How do you calculate total jig build cost?

Multiply jig count by per-jig cost by the scope fraction for the variable portion, then add the fixed design, tryout, and documentation cost. For 8 jigs at $2,400 each at 100% scope plus $1,800 fixed, that's $19,200 + $1,800 = $21,000.

What is the average cost per jig?

Divide the total by the number of jigs. Here $21,000 across 8 jigs is $2,625 per jig — higher than the $2,400 fab cost because the fixed engineering spreads across the set.

Why include a fixed design and tryout cost separately?

Design, first-article tryout, and documentation are incurred once for the program regardless of how many jigs you build, so they belong in a fixed bucket. Burying them in the per-jig rate distorts the marginal cost of adding one more jig.

What does the scope percentage do?

It scales the variable cost for partial builds — say you're only building 70% of a planned jig's content because a base plate is reused. At 100% the full per-jig cost applies, so the default reflects a complete build.

How does jig count affect average cost?

More jigs dilute the fixed cost. The same $1,800 fixed across 8 jigs adds $225 each, but across 30 jigs it adds only $60 each — so larger programs always show a lower average per jig.

Should this include maintenance or just the initial build?

Just the initial build. Ongoing upkeep belongs in a repair or workholding payback analysis; mixing lifecycle cost into a build quote overstates the up-front tooling number.

Fixture, Gauge & Workholding Management calculator

Jig Build Cost Calculator

Jig Build Cost totals what a batch of jigs will actually cost to bring online — not just the per-jig fabrication, but the fixed design, tryout, and documentation effort that gets amortized across the set. Tooling engineers and estimators use it to build a defensible tooling line for a quote or capital request, and to see the true average cost per jig once engineering is spread out. It matters because the fixed bucket — CAD design, first-article tryout, work instructions — is often a third of the program on small jig counts, and ignoring it makes early quotes come in low. The scope percentage lets you model partial builds, like reusing an existing base or only building a portion of a planned set.

What this calculator does

Estimate build cost for production jigs, drill jigs, assembly jigs, weld jigs, locator nests, or operator-guided tooling.
Use it when quoting or budgeting a jig that controls part location, repeatability, operation sequence, or assembly quality.
It multiplies jig count by per-jig build cost and a scope factor to get variable tooling cost, then adds the fixed design/tryout/documentation cost to produce total and average jig build cost.

Formula used

Variable jig build cost = jigs to build × build cost per jig × jig scope included
Total jig build cost = variable jig build cost + fixed design, tryout, or documentation cost

Inputs explained

Number of jigs to build:
Build cost per jig:
Share of jig scope included:
Fixed design, tryout, and documentation cost:

How to use the result

Use it when quoting a tooling package, requesting capital for a jig program, or comparing build-in-house versus outsource for a set of jigs.
It assumes every jig in the batch costs the same per unit; if the set mixes simple drill jigs with complex multi-axis assembly jigs, run them as separate batches or your average will mislead.

Current U.S. benchmarks

The U.S. has 14,378 furniture and related products establishments employing about 355,594 workers (Census County Business Patterns, 2023).

Common questions

How do you calculate total jig build cost? Multiply jig count by per-jig cost by the scope fraction for the variable portion, then add the fixed design, tryout, and documentation cost. For 8 jigs at $2,400 each at 100% scope plus $1,800 fixed, that's $19,200 + $1,800 = $21,000.
What is the average cost per jig? Divide the total by the number of jigs. Here $21,000 across 8 jigs is $2,625 per jig — higher than the $2,400 fab cost because the fixed engineering spreads across the set.
Why include a fixed design and tryout cost separately? Design, first-article tryout, and documentation are incurred once for the program regardless of how many jigs you build, so they belong in a fixed bucket. Burying them in the per-jig rate distorts the marginal cost of adding one more jig.
What does the scope percentage do? It scales the variable cost for partial builds — say you're only building 70% of a planned jig's content because a base plate is reused. At 100% the full per-jig cost applies, so the default reflects a complete build.
How does jig count affect average cost? More jigs dilute the fixed cost. The same $1,800 fixed across 8 jigs adds $225 each, but across 30 jigs it adds only $60 each — so larger programs always show a lower average per jig.

Last reviewed 2026-05-12.