How do you calculate quote margin?

Subtract the fully burdened cost from the quoted price to get the dollar gap, then divide by the price basis. A $125 quote against a $100 cost with a $100 basis gives a $25 gap and a 25% margin.

What is a good quote margin on single-use assemblies?

It depends on volume and risk, but custom single-use assemblies typically need a healthy double-digit margin to cover rework, warranty reserve, and inspection overhead. The 25% in the example is a reasonable target for a moderate-risk custom build; commodity high-volume work runs thinner.

Is this gross margin or markup?

With the price basis set to the selling price it is gross margin. If you instead set the basis to cost, the same $25 gap over $100 reads as a 25% markup — margin and markup differ, so confirm which basis you are quoting on.

Why does the price basis matter?

Margin percent changes depending on whether you divide the dollar gap by selling price or by cost. Using selling price as the basis gives true margin; the example uses a $100 basis to yield a clean 25%, so always keep the basis consistent across quotes you compare.

What should the burdened cost include for a single-use assembly?

Components, aseptic assembly labor, gamma irradiation, lot release testing, plus an allocation for expected rework and warranty reserve. Leaving these out inflates the apparent margin and is the most common quoting error on single-use programs.

What does the margin dollar gap tell me?

The gap ($25 in the example) is the absolute dollars earned per assembly above burdened cost. On low-volume custom work a healthy percent can still be a small dollar gap, so check both the percent and the absolute contribution.

Single-Use Bioprocess Assemblies calculator

Quote Margin Calculator

Quote margin is the percent of a single-use bioprocess assembly's quoted price that remains after its fully burdened cost, and it is the number that decides whether a quote is worth winning. Sales engineers and estimators on single-use lines use it to check that every assembly quote clears the margin floor before it goes out, especially on custom, low-volume builds where component and irradiation costs move fast. Because these assemblies carry rework, warranty, and inspection overhead that generic markup math misses, quoting off a thin or stale margin quietly loses money on programs that look profitable on paper. This calculator makes the margin explicit and comparable across quotes.

What this calculator does

Estimate quote margin for single-use bioprocess assemblies using production-ready inputs so teams can measure the gap between available and required amounts.
Use it when quote margin in single-use bioprocess assemblies needs a clean margin number for a single-use bioprocess assemblies go / no-go review.
It computes the margin percent and dollar gap between the quoted selling price and the fully burdened cost of a single-use assembly, expressed against a chosen price basis.

Formula used

Quote margin amount gap = available quote margin amount - required quote margin amount
Quote margin = amount gap ÷ reference quote margin amount

Inputs explained

Quoted Selling Price per Assembly:
Fully Burdened Assembly Cost:
Selling Price Basis for Margin %:

How to use the result

Use it during quote preparation and quote review to confirm each assembly clears your minimum margin before the price is committed.
It is a single-point margin on the inputs you provide; if the burdened cost omits rework, warranty reserve, or freight, the margin will look healthier than the program actually delivers.

Current U.S. benchmarks

U.S. manufacturing runs at 75.6% of capacity with new factory orders at $657B per month (Federal Reserve and Census, May 2026).

Common questions

How do you calculate quote margin? Subtract the fully burdened cost from the quoted price to get the dollar gap, then divide by the price basis. A $125 quote against a $100 cost with a $100 basis gives a $25 gap and a 25% margin.
What is a good quote margin on single-use assemblies? It depends on volume and risk, but custom single-use assemblies typically need a healthy double-digit margin to cover rework, warranty reserve, and inspection overhead. The 25% in the example is a reasonable target for a moderate-risk custom build; commodity high-volume work runs thinner.
Is this gross margin or markup? With the price basis set to the selling price it is gross margin. If you instead set the basis to cost, the same $25 gap over $100 reads as a 25% markup — margin and markup differ, so confirm which basis you are quoting on.
Why does the price basis matter? Margin percent changes depending on whether you divide the dollar gap by selling price or by cost. Using selling price as the basis gives true margin; the example uses a $100 basis to yield a clean 25%, so always keep the basis consistent across quotes you compare.
What should the burdened cost include for a single-use assembly? Components, aseptic assembly labor, gamma irradiation, lot release testing, plus an allocation for expected rework and warranty reserve. Leaving these out inflates the apparent margin and is the most common quoting error on single-use programs.

Last reviewed 2026-05-12.