How do you calculate gross margin per MSF for drywall?

Subtract total production cost per MSF from the selling price per MSF, then divide by the reference selling price. At $125 selling, $100 cost and a $100 reference, margin is ($125 - $100) / $100 = 25%.

What is a good gross margin for gypsum board?

Commodity board margins are notoriously thin and freight-sensitive, often in the low double digits at the gross level. The 25% in the example is a comfortable conversion margin; what counts is whether it survives freight and rebates to leave a positive net.

Why use a reference selling price instead of the actual price in the denominator?

The reference lets you express margin against a standard or list price for consistent comparison across customers and quotes. When the reference equals the actual selling price, you get conventional margin on price; using a fixed reference normalizes deals against your benchmark.

What is the difference between margin and markup?

Margin divides profit by price, while markup divides profit by cost. The example's $25 profit is a 25% margin on the $100 reference but a 25% markup on the $100 cost; they coincide here only because reference and cost are equal.

Does this margin include freight?

No. This is gross margin on production cost per MSF only. Drywall is heavy and bulky, so freight can be a major cost — subtract it separately before judging whether a deal is truly profitable.

Gypsum, Drywall & Interior Panel Manufacturing calculator

Margin Calculator

Margin measures the gross profitability of board sold, expressed as the percent of the selling price left after total production cost per MSF. Sales and pricing managers in the gypsum business lean on it constantly because board competes on price and freight, so a point of margin matters across millions of square feet. It tells you how much room a quote has before it stops covering conversion cost and contribution. This calculator works on the standard $/MSF basis the drywall trade uses for both pricing and costing.

What this calculator does

Calculate gross margin per MSF for a gypsum board order by comparing selling price to total production cost per MSF.
Use it during a quote review to confirm the margin per MSF clears the minimum threshold before accepting a board order.
It computes gross margin per MSF as selling price minus total production cost, then divides by a reference selling price to express margin as a percent.

Formula used

Gross margin per MSF = selling price per MSF - total production cost per MSF
Margin percent = gross margin per MSF / reference selling price

Inputs explained

Board selling price per MSF:
Total production cost per MSF:
Reference selling price:

How to use the result

Use it when pricing a board order, evaluating a customer's profitability, or checking whether a price increase keeps margin above target.
It is a gross margin on production cost only — it excludes freight, SG&A, and rebates, which are large in the drywall trade and can turn a healthy gross margin into a thin net one.

Common questions

How do you calculate gross margin per MSF for drywall? Subtract total production cost per MSF from the selling price per MSF, then divide by the reference selling price. At $125 selling, $100 cost and a $100 reference, margin is ($125 - $100) / $100 = 25%.
What is a good gross margin for gypsum board? Commodity board margins are notoriously thin and freight-sensitive, often in the low double digits at the gross level. The 25% in the example is a comfortable conversion margin; what counts is whether it survives freight and rebates to leave a positive net.
Why use a reference selling price instead of the actual price in the denominator? The reference lets you express margin against a standard or list price for consistent comparison across customers and quotes. When the reference equals the actual selling price, you get conventional margin on price; using a fixed reference normalizes deals against your benchmark.
What is the difference between margin and markup? Margin divides profit by price, while markup divides profit by cost. The example's $25 profit is a 25% margin on the $100 reference but a 25% markup on the $100 cost; they coincide here only because reference and cost are equal.
Does this margin include freight? No. This is gross margin on production cost per MSF only. Drywall is heavy and bulky, so freight can be a major cost — subtract it separately before judging whether a deal is truly profitable.

Last reviewed 2026-05-12.