and Process. Every field has a sensible default you can start from.
- Is my data uploaded anywhere?
- No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.
- Does it work on a phone?
- Yes. The layout adapts to small screens and needs no app or signup.
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