TestTalkHQ • Welding Hub

Welding Calculators and Practical Tools

This hub centralizes setup, cost, gas, heat, and productivity tools for MIG, TIG, Stick, Flux Core, and plasma workflows so you can calculate before striking an arc.

21Live Calculators
AllMajor Processes
FreeNo Sign-Up
ShopReal-World Focus

Start Here

Choose your process tool first (MIG, TIG, Stick, Flux Core), then move to gas, heat input, duty cycle, filler weight, or cost tools depending on job requirements. Use results as setup baselines, then fine-tune with test coupons and procedure notes.

Main Welding Calculator Tools

Process

MIG Welding Calculator

Set MIG voltage, wire feed, and process baseline values for cleaner starts and better consistency.

Open MIG Calculator ->

Process

TIG Welding Calculator

Estimate TIG settings for material and thickness to speed up setup and reduce trial-and-error.

Open TIG Calculator ->

Consumables

TIG Tungsten Electrode Selector

Match tungsten diameter, tip prep, and collet/cup to amps and polarity (AWS A5.12).

Open Tungsten Selector ->

Process

Stick Welding Calculator

Dial amperage and electrode guidance for SMAW jobs across common rod families.

Open Stick Calculator ->

Process

Flux Core Welding Calculator

Adjust FCAW settings for wire type, thickness, and position with practical shop targets.

Open Flux Core ->

Gas and Cost

Welding Gas Cost Calculator

Estimate shielding gas usage and cylinder-related operating cost for planning and quoting.

Open Gas Cost ->

Gas Flow

Shielding Gas Flow Rate Calculator

Set gas flow ranges that balance weld protection and cylinder efficiency.

Open Gas Flow ->

Gas Runtime

Gas Cylinder Duration Calculator

Estimate how long an argon, CO2, or mixed-gas cylinder lasts at your flow rate and duty cycle.

Open Cylinder Duration ->

Consumables

Wire Spool Runtime Calculator

Calculate feet of wire on a spool and how long a MIG or flux-core spool lasts at your WFS.

Open Spool Runtime ->

Strength

Groove / Butt Weld Strength Calculator

Size CJP and PJP groove welds for design strength — complements the fillet weld strength tool.

Open Groove Strength ->

Consumables

Filler Metal Weight Calculator

Estimate filler requirements before ordering to reduce stockouts and overbuying.

Open Filler Weight ->

Electrical

Wire Gauge Calculator for Welders

Size conductors and circuit expectations for safer welder installation planning.

Open Wire Gauge ->

Estimating · PDF + CSV + JSON

Weld Quote Builder Calculator

Build itemized client quotes with shop and client blocks, categorized line items, and discount-before-tax totals. Export PDF, CSV, or JSON — cost the job first with the Weld Cost Calculator.

Open Weld Quote Builder ->

Estimating

Weld Cost Calculator

Build labor-plus-consumable estimates for quoting and profitability decisions.

Open Weld Cost ->

Duty Planning

Duty Cycle Calculator

Plan weld and cooldown windows to avoid overheating and maintain output rhythm.

Open Duty Cycle ->

Procedure

Weld Shrinkage & Distortion Calculator

Estimate transverse layout allowance by weld type, thickness, material, and number of passes.

Open Shrinkage Calculator ->

Procedure

Heat Input Calculator

Check heat input values for distortion control and welding procedure compliance work.

Open Heat Input ->

Cutting

Oxy-Fuel Cutting Tip Calculator

Victor-style tip size, oxygen/fuel pressure, and travel speed by thickness and fuel gas.

Open Oxy-Fuel ->

Cutting

Plasma Cutting Calculator

Estimate plasma parameters for cleaner edges and more efficient consumable use.

Open Plasma Calculator ->

Cutting · CNC table

CNC Plasma Pierce Height & Cut Speed Calculator

Programmed pierce height, delay, cut height, and IPM starting range for gantry tables — not handheld torch amps.

Open CNC Plasma Calculator ->

Cable

Welding Cable Size Calculator

Size Class K-style electrode and work leads by amps and total cable length — not MIG filler wire or building branch-circuit ampacity.

Open Cable Size ->

Supporting Welding Guides and Resources

Weld Quote Builder CalculatorClient-ready PDF quotes — PDF, CSV, JSON export.Weld Quote Builder GuideShop/client info, line items, terms.Weld Quote Builder TroubleshootingTax, required fields, save/load.Quote Builder vs Cost CalculatorCost first, then quote — complementary workflow.WPQ Builder CalculatorFormat a WPQ test record PDF — does not certify a welder.WPQ Builder GuideEvery section explained, plus WPS-import prefill.WPQ Builder TroubleshootingWPQ vs WPS, load errors, required fields.WPQ vs WPS ExplainedSequential documents, not alternatives.WPS Builder GuideEvery section explained, plus save/load drafts.WPS Builder TroubleshootingWPS vs PQR, load errors, required fields.WPS vs PQR ExplainedSequential documents, not alternatives.Oxy-Fuel Cutting GuidePreheat, tip care, angle, and drag lines.Oxy-Fuel Cutting TroubleshootingDross, flashback, and poor cut quality.Oxy-Fuel vs PlasmaThickness, cost, portability, and material limits.Weld Cost Estimation GuideLabor/time bidding — not electricity or gas alone.Welder Electricity Cost GuidekWh and power cost at the machine.Welding Gas Cost GuideShielding gas $/hr and cylinder economics.Weld Deposition Rate Guidelb/hr productivity and efficiency.Wire & Electrode Consumption GuideFiller metal for bids.Fillet Weld Strength ChartE70XX lb/in capacity and min legs.Pipe Welding ChartSchedule walls, bevel, electrodes.Shielding Gas Flow ChartCFH by process and gas. Bolt-Circle / Hole-Pattern GuidePrint at 100%, mark, and drill.Hole-Pattern TroubleshootingScale, origin, and angle fixes.CNC vs Manual Punch MarkingPick template or CNC for the job.Tube Notch GuidePrint at 100%, wrap, trace, and fit.Tube Notch TroubleshootingRoot gaps, wrap errors, fragile horns.Template vs Hole Saw vs NotcherPick the right notching method.Tube Bending TroubleshootingWall thinning, ovality, wrinkling, springback. Wire Spool Runtime TroubleshootingEstimate vs actual consumption and spool math errors. Welder Wire Gauge TroubleshootingFeed issues, voltage drop on long leads, gauge vs amps. Wire Feed Speed TroubleshootingBurnback, birdnesting, liner tension, WFS vs amps. Welding Gas Cost TroubleshootingLeaks, flow waste, rental vs purchase, blend cost. Weld Shrinkage Prediction TroubleshootingWhen calculator estimates diverge from field distortion. Weld Joint Design TroubleshootingIncomplete fusion, root gap, groove vs fillet selection. Shielding Gas Flow TroubleshootingPorosity, wind, freeze-up, turbulence, gas lens vs collet.Spot Welding GuidekA, cycles, force, tip. Spot Welding TroubleshootingExpulsion, weak nuggets, mushrooming, sheet gap, batch drift.Weld Joint Design ChartGroove defaults & fillet mins. Gas Cylinder Duration GuideTank cu ft, CFH, and duty cycle — how long the bottle lasts.Filler Metal Weight TroubleshootingShortages, over-orders, wrong efficiency, joint volume.Gas Cylinder Duration TroubleshootingEarly empties, freeze-up, CFH waste, PSI myths, CO₂ near empty.Wire Spool Runtime GuideFeet of MIG wire and spool life at your WFS.TIG Tungsten Electrode GuideTypes, color codes, thoriated phase-out, tip prep.TIG Tungsten Electrode TroubleshootingConsumption, discoloration, cracking tips.Which Tungsten Type to UseHome shop vs production · DCEN vs AC picks.MIG Welding Settings GuideHow the MIG calculator builds WFS, voltage, and gas — plus puddle tuning.Stick Welding Settings GuideAmperage math, dig/arc-force, and SMAW technique beyond the rod chart.Flux-Core Welding TroubleshootingSpatter, wind porosity, soft-wire feed, DCEN polarity, slag trapping.Preheat Temperature GuideCE, hydrogen cracking risk, and how to verify preheat on the job.Interpass Temperature GuideWhy max interpass limits exist and how to measure between passes.Interpass Temperature TroubleshootingFake IR, wrong measure spot, stacked heat, stainless over-temp.Heat Input GuidekJ/mm formula, mechanical properties, and WPS brackets.Heat Input TroubleshootingFake travel, dial vs clamp, ASME/ISO mix, cracks & toughness.Stringer vs Weave Heat InputTechnique fork when kJ/mm is the constraint.Weld Shrinkage & Distortion GuideCauses, transverse vs longitudinal, layout compensation.Weld Distortion TroubleshootingAngular, bowing, buckling, and twist diagnosis.Weld Sequencing to Minimize DistortionBackstep, skip, and balanced sequences.Fillet Weld Strength GuideLeg, throat, 0.707, and calculator capacity readout.Fillet Weld Strength TroubleshootingUndersize, overlap, undercut, and root fusion vs P.Fillet Weld Sizing TechniqueGauge legs, sizing mistakes, and intermittents.Groove Weld Strength GuideCJP vs PJP calculator results and fab strength decisions.Groove Weld Strength TroubleshootingFusion, penetration, undercut, and root porosity vs φRn.Groove Weld Joint Prep TechniqueBevel, root gap, backing, and root-pass discipline.Weld Joint Design GuideGroove and fillet joint design — pairs with groove strength calc. Best MIG Welders (Under $500, $1000, $2000)Buying-guide landing reference from existing hub links. Best TIG Welders for BeginnersEntry-level TIG purchasing reference from existing links. Best Multi-Process WeldersCompare multi-mode machine options. Welder Comparison ToolGeneral comparison destination from existing page links.

From the TestTalkHQ shop

Complete Welding Settings Guide — $12.99

Want MIG, TIG, Stick, and flux-core settings in one printable pack? 8-page shop reference — print it, not just the calculator numbers.

View on Etsy →

Practical Notes

Should I trust calculator settings exactly as final values?

Use them as validated starting points, then adjust for machine behavior, joint prep, and fit-up conditions.

Which tools should be used together most often?

Process calculator + gas flow + heat input is a common high-value combination for quality and repeatability.

How does this help production work?

It reduces setup time and improves consistency by making settings traceable between operators and repeat jobs.

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Welding Job Estimator

Welding Job Estimator

Price the job, then hand over a quote with no internal numbers.

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Welding Complete Bundle

Welding Complete Bundle

Card, 19-page guide and the estimator workbook. All six files.

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$45.98 if bought separately — save $10.99

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What this calculator does

This hub collects TestTalkHQ welding calculators in one workflow-oriented list—setup, gas, heat, consumables, duty cycle, and job costing for MIG, TIG, stick, flux-core, and plasma. Use it as the front door when you know you need welding numbers but not which single tool to open first. Every linked calculator is free and built for shop-floor estimating and procedure planning.

What each input means

  • MIG welding calculator: Starting voltage and wire feed for steel and common wire sizes—baseline before fine-tuning on the machine.
  • TIG welding calculator: Amperage and balance guidance by material and thickness for cleaner arc starts.
  • Stick welding calculator: Amperage range and electrode family notes for SMAW jobs on the floor.
  • Flux-core welding calculator: FCAW settings tuned to wire type, thickness, and position.
  • Shielding gas flow rate calculator: CFH targets that protect the weld without wasting cylinder gas.
  • Welding gas cost calculator: Cylinder usage and operating cost for quoting and shop budgeting.
  • Electrode and wire consumption calculator: Pounds of filler or rod count from weld length and joint size.
  • Filler metal weight calculator: Order quantity from joint geometry when you are stocking spools or rods.
  • Heat input calculator: kJ/in or metric heat input for procedure control and distortion awareness.
  • Duty cycle calculator: Weld vs cool windows so smaller machines do not overheat on long beads.
  • Weld cost calculator: Labor plus consumables and power for bid lines and margin checks.
  • Wire gauge calculator for welders: Conductor sizing for welder circuits and extension planning.
  • Plasma cutting calculator: Amps, IPM, pierce, and gas pressure when cutting accompanies welding on the same job.

Using the results on the job

Typical flow: pick the process calculator, confirm gas flow and heat input on critical joints, then run consumption or weld cost before you order filler or send a quote. Write final settings on the traveler after a test coupon—hub numbers are starting points, not replacements for your WPS or inspector requirements. Link apprentices to one process tool at a time so they learn which inputs matter for each arc type.

Related hubs: All Free Calculators for electrical and fab tools, and Air Compressor Calculators when plasma or purge gas supply is part of the job.

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