Calculations don’t add up correctly
Unless I’m doing something, the calculations done add correctly.
$7.99
About
This app provides essential tools for welding inspection, including calculators for heat input, equivalent carbon content, critical metal parameters, and pitting resistance. It supports both metric and imperial systems and allows for data export.
✓Heat input calculator
✓Equivalent carbon content calculator
✓Critical metal parameter calculator
✓Pitting resistance calculator
✓Metric & imperial system support
✓Result history and export
✓Open-source
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What's New in Welding Toolbox 2
2.2.0
January 6, 2026
- Major UI redesign, internal refactor (incl. dependency upgrades) - Live Activity for the welding timer (currently read-only) - Optional, AR-based distance measurement for weld length (only on supported devices)
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FAQ
What welding calculations can Welding Toolbox 2 perform?
Welding Toolbox 2 can calculate heat input according to EN 1011-1, equivalent carbon content (CEQ, CET, CE AWS), critical metal parameters (PCM), and pitting resistance equivalent number (PREN).
Does Welding Toolbox 2 support different measurement systems?
Yes, Welding Toolbox 2 supports both metric and imperial systems, allowing for flexibility in calculations based on your project requirements.
Can I save and export my welding calculations?
Yes, the app includes a result history feature and allows you to export your calculations as an XLSX spreadsheet file for further analysis or record-keeping.
Is Welding Toolbox 2 free to use?
No, Welding Toolbox 2 is a paid application priced at $7.99. It is free of ads and in-app purchases.
What devices is Welding Toolbox 2 available on?
Welding Toolbox 2 is available for iPhone and iPad devices.
How often is Welding Toolbox 2 updated?
The latest version, 2.2.0, was last updated on January 6, 2026. The app was initially released on December 29, 2020.
Is Welding Toolbox 2 suitable for beginners?
While created in cooperation with professional welding engineers, the app's straightforward calculators and clear interface can be beneficial for both professionals and those learning about welding inspection.
Does Welding Toolbox 2 have ads?
No, Welding Toolbox 2 is completely free of advertisements and in-app purchases, offering an uninterrupted user experience.