TIG Tungsten & Amperage Calculator
Electrode size and gas-cup match for your TIG current range.
2.4 mm (3/32") thoriated/lanthanated covers 90% of DC steel work. Grind points LENGTHWISE for arc stability; ball the tip only for pure-tungsten AC.
Formula
Disclaimer: This tool is for general informational and estimation purposes only and is not professional financial, tax, accounting or legal advice. All figures are estimates — verify with a qualified professional before making decisions. Read the full disclaimer.
TIG Tungsten & Amperage Calculator is a free tig tungsten size for welding engineers, fabricators and CWI inspectors — instant, accurate and 100% client-side, with the governing formula and reference shown next to the result so the number can be defended, not just quoted.
About TIG Tungsten & Amperage Calculator
Electrode size and gas-cup match for your TIG current range. The calculation implements DC: 1.6mm→60A · 2.4→130 · 3.2→220; AC: halve (AWS A5.12; CK Worldwide charts). 2.4 mm (3/32") thoriated/lanthanated covers 90% of DC steel work. Grind points LENGTHWISE for arc stability; ball the tip only for pure-tungsten AC.
How to use TIG Tungsten & Amperage Calculator
- 1Enter Welding current in A.
- 2Enter AC (aluminium)? (1 = yes — AC halves a tungsten's capacity).
- 3Read Tungsten diameter, Gas cup size (#) instantly — no submit button needed.
Why use TIG Tungsten & Amperage Calculator?
- ✓Implements the standard formula — DC: 1.6mm→60A · 2.4→130 · 3.2→220; AC: halve
- ✓Reference cited on-page: AWS A5.12; CK Worldwide charts
- ✓Runs entirely in your browser — nothing uploaded, free forever
Frequently asked questions
What formula does the TIG Tungsten & Amperage Calculator use?+
It computes DC: 1.6mm→60A · 2.4→130 · 3.2→220; AC: halve, per AWS A5.12; CK Worldwide charts. The formula is displayed under the result.
What should I keep in mind when using this calculator?+
2.4 mm (3/32") thoriated/lanthanated covers 90% of DC steel work. Grind points LENGTHWISE for arc stability; ball the tip only for pure-tungsten AC.
Does this follow AWS/IS welding codes?+
Each tool implements the formula from the cited code or handbook (AWS D1.1, IS 800, ISO/EN). Qualified WPS values always govern over any calculator for code work.
Is the TIG Tungsten & Amperage Calculator free to use?+
Yes — completely free, no sign-up, no limits. It runs client-side in your browser, so inputs stay private and results are instant even on slow connections.
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