Why does the calculator block profit above the selling price?

Gross profit is part of the selling price, so a larger figure cannot come from the same sale. V1 returned margins above 100 percent silently; the impossible entry is blocked here.

What is the difference between margin and markup?

Margin divides profit by the selling price; markup divides profit by cost. A 40 percent margin on a 2,450 dollar kit is 980 profit; the same profit is a 66.7 percent markup on the 1,470 dollar cost.

Why is the gap positive when the margin is low?

The gap follows the V1 sign: target margin minus actual margin. A positive gap means the margin sits below the target and names the points to recover.

What belongs in the kit cost of goods?

Fixtures, fasteners and components packed in the kit, plus the labor and packaging that put it together. Selling, admin and freight sit outside gross margin and off this page.

Furniture, Fixtures & Interior Products calculator

Installation Kit Margin Calculator

Divide installation kit gross profit by the selling price to get the margin, then compare it with your target. The page also shows the kit cost of goods.

What this calculator does

Installation kit gross margin, the gap to your target, and the cost of goods behind the price.

Formula used

Installation kit margin = gross profit ÷ selling price × 100
Gap to target = target margin − installation kit margin (positive means below target)
Kit cost of goods = selling price − gross profit

Inputs explained

Installation Kit Gross Profit: Gross profit on the installation kit line, from the margin report.
Installation Kit Selling Price: Selling price of the kit on the same sale.
Target Margin: Margin target for installation kits, from the pricing policy.

How to use the result

Best suited to pricing an installation kit, checking a kit against a margin floor, reviewing margin after a cost change.
Gross margin ignores freight, installation labor and warranty costs on the kit. A healthy margin percent can still leave profit dollars too small to cover overhead.

Current U.S. benchmarks

The producer price index for lumber stands at 286.633 (BLS, Aug 2026), up 7.6% from a year earlier. Quotes priced off last quarter's material cost miss this move.
The U.S. has 14,378 furniture and related products establishments employing about 355,594 workers (Census County Business Patterns, 2023).

Common questions

Why does the calculator block profit above the selling price? Gross profit is part of the selling price, so a larger figure cannot come from the same sale. V1 returned margins above 100 percent silently; the impossible entry is blocked here.
What is the difference between margin and markup? Margin divides profit by the selling price; markup divides profit by cost. A 40 percent margin on a 2,450 dollar kit is 980 profit; the same profit is a 66.7 percent markup on the 1,470 dollar cost.
Why is the gap positive when the margin is low? The gap follows the V1 sign: target margin minus actual margin. A positive gap means the margin sits below the target and names the points to recover.
What belongs in the kit cost of goods? Fixtures, fasteners and components packed in the kit, plus the labor and packaging that put it together. Selling, admin and freight sit outside gross margin and off this page.

Last reviewed 2026-10-01.