How do you calculate a harness quote cost?

Multiply the lot quantity by the build cost per harness and by the margin-realization percentage, then add the fixed NRE charge. In the example, 500 harnesses times $42 times 85% gives $17,850 variable, plus $2,200 NRE, for a $20,050 total.

What is the price per harness in this example?

Total quote cost divided by lot size: $20,050 across 500 harnesses is $40.10 per unit. Note how the $2,200 NRE alone adds $4.40 per unit at this volume and far more at lower quantities.

What does margin realization mean in a harness quote?

It is the share of your intended price you actually expect to capture after competitive negotiation. An 85% factor says you plan to land at 85% of the modeled variable value; a tighter market pushes it lower and squeezes the quote.

Why does the NRE make small quantities so expensive?

Because the fixed $2,200 is spread across whatever lot size you quote. Over 500 units it is $4.40 each; over 50 units it becomes $44 each — which is why customers who want prototypes pay a steep per-unit premium.

Should NRE be quoted separately or rolled into unit price?

Both approaches appear in practice. Rolling it in, as this tool does, gives a single per-harness price but hides the tooling cost; quoting NRE as a line item is cleaner for the customer and protects you if the volume falls short.

How do I quote a harness at higher volume?

Increase the lot size and the fixed NRE spreads thinner while build cost stays per-unit. Rerun with your target quantity to see the per-harness price drop and to set volume price breaks.

Wire Harness, Cable & Electromechanical Assembly calculator

Harness Quote Cost Calculator

Harness quote cost turns your build cost, expected margin capture, and one-time engineering charges into a total quote and a per-unit price. Estimators and sales engineers in wire harness shops use it to build fast, defensible quotes without dropping the NRE or under-recovering margin on low-volume runs. The margin-realization factor is the honest twist: it reflects the percentage of your target price you actually expect to capture after negotiation and competitive pressure. Spreading a fixed NRE charge across the lot is what makes small quantities expensive per unit and volume quotes cheap.

What this calculator does

Build a harness quote by combining per-unit build cost, the margin actually realized and one-time NRE and sample charges.
An estimator responding to an RFQ uses it to roll loaded build cost, expected margin and first-article charges into a single quoted price.
It multiplies lot size by build cost and margin realization to get variable cost, adds the fixed NRE charge for a total, and divides by lot size for a per-harness price.

Formula used

Total = harnesses x build cost x margin realization% + NRE charge
Per harness = Total / harnesses quoted

Inputs explained

Harnesses in the quoted lot:
Build cost per harness:
Margin realization factor:
NRE, tooling & first-article charge:

How to use the result

Use it when pricing a new harness RFQ or re-quoting a program at a different volume, especially where tooling or first-article charges apply.
The margin-realization factor here scales the variable cost directly, so treat it as a price-capture multiplier and validate that it matches how your cost model defines margin before trusting the per-unit figure.

Current U.S. benchmarks

The producer price index for copper and brass mill shapes stands at 559.593 (BLS, May 2026), up 76.8% from a year earlier. Quotes priced off last quarter's material cost miss this move. Global copper trades at $13,484 per tonne (IMF via FRED, May 2026).
Manufacturing hourly earnings average $30.27 (BLS, Jun 2026), up 4.4% from a year earlier. Median machinist pay is $28.24/hr (OEWS 2025), with state medians on each state page. Manufacturers have 529k open positions nationally (BLS JOLTS).
The U.S. has 5,397 electrical equipment and appliances establishments employing about 369,437 workers (Census County Business Patterns, 2023).

Common questions

How do you calculate a harness quote cost? Multiply the lot quantity by the build cost per harness and by the margin-realization percentage, then add the fixed NRE charge. In the example, 500 harnesses times $42 times 85% gives $17,850 variable, plus $2,200 NRE, for a $20,050 total.
What is the price per harness in this example? Total quote cost divided by lot size: $20,050 across 500 harnesses is $40.10 per unit. Note how the $2,200 NRE alone adds $4.40 per unit at this volume and far more at lower quantities.
What does margin realization mean in a harness quote? It is the share of your intended price you actually expect to capture after competitive negotiation. An 85% factor says you plan to land at 85% of the modeled variable value; a tighter market pushes it lower and squeezes the quote.
Why does the NRE make small quantities so expensive? Because the fixed $2,200 is spread across whatever lot size you quote. Over 500 units it is $4.40 each; over 50 units it becomes $44 each — which is why customers who want prototypes pay a steep per-unit premium.
Should NRE be quoted separately or rolled into unit price? Both approaches appear in practice. Rolling it in, as this tool does, gives a single per-harness price but hides the tooling cost; quoting NRE as a line item is cleaner for the customer and protects you if the volume falls short.

Last reviewed 2026-05-12.