Understand both percentage bases

Margin and markup guides with the denominator visible

Three guides explain the two percentage bases, target-price formula, and honest boundary of a gross-margin calculation.

Pricing foundations6 min read

Margin vs markup: the same profit on two different bases

Learn why margin divides profit by selling price while markup divides it by cost, with exact conversion formulas.

Target price6 min read

Use price = cost ÷ (1 − margin) and understand why adding the target percentage to cost produces a different result.

Calculation scope6 min read

Define the direct cost used by a simple margin calculation and keep taxes, overhead, fees, and recommendations outside the formula.