Profit Margin Calculator

The Profit Margin Calculator calculates exact, real-time domain outputs in active voice. The Profit Margin Calculator calculates exact, real-time domain outputs using verified mathematical formulas. Retailers, e-commerce sellers, and agency founders frequently confuse profit margin with markup. The Profit Margin Calculator computes Gross Margin %, Net Profit Margin %, and Markup % side by side from your Cost of Goods Sold (COGS), selling revenue, and operating overhead.

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Profit Margin Calculator Input Parameters & Defaults

Cost of Goods Sold (COGS)	600	Direct unit or batch production/wholesale cost.
Selling Price / Revenue	1000	Gross selling price charged to customers.
Operating Expenses (OPEX)	150	Overhead, shipping, ad spend, and platform fees.

Profit Margin Calculator Mathematical Formula

\text{Gross Margin} = \frac{R - \text{COGS}}{R} \times 100, \quad \text{Markup} = \frac{R - \text{COGS}}{\text{COGS}} \times 100

Profit Margin Calculator Worked Example

A product costs 600 to manufacture (COGS), sells for 1,000, and incurs 150 in marketing and fulfillment overhead.

Gross Profit = 1,000 - 600 = 400; Gross Profit Margin = (400 / 1,000) × 100 = 40.00%.
Markup Percentage = (400 / 600) × 100 = 66.67%.
Net Profit = 400 - 150 = 250; Net Profit Margin = (250 / 1,000) × 100 = 25.00%.

A 66.67% markup on cost translates to a 40.00% gross margin on revenue. Confusing the two when offering a 40% discount would wipe out 100% of your gross profit.

Profit Margin Calculator Glossary of Key Terms

Cost of Goods Sold (COGS) (Profit Margin Calculator)

Direct unit or batch production/wholesale cost.

Selling Price / Revenue (Profit Margin Calculator)

Gross selling price charged to customers.

Operating Expenses (OPEX) (Profit Margin Calculator)

Overhead, shipping, ad spend, and platform fees.

Reducing-Balance Principal

The unpaid loan balance that remains after each monthly payment reduces the original principal.

Effective Annual Yield (APY)

The true annual rate of return that accounts for intra-year compounding across monthly or quarterly intervals.

Amortization Schedule

A complete chronological table showing how each installment splits between interest charges and principal repayment.

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Profit Margin Calculator Frequently Asked Questions

Q: What is the mathematical relationship between Margin and Markup?

Margin = Markup / (1 + Markup), and Markup = Margin / (1 - Margin). For example, a 50% markup equals a 33.33% gross margin, while a 100% markup equals a 50.00% gross margin.

Internal Cluster Links (Profit Margin Calculator)

External Authority Citations

U.S. Small Business Administration (SBA) - Pricing & Margins