Free tool 02

Per-Weld Margin Calculator

The whole business compresses into one line of arithmetic: what a weld sells for, minus what the inches and findings in it cost you. Enter your own invoice numbers and see it. Everything runs in your browser.

The spool

Spool cost, delivered ($)the invoice total for this chain including shippingFeet on the spoolfrom the listing; chain is commonly sold by the foot or spool

The piece

Inches per pieceuse your own average per piece typeFindings per piece ($)jump ring + connector at invoice costConsumables per weld ($)electrode wear + argon share, if your machine uses gas

The sale

Price charged ($)your menu price for this pieceProcessing (%)your card processor's percentageProcessing flat ($)the per-transaction flat fee

Your pace

Welds per active hourfrom your dry run: sit-down to done, honestly timed

Your chain math

Cost per inch: $0.317
Chain in this piece: $2.22
Processing on this sale: $1.90
Cost per piece: $4.86
Margin per weld: $50.14
Margin: 91%
Implied price per inch: $7.86
Margin per active hour: $200.55

Estimates from your own inputs, before taxes, booth fees, and your time. Not a quote, an income claim, or advice.

Margin per weld is the engine. Events are the road.

The Permanent Jewelry Launch Kit carries this worksheet further: pricing models, charm strategy, and the break-even check for every booth fee. $149 once, 30-day money-back guarantee.

See the Launch Kit Next: estimate an event