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.