Most welding shops underprice their work. Not because they don't know their craft — but because they're guessing at cost instead of calculating it.
The result? Jobs that look profitable on paper but drain the bank account once you account for setup time, consumables, and the rework nobody wants to talk about.
Here's the framework professional estimators use to price welding jobs accurately every time.
Start With Your True Shop Rate
Your shop rate isn't just your welder's hourly wage. It includes:
- Direct labour — welder's wage + burden (benefits, payroll taxes, insurance)
- Overhead — rent, utilities, equipment depreciation, insurance, admin
- Machine cost — wire, gas, tips, nozzles, grinding wheels per hour
A common mistake is pricing at the labour rate and forgetting overhead. If your welder earns $30/hr but your fully-loaded shop rate is $85/hr, you're losing $55 every hour you're welding.
Take your total monthly fixed costs, divide by your billable hours, and add your labour cost. That's your floor rate — the minimum you need to charge just to break even.
Break the Job Into Operations
Every welding job has distinct operations that need to be estimated separately:
1. Fit-up and tacking — getting parts positioned and held before welding. Often underestimated. Budget 20–40% of total weld time for complex assemblies.
2. Welding — the actual arc time. Use weld length, joint type, and deposition rate to calculate this. A skilled MIG welder might deposit 5–10 lbs of wire per hour on flat plate; TIG is much slower.
3. Grinding and finishing — cleaning up welds, grinding flush, preparing for inspection. Often as much time as the welding itself on structural work.
4. Inspection — visual inspection, dimensional checks, NDT if required.
5. Handling and setup — fixturing, positioning, repositioning. Heavy or awkward parts multiply this.
Missing any of these operations is how shops lose money on otherwise good-looking jobs.
Don't Forget Outside Services
Powder coating, sandblasting, heat treating, stress relieving, certified weld inspection — these all need to be on your quote as separate line items with markup.
A common mistake is quoting these at cost. You're managing the subcontractor relationship, coordinating logistics, and taking on liability. Mark up outside services 15–25% minimum.
Add Complexity Multipliers
Not all welds are equal. Tight tolerances, awkward positions, restricted access, and exotic materials all slow you down. Build complexity into your estimate:
- Simple (flat, clean, good fit-up): 1× baseline
- Medium (out-of-position, some rework expected): 1.25–1.5×
- Complex (overhead, restricted access, tight tolerance): 1.5–2×
This isn't padding — it's accounting for reality.
Build In Margin, Not Just Break-Even
Your shop rate covers costs. Margin is the profit that lets you buy new equipment, hire another welder, and grow the business.
A healthy fabrication shop targets 25–35% gross margin on labour. If you're consistently below 20%, you're working hard for nothing.
The formula: Quote price = (Estimated cost) divided by (1 minus target margin percent)
On a $500 cost job targeting 30% margin: $500 divided by 0.70 = $714.
The Fastest Quote Wins
All of this matters — but speed matters too. Shops that reply to RFQs within an hour win more jobs than shops with slightly better prices who reply the next day.
The goal isn't just an accurate quote. It's an accurate quote, fast.
That's exactly why we built Quotara — to let fabricators paste in an RFQ, hit AI estimate, and get a fully itemized quote built around their shop's actual rates in under four minutes. Try it free for 14 days.