WeldKit: Welding Calculators

WeldKit is a practical welding calculator app built for fabricators, welders, and shop use.

Get fast, no-nonsense welding math and reference tools in one place. Start with the free MIG calculator, then unlock 7 more calculators with a one-time purchase. No subscription.

Whether you're in the shop, in the field, or setting up a machine for the first time, WeldKit helps you dial in settings faster and work with more confidence.

Included calculators:
• MIG Welding Calculator (Free)
• TIG Welding Calculator
• Stick Welding Calculator
• Flux-Core Calculator
• Plasma Cutting Calculator
• Heat Input Calculator
• Weld Cost Estimator
• Preheat Temperature Calculator

Built for real-world use:
• Fast, simple interface
• Imperial and metric support
• No accounts or logins required
• Designed for quick setup and jobsite use
• Built for speed — no fluff

Why WeldKit:
• Multiple welding calculators in one clean app
• Useful for fabricators, welders, and shop work
• Quick starting points for common welding setups
• Practical tools without clutter or wasted time

Unlock WeldKit Pro to get all 8 calculators with a one-time purchase.

Built by a fabricator, for fabricators.