Welding Reference Pro Every weld setting.
Every reference.
Offline.
8 calculators, 8 reference guides — from settings to symbols to defects. Built for welders on the shop floor, not in front of a laptop.
Weld Settings Calculator
Put in the metal.
Get the settings.
Select your process, material, and thickness. Get instant amps, volts, wire speed, gas, electrode, and polarity — no chart hunting.
- MIG, TIG, Stick, and Flux-Core processes
- Mild Steel, Stainless, Aluminum, and Cast Iron
- Any thickness — outputs a calibrated range, not a guess
- Gas type, polarity, and electrode all included
Weld Settings Calculator
Recommended Settings
Reference Guides
27 electrodes.
Every detail you need.
Searchable electrode and filler guide with coating type, polarity, welding positions, and applications — all offline.
- Stick, MIG, TIG, Flux-Core, and Nickel electrodes
- 18 AWS A2.4 welding symbols across 5 categories
- 13 joint types with bevel angles and root gap specs
- Weld Defect ID with severity ratings and fixes
Electrode / Filler Guide
Defect Identification
Identify the defect.
Fix it right.
10 common weld defects with severity rating, root causes, and corrective actions — so you fix it once and move on.
- Porosity, undercut, incomplete fusion, cracking, and more
- Severity badges: High / Medium / Low
- Causes listed, not just symptoms
- Corrective action for each cause
Weld Defect Identification
- Contaminated base metal or filler
- Insufficient shielding gas flow
- Gas leaks or drafts in work area
- Travel speed too fast
- Voltage too high
- Incorrect electrode angle
- Heat input too low
- Improper joint preparation
- Travel speed too fast
More Tools
Everything else you need
Heat Input Calculator
Amps × volts × 60 ÷ travel speed with 5 process efficiency factors. Instant kJ/in output.
Preheat Calculator
Carbon Equivalent formula across 7 elements. Returns preheat temp, crack sensitivity, and PWHT recommendation.
Symbol Decoder
18 AWS A2.4 welding symbols across 5 categories. Tap any symbol for a full breakdown of what it means on a print.
Unit Converter
7 categories: length, temperature, pressure, flow rate, weight, heat input, and area. Imperial ↔ metric in one tap.
Gas Flow Calculator
Select process, material, joint, and position — get the correct gas type and flow rate in CFH and L/min.
Weld Cost Estimator
Labor, filler metal, gas, and overhead per process. Know your per-foot cost before the job starts.
Download Free
The only welding app
you'll keep on your phone
From your first bead to your thousandth job — Welding Reference Pro has the settings, specs, and references you need, even without cell service.
Get it on the App Store